[go: up one dir, main page]

FR2694894B1 - Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition. - Google Patents

Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.

Info

Publication number
FR2694894B1
FR2694894B1 FR9210173A FR9210173A FR2694894B1 FR 2694894 B1 FR2694894 B1 FR 2694894B1 FR 9210173 A FR9210173 A FR 9210173A FR 9210173 A FR9210173 A FR 9210173A FR 2694894 B1 FR2694894 B1 FR 2694894B1
Authority
FR
France
Prior art keywords
microparticles
polyamine
manufacture
composition
esterified polysaccharide
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
FR9210173A
Other languages
English (en)
Other versions
FR2694894A1 (fr
Inventor
Marie-Christine Levy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Beauty Care Solutions France SAS
Original Assignee
Coletica SA
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
Priority to FR9210173A priority Critical patent/FR2694894B1/fr
Application filed by Coletica SA filed Critical Coletica SA
Priority to PCT/FR1993/000792 priority patent/WO1994004261A1/fr
Priority to CA002142961A priority patent/CA2142961A1/fr
Priority to EP93917853A priority patent/EP0655946A1/fr
Priority to US08/387,776 priority patent/US5691060A/en
Priority to JP6505955A priority patent/JPH08509246A/ja
Priority to KR1019950700653A priority patent/KR950702868A/ko
Publication of FR2694894A1 publication Critical patent/FR2694894A1/fr
Application granted granted Critical
Publication of FR2694894B1 publication Critical patent/FR2694894B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/06Making microcapsules or microballoons by phase separation
    • B01J13/14Polymerisation; cross-linking
    • B01J13/16Interfacial polymerisation
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11Encapsulated compositions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1682Processes
    • A61K9/1694Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5036Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5052Proteins, e.g. albumin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5089Processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41Particular ingredients further characterized by their size
    • A61K2800/412Microsized, i.e. having sizes between 0.1 and 100 microns
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984Microcapsule with fluid core [includes liposome]
    • Y10T428/2985Solid-walled microcapsule from synthetic polymer

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Birds (AREA)
  • Food Science & Technology (AREA)
  • Nutrition Science (AREA)
  • Molecular Biology (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
FR9210173A 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition. Expired - Lifetime FR2694894B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9210173A FR2694894B1 (fr) 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.
CA002142961A CA2142961A1 (fr) 1992-08-20 1993-08-04 Utilisation d'une reaction de transacylation entre un polysaccharide esterifie et une substance polyaminee ou polyhydroxylee pour la production de microparticules; microparticulesainsi obtenues; methode de preparation et composition a base de ces microparticules
EP93917853A EP0655946A1 (fr) 1992-08-20 1993-08-04 Utilisation d'une reaction de transacylation entre un polysaccharide esterifie et une substance polyaminee ou polyhydroxylee pour la fabrication de microparticules, microparticules ainsi realisees, procedes et compositions en contenant
US08/387,776 US5691060A (en) 1992-08-20 1993-08-04 Utilization of a transacylation reaction between an esterified polysaccharide and a polyaminated or polyhydroxylated substance for fabricating microparticles, microparticles thus obtained, methods and compositions containing them
PCT/FR1993/000792 WO1994004261A1 (fr) 1992-08-20 1993-08-04 Utilisation d'une reaction de transacylation entre un polysaccharide esterifie et une substance polyaminee ou polyhydroxylee pour la fabrication de microparticules, microparticules ainsi realisees, procedes et compositions en contenant
JP6505955A JPH08509246A (ja) 1992-08-20 1993-08-04 エステル化した多糖類とポリアミン化またはポリヒドロキシル化した物質の間のトランスアシル化反応の微粒子製造への使用、そのようにして製造された微粒子、方法、およびそれを含有する組成物
KR1019950700653A KR950702868A (ko) 1992-08-20 1993-08-04 미세 입자 제조를 위한 에스테르화 다당류와 폴리아민에이트화 또는 폴리히드록실레이트화 물질 사이의 아실 교환 반응의 이용, 이를 통해 수득된 미세 입자, 이의 제조방법 및 이를 함유하는 조성물(utilization of a transacylation reaction between an esterified polysaccharide and a polyaminated or polyhydroxylated substance for fabricating microparticles, microparticles thus obtained, methods and compositions containing them)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9210173A FR2694894B1 (fr) 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.

Publications (2)

Publication Number Publication Date
FR2694894A1 FR2694894A1 (fr) 1994-02-25
FR2694894B1 true FR2694894B1 (fr) 1994-11-10

Family

ID=9432952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9210173A Expired - Lifetime FR2694894B1 (fr) 1992-08-20 1992-08-20 Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.

Country Status (7)

Country Link
US (1) US5691060A (fr)
EP (1) EP0655946A1 (fr)
JP (1) JPH08509246A (fr)
KR (1) KR950702868A (fr)
CA (1) CA2142961A1 (fr)
FR (1) FR2694894B1 (fr)
WO (1) WO1994004261A1 (fr)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5510418A (en) * 1988-11-21 1996-04-23 Collagen Corporation Glycosaminoglycan-synthetic polymer conjugates
US6090925A (en) 1993-03-09 2000-07-18 Epic Therapeutics, Inc. Macromolecular microparticles and methods of production and use
US5981719A (en) 1993-03-09 1999-11-09 Epic Therapeutics, Inc. Macromolecular microparticles and methods of production and use
DK103393D0 (da) * 1993-09-15 1993-09-15 Ferrosan As Praeparat
FR2740473B1 (fr) * 1995-10-25 1998-01-16 Coletica Particules a polysaccharide esterifie et polyamine
DE19611769A1 (de) * 1996-03-14 1997-09-18 Schering Ag Mikropartikel, Verfahren zu deren Herstellung, sowie deren Verwendung in der Ultraschall Diagnostik
US6333047B1 (en) * 1997-05-09 2001-12-25 Daiichi Kasei Co., Ltd. Molded capsule superior in strength and stability and method for preparing same
US6150505A (en) 1997-09-19 2000-11-21 Hadasit Medical Research Services & Development Ltd. Fibrin microbeads prepared from fibrinogen, thrombin and factor XIII
US6685965B1 (en) * 1997-10-22 2004-02-03 Industria E Comercio De Cosmeticos Natura Ltda. Process for stabilizing levogyre ascorbic acid (laa), a stable aqueous laa composition, a process for preparing a stable topical solution, an emulsion, a vitamin product, and a method for cosmetic, pharmaceutical or nutritional treatment
CN1157175C (zh) 1998-09-22 2004-07-14 宝洁公司 含有与水不溶性底物链接的活性蛋白质的个人护理组合物
US6303119B1 (en) 1999-09-22 2001-10-16 The Procter & Gamble Company Personal care compositions containing subtilisin enzymes bound to water insoluble substrates
US7758888B2 (en) 2000-04-21 2010-07-20 Sol-Gel Technologies Ltd. Composition exhibiting enhanced formulation stability and delivery of topical active ingredients
US20040126900A1 (en) * 2001-04-13 2004-07-01 Barry Stephen E High affinity peptide- containing nanoparticles
GB0208261D0 (en) * 2002-04-10 2002-05-22 Dow Corning An atmospheric pressure plasma assembly
EP1371410A1 (fr) * 2002-06-14 2003-12-17 NIZO food research Coacérvates complexes contenant de protéines au petit-lait
KR100517072B1 (ko) * 2002-11-25 2005-09-26 주식회사 태평양 폴리올/고분자 마이크로캡슐 및 이를 이용한 효소 안정화방법
CN1747784A (zh) * 2002-12-18 2006-03-15 荷兰联合利华有限公司 包含亲脂性核的复合凝聚层胶囊
FR2848847B1 (fr) * 2002-12-18 2005-10-14 Coletica Composition cosmetique ou dermopharmaceutique comprenant une enzyme insoluble en milieu aqueux, ainsi que ses utilisations
WO2004081222A2 (fr) 2003-03-14 2004-09-23 Sol-Gel Technologies Ltd. Microparticules et nanoparticules d'encapsulation d'agents, procedes de preparation de celles-ci, et produits contenant celles-ci
CA2533406C (fr) 2003-07-31 2013-01-22 Sol-Gel Technologies Ltd. Microcapsules chargees d'ingredients actifs et procede de preparation
US7842382B2 (en) 2004-03-11 2010-11-30 Knauf Insulation Gmbh Binder compositions and associated methods
US8603631B2 (en) 2004-10-13 2013-12-10 Knauf Insulation Gmbh Polyester binding compositions
PL2574640T3 (pl) 2005-07-26 2023-05-29 Knauf Insulation Gmbh Spoiwa i materiały z nich wykonane
EP2431089A1 (fr) * 2005-08-02 2012-03-21 Sol-Gel Technologies Ltd. Revêtement d'oxyde métallique d'ingrédients insolubles dans l'eau
US8501838B2 (en) 2007-01-25 2013-08-06 Knauf Insulation Sprl Composite wood board
CN101668713B (zh) 2007-01-25 2012-11-07 可耐福保温材料有限公司 矿物纤维板
PT2108006T (pt) 2007-01-25 2020-12-21 Knauf Insulation Gmbh Ligantes e materiais feitos com os mesmos
BRPI0721233A2 (pt) 2007-01-25 2013-01-01 Knauf Insulation Ltd produto isolante de fibra mineral sem formaldeìdo
US20100047357A1 (en) 2007-02-01 2010-02-25 Sol-Gel Technologies Ltd. Compositions for topical application comprising a peroxide and retinoid
MX352876B (es) 2007-02-01 2017-12-13 Sol Gel Tech Ltd Metodo para preparar particulas que comprenden recubrimiento de oxido de metal y particulas con recubrimiento de oxido de metal.
WO2008127936A2 (fr) 2007-04-13 2008-10-23 Knauf Insulation Gmbh Liants de maillard-résole composites
GB0715100D0 (en) 2007-08-03 2007-09-12 Knauf Insulation Ltd Binders
US9763861B2 (en) 2008-12-04 2017-09-19 International Flavors & Fragrances Inc. Stable, flowable silica capsule formulation
US11458105B2 (en) 2008-12-04 2022-10-04 International Flavors & Fragrances Inc. Hybrid fragrance encapsulate formulation and method for using the same
CA2770396A1 (fr) 2009-08-07 2011-02-10 Knauf Insulation Liant a base de melasse
PH12012502183A1 (en) 2010-05-07 2017-06-23 Knauf Insulation Carbohydrate polyamine binders and materials made therewith
MX339649B (es) 2010-05-07 2016-06-02 Knauf Insulation * Aglutinantes de carbohidrato y materiales hechos con los mismos.
US20130082205A1 (en) 2010-06-07 2013-04-04 Knauf Insulation Sprl Fiber products having temperature control additives
MX369325B (es) 2011-03-18 2019-11-05 Int Flavors & Fragrances Inc Microcapsulas producidas a partir de precursores de sol-gel mezclados y metodos para producir las mismas.
WO2012152731A1 (fr) 2011-05-07 2012-11-15 Knauf Insulation Composition liquide de liant à teneur élevée en matières solides
GB201206193D0 (en) 2012-04-05 2012-05-23 Knauf Insulation Ltd Binders and associated products
GB201214734D0 (en) 2012-08-17 2012-10-03 Knauf Insulation Ltd Wood board and process for its production
US9687465B2 (en) 2012-11-27 2017-06-27 Sol-Gel Technologies Ltd. Compositions for the treatment of rosacea
ES2921601T3 (es) 2012-12-05 2022-08-30 Knauf Insulation Sprl Aglutinante
CA2938154C (fr) 2014-02-07 2022-11-01 Knauf Insulation, Inc. Articles non durcis dotes d'une meilleure duree de conservation
GB201408909D0 (en) 2014-05-20 2014-07-02 Knauf Insulation Ltd Binders
GB201517867D0 (en) 2015-10-09 2015-11-25 Knauf Insulation Ltd Wood particle boards
GB201610063D0 (en) 2016-06-09 2016-07-27 Knauf Insulation Ltd Binders
GB201701569D0 (en) 2017-01-31 2017-03-15 Knauf Insulation Ltd Improved binder compositions and uses thereof
GB201804908D0 (en) 2018-03-27 2018-05-09 Knauf Insulation Ltd Binder compositions and uses thereof
GB201804907D0 (en) 2018-03-27 2018-05-09 Knauf Insulation Ltd Composite products
CN112770713B (zh) 2019-01-11 2024-05-28 恩盖普有限公司 将壳聚糖并入微胶囊壁中
CN114831307A (zh) * 2022-03-07 2022-08-02 北京市农林科学院信息技术研究中心 一种包埋生物活性物质的纳米颗粒的制备方法及其应用
CN118806729A (zh) * 2024-06-18 2024-10-22 海南合瑞制药股份有限公司 美沙拉秦肠溶缓释微丸及其制备方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB768309A (en) * 1954-03-27 1957-02-13 Henkel & Cie Gmbh Process for the production of amides of alginic acid
NL273693A (fr) * 1961-01-18
GB1135856A (en) * 1966-09-08 1968-12-04 Alginate Ind Ltd A method of modifying alkylene glycol alginates
US4187194A (en) * 1972-01-03 1980-02-05 Xerox Corporation Encapsulation process
US3833744A (en) * 1972-08-24 1974-09-03 Gen Mills Inc Texturizing materials for foods
US4217370A (en) * 1977-08-25 1980-08-12 Blue Wing Corporation Lipid-containing feed supplements and foodstuffs
IL58965A (en) * 1978-12-19 1982-08-31 Mars Inc Production of microcapsules
US4497793A (en) * 1980-08-11 1985-02-05 Pennwalt Corporation Microencapsulated naturally occuring pyrethrins
FR2527438B1 (fr) * 1982-05-26 1985-08-09 Centre Nat Rech Scient Microcapsules a paroi constituee par des polyholosides reticules et leur procede de preparation
IL72787A (en) * 1983-09-01 1987-12-31 Damon Biotech Inc Polyionic microencapsulation of viable cells
DE3686275T2 (de) * 1985-01-11 1993-03-18 Teijin Ltd Praeparate mit verzoegerter freisetzung.
JPS62100534A (ja) * 1985-10-28 1987-05-11 Fuji Boseki Kk 超微小球状キチンの製造方法
FR2608456B1 (fr) * 1986-12-18 1993-06-18 Mero Rousselot Satia Microcapsules a base de gelatine et de polysaccharides et leur procede d'obtention
KR930006431B1 (ko) * 1990-10-11 1993-07-16 재단법인 한국화학연구소 약물의 미세캡슐화 방법
US5227274A (en) * 1990-12-06 1993-07-13 Fuji Photo Film Co., Ltd. Process for preparation of light-sensitive material containing microcapsules

Also Published As

Publication number Publication date
KR950702868A (ko) 1995-08-23
US5691060A (en) 1997-11-25
EP0655946A1 (fr) 1995-06-07
CA2142961A1 (fr) 1994-03-03
JPH08509246A (ja) 1996-10-01
WO1994004261A1 (fr) 1994-03-03
FR2694894A1 (fr) 1994-02-25

Similar Documents

Publication Publication Date Title
FR2694894B1 (fr) Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.
EP0664304A3 (fr) Catalyseur et procédé pour la polymérisation d'oléfines.
DZ2051A1 (fr) Catalyseur et procédé de préparation d'hydrocarbures.
ZA887889B (en) Process for the manufacture of 1,1,1-trifluorodichloroethylene and 1,1,1,2-tetrafluorochloroethylene
FR2519878B1 (fr) Produit chimique pour l'agriculture, microencapsule et sa preparation
FR2701408B1 (fr) Composition et procédé d'antimottage pour engrais.
FR2698372B1 (fr) Procédé d'élimination de mercure et éventuellement d'arsenic dans des hydrocarbures.
DZ1758A1 (fr) Procédé pour la préparation d'aryl-piperidine carbinols.
BR8706438A (pt) Processo para a preparacao de silicio a partir da reducao de dioxido de silicio com um agente redutor carbonaceo solido,e processo para a preparacao de carboneto de silicio a partir da reacao de dioxido de silicio e agente redutor carbonaceo solido
FR2569702B1 (fr) Nouvelle 4'-deschlororebeccamycine, composition pharmaceutique la contenant et procede pour sa preparation
GB2271990B (en) Process for the preparation of L-5-(2-acetoxy-propionylamino)--2,4,6-triiodo-isophthalic acid dichloride
EP0657438A3 (fr) Procédé pour la préparation d'alkylesulfinylbenzamides et de 1,2-benzoisothiazol-3-ones.
FR2720070B1 (fr) Procédé de préparation d'alkylpolysiloxanes pontés et alkylpolysiloxanes pontés.
DE3760473D1 (en) Process for the manufacture of 2,2-dimethylpropan-1,3-diol
FR2721598B1 (fr) Procédé de préparation de catalyseurs d'ammoxydation.
AU3318284A (en) Element accessoire pour poussoir, d'articles tels que boucles,fermoirs et moraillons
EP0237735A3 (en) 3,7-disubstituted-3-cephem compounds and process for production of the same
FR2694211B1 (fr) Procédé d'élimination de catalyseur.
FR2708266B1 (fr) Procédé de préparation d'alcanesulfonamides.
FR2693473B1 (fr) Procédé de préparation enzymatique d'hydrolysats de matières protéiques.
EP0729938A3 (fr) Procédé pour la préparation d'aryle-alkyle-hydropéroxydes
FR2707632B1 (fr) Procédé pour la préparation d'acide adipique ou d'acide pentenoïque.
IT8720802A0 (it) Impianto per la miscelazione e l'attivazione di polimeri.
AU7771487A (en) Process for preventing corrosion and embodiments thereof
FR2695391B1 (fr) Glycopeptides, leur procédé d'obtention, et leurs applications biologiques.

Legal Events

Date Code Title Description
CD Change of name or company name