[go: up one dir, main page]

BR9706469A - Dispersante de cimento, processo para produção de ácido policarboxìlico para dispersante de cimento e composição de cimento - Google Patents

Dispersante de cimento, processo para produção de ácido policarboxìlico para dispersante de cimento e composição de cimento

Info

Publication number
BR9706469A
BR9706469A BR9706469-6A BR9706469A BR9706469A BR 9706469 A BR9706469 A BR 9706469A BR 9706469 A BR9706469 A BR 9706469A BR 9706469 A BR9706469 A BR 9706469A
Authority
BR
Brazil
Prior art keywords
cement
cement dispersant
polycarboxylic acid
dispersant
production
Prior art date
Application number
BR9706469-6A
Other languages
English (en)
Inventor
Tsuyoshi Hirata
Tsutomu Yuasa
Katsuhisa Shiote
Koichiro Nagare
Syogo Iwai
Original Assignee
Nippon Catalytic Chem Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18395436&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9706469(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Publication of BR9706469A publication Critical patent/BR9706469A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2664—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of ethylenically unsaturated dicarboxylic acid polymers, e.g. maleic anhydride copolymers
    • C04B24/267—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of ethylenically unsaturated dicarboxylic acid polymers, e.g. maleic anhydride copolymers containing polyether side chains
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2641—Polyacrylates; Polymethacrylates
    • C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/062—Polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
    • C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
    • C08G65/2609—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
    • C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
    • C08G65/3322—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof acyclic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/302—Water reducers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/40—Surface-active agents, dispersants
    • C04B2103/408—Dispersants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/932—Thickener or dispersant for aqueous system

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Patente de Invenção: <B>"DISPERSANTE DE CIMENTO, PROCESSO PARA A PRODUçãO DE áCIDO POLICARBOXìLICO PARA DISPERSANTE DE CIMENTO E COMPOSIçãO DE CIMENTO"<D>. A presente invenção proporciona um processo para a produção de um dispersante de cimento tendo elevada percentagem na taxa de redução de água e propriedade de entrada de ar adequada. Esse processo para a produção de um ácido policarboxílico para um dispersante de cimento é caracterizado pelo fato de um óxido de alquileno ser adicionado em uma faixa específica da temperatura.
BR9706469-6A 1996-12-26 1997-12-26 Dispersante de cimento, processo para produção de ácido policarboxìlico para dispersante de cimento e composição de cimento BR9706469A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34820196 1996-12-26

Publications (1)

Publication Number Publication Date
BR9706469A true BR9706469A (pt) 1999-10-19

Family

ID=18395436

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9706469-6A BR9706469A (pt) 1996-12-26 1997-12-26 Dispersante de cimento, processo para produção de ácido policarboxìlico para dispersante de cimento e composição de cimento

Country Status (6)

Country Link
US (2) US6174980B1 (pt)
EP (3) EP0850895B1 (pt)
KR (1) KR100311620B1 (pt)
CN (1) CN1081615C (pt)
BR (1) BR9706469A (pt)
DE (1) DE69708256T2 (pt)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6087418A (en) * 1998-01-22 2000-07-11 Nippon Shokubai Co., Ltd. Cement admixture and cement composition
KR100552922B1 (ko) * 1998-03-03 2006-02-22 다케모토 유시 가부시키 가이샤 시멘트용 분산제 및 그를 이용한 콘크리트의 조제방법
US6642422B2 (en) 1998-06-17 2003-11-04 Nof Corporation Polyoxyalkylene monoalkyl ether, process for producing the same, polymerizable polyoxyalkylene monoalky ether derivative, polymer of said derivative and dispersant comprising said polymer
US6437027B1 (en) * 1998-11-30 2002-08-20 Taiheiyo Cement Corporation Process for producing dispersant for powdery hydraulic composition
JP4394765B2 (ja) * 1999-02-15 2010-01-06 Ｂａｓｆポゾリス株式会社 セメント添加剤
US6133347A (en) * 1999-07-09 2000-10-17 Mbt Holding Ag Oligomeric dispersant
US6861459B2 (en) * 1999-07-09 2005-03-01 Construction Research & Technology Gmbh Oligomeric dispersant
US6908955B2 (en) * 1999-07-09 2005-06-21 Construction Research & Technology Gmbh Oligomeric dispersant
US6454004B2 (en) 1999-07-15 2002-09-24 Halliburton Energy Services, Inc. Cementing casing strings in deep water offshore wells
ES2396046T3 (es) * 1999-08-23 2013-02-18 Kao Corporation Procedimiento de producción de polímeros (met) acrílicos
MY135684A (en) 1999-11-29 2008-06-30 Nippon Catalytic Chem Ind Copolymer for cement admixtures and its production process and use
KR100341965B1 (ko) * 2000-03-28 2002-06-26 손진익 고분자 중합체로된 시멘트 유동화제
EP1138696A1 (en) * 2000-03-29 2001-10-04 Sika AG, vorm. Kaspar Winkler &amp; Co. Polymers for cement dispersing admixtures
CN1109004C (zh) * 2000-04-04 2003-05-21 北京市建筑材料科学研究院 聚羧酸系引气高效混凝土减水剂
CN100545119C (zh) * 2000-08-11 2009-09-30 株式会社日本触媒 水泥掺合料和水泥组合物
JP4066126B2 (ja) 2000-12-06 2008-03-26 株式会社日本触媒 ポリアルキレングリコール系単量体の貯蔵及び／又は移送方法
WO2002053611A1 (fr) * 2000-12-27 2002-07-11 Nippon Shokubai Co., Ltd. Copolymere du type acide polycarboxylique, procede de production et utilisation de ce copolymere
US6762325B2 (en) * 2001-05-16 2004-07-13 Nippon Shokubai Co., Ltd. Method for production of alkoxylated compound
KR100771024B1 (ko) * 2001-05-28 2007-10-29 가부시키가이샤 닛폰 쇼쿠바이 시멘트 첨가혼합물 및 시멘트 조성물
US6911494B2 (en) * 2001-09-28 2005-06-28 Nippon Shokubai Co., Ltd. Cement admixture and cement composition
US6946505B2 (en) * 2001-10-17 2005-09-20 Nippon Shokubai Co., Ltd. Cement dispersant, its production process, and cement composition using the cement dispersant
US7247662B2 (en) 2001-10-07 2007-07-24 Nippon Shokubai Co., Ltd. Cement dispersant, its production process, and cement composition using the cement dispersant
JP2003300766A (ja) * 2002-02-06 2003-10-21 Nippon Shokubai Co Ltd コンクリート組成物、コンクリート組成物の製造方法及びセメント混和剤
JP5084102B2 (ja) * 2002-05-21 2012-11-28 株式会社日本触媒 アルキレンオキサイド付加物とその誘導体の製造方法
US20030230407A1 (en) * 2002-06-13 2003-12-18 Vijn Jan Pieter Cementing subterranean zones using cement compositions containing biodegradable dispersants
KR100524383B1 (ko) * 2002-07-22 2005-11-01 한국산노프코 주식회사 시멘트 및 콘크리트 혼화제(분산제)
KR20040009222A (ko) * 2002-07-22 2004-01-31 한국산노프코 주식회사 시멘트 및 콘크리트용 혼화제(분산제)
US6591910B1 (en) 2003-01-29 2003-07-15 Halliburton Energy Services, Inc. Methods and compositions for cementing subterranean zones
CN100542989C (zh) * 2003-03-05 2009-09-23 株式会社日本触媒 水泥外加剂、水泥组合物及其铺设方法和生产水泥硬化产品的方法
EP1620371A1 (en) * 2003-04-08 2006-02-01 Nippon Shokubai Co., Ltd. Cement admixture and cement composition
EP1466930A3 (en) * 2003-04-10 2006-07-19 Nippon Shokubai Co., Ltd. Polycarboxylic acid cement dispersant and method for producing concrete secondary product
FR2853646B1 (fr) * 2003-04-11 2007-07-06 Chryso Sas Utilisation de dispersants pour ameliorer le maintien de fluidite de beton
US6869998B2 (en) * 2003-06-23 2005-03-22 Geo Specialty Chemicals, Inc. Concrete or cement dispersant and method of use
DE10330747A1 (de) 2003-07-07 2005-04-14 Basf Ag Alkoxylierte Diallylaminderivate enthaltende wasserlösliche oder in Wasser dispergierbare Polymerisate
CN100450958C (zh) * 2003-11-05 2009-01-14 株式会社日本触媒 水泥外加剂
WO2006033464A1 (en) * 2004-09-24 2006-03-30 Nippon Shokubai Co., Ltd. Dispersant using kraft lignin and novel lignin derivative
JP5113988B2 (ja) * 2005-03-31 2013-01-09 株式会社日本触媒 セメント混和剤用ポリカルボン酸系ポリマー
MX280211B (es) * 2005-09-26 2010-10-22 Nippon Catalytic Chem Ind Polimero, un metodo para producir el polimero y una mezcla de cemento que utiliza el mismo.
CN100526248C (zh) * 2006-04-30 2009-08-12 江苏博特新材料有限公司 减缩、抗裂型接枝共聚物混凝土超塑化剂及其制备方法
CN100457796C (zh) * 2006-10-11 2009-02-04 重庆大学 聚羧酸系超塑化剂及其制备方法
WO2008126909A1 (en) 2007-04-05 2008-10-23 Nippon Shokubai Co., Ltd. Production method of unsaturated (poly)alkylene glycol ether monomer and production method of (poly)alkylene glycol chain-containing polymer
JP4531799B2 (ja) * 2007-10-19 2010-08-25 コンストラクション リサーチ アンド テクノロジー ゲーエムベーハー セメント添加剤
JP4975714B2 (ja) * 2007-11-28 2012-07-11 ローム アンド ハース カンパニー ポリマーの製造法
EP2090596A1 (de) * 2008-02-13 2009-08-19 Construction Research and Technology GmbH Copolymer mit Polyetherseitenketten und Hydroxyalkyl- und Säurebausteinen
US8592040B2 (en) 2008-09-05 2013-11-26 Basf Se Polymer emulsion coating or binding formulations and methods of making and using same
WO2010062958A1 (en) * 2008-11-26 2010-06-03 Elevance Renewable Sciences, Inc. Methods of producing jet fuel from natural oil feedstocks through metathesis reactions
WO2010062932A1 (en) * 2008-11-26 2010-06-03 Elevance Renewable Sciences, Inc. Methods of producing jet fuel from natural oil feedstocks through oxygen-cleaved reactions
BR112012003259B1 (pt) * 2009-08-12 2020-11-17 Nippon Shokubai Co., Ltd. composição de polímero para dispersante de cimento e método para produção da mesma
CA3035015C (en) * 2009-10-12 2021-03-16 Elevance Renewable Sciences, Inc. Methods of refining and producing fuel from natural oil feedstocks
US9051519B2 (en) 2009-10-12 2015-06-09 Elevance Renewable Sciences, Inc. Diene-selective hydrogenation of metathesis derived olefins and unsaturated esters
US9382502B2 (en) 2009-10-12 2016-07-05 Elevance Renewable Sciences, Inc. Methods of refining and producing isomerized fatty acid esters and fatty acids from natural oil feedstocks
US9169447B2 (en) 2009-10-12 2015-10-27 Elevance Renewable Sciences, Inc. Methods of refining natural oils, and methods of producing fuel compositions
US9000246B2 (en) 2009-10-12 2015-04-07 Elevance Renewable Sciences, Inc. Methods of refining and producing dibasic esters and acids from natural oil feedstocks
US8735640B2 (en) 2009-10-12 2014-05-27 Elevance Renewable Sciences, Inc. Methods of refining and producing fuel and specialty chemicals from natural oil feedstocks
US9365487B2 (en) 2009-10-12 2016-06-14 Elevance Renewable Sciences, Inc. Methods of refining and producing dibasic esters and acids from natural oil feedstocks
US9175231B2 (en) 2009-10-12 2015-11-03 Elevance Renewable Sciences, Inc. Methods of refining natural oils and methods of producing fuel compositions
US9222056B2 (en) 2009-10-12 2015-12-29 Elevance Renewable Sciences, Inc. Methods of refining natural oils, and methods of producing fuel compositions
WO2011117169A1 (en) 2010-03-23 2011-09-29 Basf Se Paper coating or binding formulations and methods of making and using same
EP2468696A1 (de) 2010-12-24 2012-06-27 Sika Technology AG Polymer aus Maleinsäure, Allylether und Vinylacetat, dessen Herstellung und Verwendung
US9102848B2 (en) 2011-02-28 2015-08-11 Basf Se Environmentally friendly, polymer dispersion-based coating formulations and methods of preparing and using same
EP2522680B1 (de) 2011-05-10 2013-08-07 Sika Technology AG Polymer aus Maleinsäure, Allylether und (Meth-)Acrylsäureverbindungen, dessen Herstellung und Verwendung
EP2574636B1 (de) * 2011-09-30 2014-04-16 BASF Construction Solutions GmbH Schnell suspendierbare pulverförmige Zusammensetzung
US9169174B2 (en) 2011-12-22 2015-10-27 Elevance Renewable Sciences, Inc. Methods for suppressing isomerization of olefin metathesis products
US9139493B2 (en) 2011-12-22 2015-09-22 Elevance Renewable Sciences, Inc. Methods for suppressing isomerization of olefin metathesis products
US9133416B2 (en) 2011-12-22 2015-09-15 Elevance Renewable Sciences, Inc. Methods for suppressing isomerization of olefin metathesis products
KR102075654B1 (ko) * 2012-05-04 2020-02-18 지씨피 어플라이드 테크놀로지스 인크. 점토 및 점토-보유 골재의 처리 방법 및 그를 위한 조성물
JP5955386B2 (ja) * 2012-07-13 2016-07-20 株式会社日本触媒 ポリカルボン酸系共重合体、セメント分散剤、セメント混和剤及びセメント組成物
US9388098B2 (en) 2012-10-09 2016-07-12 Elevance Renewable Sciences, Inc. Methods of making high-weight esters, acids, and derivatives thereof
KR101534771B1 (ko) * 2013-05-29 2015-07-10 주식회사 실크로드시앤티 시멘트 혼화제 제조용 모노머 및 이의 제조 방법
EP2873657A1 (en) 2013-11-13 2015-05-20 Huntsman Petrochemical LLC Admixture composition to improve strength of cement cured products
US10961152B2 (en) 2016-10-12 2021-03-30 Construction Research & Technology Gmbh Copolymers suitable for plasticizing inorganic binder systems

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL251563A (pt) * 1959-05-15
GB1411843A (en) * 1973-02-28 1975-10-29 Univ Strathclyde Method of modifying the properties of a polymer
US3880765A (en) * 1973-11-12 1975-04-29 Nalco Chemical Co Waterflood process using alkoxylated low molecular weight acrylic acid polymers as scale inhibitors
EP0056627B1 (en) 1981-01-16 1984-10-03 Nippon Shokubai Kagaku Kogyo Co., Ltd Copolymer and method for manufacture thereof
JPS5950693B2 (ja) * 1982-05-10 1984-12-10 森六株式会社 吸水性樹脂の製造方法
US5079288A (en) * 1984-11-12 1992-01-07 Imperial Chemical Industries Plc Oral hygiene compositions and polymers active therein
US4975121A (en) 1988-07-15 1990-12-04 Fujisawa Pharmaceutical Co., Ltd. Durability improving agent for cement-hydraulic-set substances, method of improving same, and cement-hydraulic-set substances improved in durability
JP2676854B2 (ja) 1988-12-16 1997-11-17 日本油脂株式会社 ポリオキシアルキレン不飽和エーテルーマレイン酸エステル共重合体およびその用途
CA2037058C (en) 1989-07-25 1997-02-04 Hideyuki Tahara Cement additive, method for producing the same, and cement composition
JPH08165156A (ja) 1993-02-16 1996-06-25 Toho Chem Ind Co Ltd セメント分散剤組成物
JPH07126053A (ja) * 1993-02-16 1995-05-16 Toho Chem Ind Co Ltd セメント分散剤組成物
JP2774445B2 (ja) 1993-12-14 1998-07-09 花王株式会社 コンクリート混和剤
CN1053171C (zh) 1994-02-22 2000-06-07 花王株式会社 水凝性组合物及其制造方法
DE19513126A1 (de) * 1995-04-07 1996-10-10 Sueddeutsche Kalkstickstoff Copolymere auf Basis von Oxyalkylenglykol-Alkenylethern und ungesättigten Dicarbonsäure-Derivaten
US5614017A (en) 1996-03-26 1997-03-25 Arco Chemical Technology, L.P. Cement additives

Also Published As

Publication number Publication date
EP2256097A3 (en) 2011-03-16
DE69708256D1 (de) 2001-12-20
CN1189473A (zh) 1998-08-05
EP0850895B1 (en) 2001-11-14
EP2256097B1 (en) 2013-11-20
CN1081615C (zh) 2002-03-27
KR19980064528A (ko) 1998-10-07
EP1118598A2 (en) 2001-07-25
EP2256097A2 (en) 2010-12-01
EP0850895A1 (en) 1998-07-01
US6388038B1 (en) 2002-05-14
EP1118598A3 (en) 2004-05-12
DE69708256T2 (de) 2002-08-14
KR100311620B1 (ko) 2002-11-27
US6174980B1 (en) 2001-01-16

Similar Documents

Publication Publication Date Title
BR9706469A (pt) Dispersante de cimento, processo para produção de ácido policarboxìlico para dispersante de cimento e composição de cimento
BR9906287A (pt) Bactéria pertencente ao gênero escherichia e que tem uma capacidade para produzir um l-aminoácido, e, processo para produzir um l-aminoácido
DK336185A (da) Hydraulisk cement
PE39096A1 (es) Compuesto moldeable no desprendible y bombeable, y metodo de aplicacion del mismo
BR9910482A (pt) Catalisadores mistos e seus usos em um processo de polimerização
BRPI0416168A (pt) processo em contracorrente em estágio contìnuo de oxidação catalìtica, mistura de produto e composição
ES546040A0 (es) Un procedimiento para producir 1a,25-dihidroxi-26,27-dime- tilcolecalciferol
CO4970688A1 (es) Procedimientos para purificar mesilato de alatrofloxacino
BR0314216A (pt) Processo para a produção de uma composição combustìvel
ATE150741T1 (de) Magnesia-kohlenstoff-ziegel enthaltend neuartigen graphit
ES2134047T3 (es) Cemento de fraguado rapido conteniendo clinker basado en fluoroaluminato de calcio mezclado con cal.
ATE93825T1 (de) Mischung zur herstellung einer laermschutzmasse fuer gleisanlagen.
TR26593A (tr) HIDROFIL DURUM GETIRILMIS TRIGLISERID&#39;LERIN üRETILMESINE MAHSUS USUL.
AU6141494A (en) Hydroxymethyl furazane carboxylic acid derivatives and theiruse in the treatment of cardio-vascular conditions
PT924165E (pt) Processo para preparacao de sulfureto de sodio anidro
ES2052807T3 (es) Tienil-piperazinonas, su obtencion y empleo.
BR9713570A (pt) Formulações e formas polimórficas de desferrioxamina e a sua preparação.
BR9913401A (pt) Processo para a preparação de 2hidróxi-6-trifluorometilpiridina
BR9610516A (pt) Processo para a preparação de sulfeto de manganês
BR9712408A (pt) Método e agente para dessulfurização
BR9407232A (pt) Compostos de tiocarbamoíla
DE59001816D1 (de) Glycerinaminocarboxylate, ihre herstellung und verwendung.
BR0211135A (pt) Processo para a preparação da 4-metilamino-4-fenilpiperidina
BR9405322A (pt) Processo de tratamento de escórias de alto forno para aditivaçao aos cimentos tipo portland
BR9909443A (pt) Grânulos poliméricos livres de vacúolos

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/12/1997, OBSERVADAS AS CONDICOES LEGAIS.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 15A, 16A, 17A, 18A, 19A E 20A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.