ES2045038T5 - Soluciones y dispersiones acuosas de productos de poliadicion de poliisocianato, un procedimiento para la obtencion de las soluciones y dispersiones acuosas asi como su empleo como adhesivo. - Google Patents
Soluciones y dispersiones acuosas de productos de poliadicion de poliisocianato, un procedimiento para la obtencion de las soluciones y dispersiones acuosas asi como su empleo como adhesivo.Info
- Publication number
- ES2045038T5 ES2045038T5 ES88112920T ES88112920T ES2045038T5 ES 2045038 T5 ES2045038 T5 ES 2045038T5 ES 88112920 T ES88112920 T ES 88112920T ES 88112920 T ES88112920 T ES 88112920T ES 2045038 T5 ES2045038 T5 ES 2045038T5
- Authority
- ES
- Spain
- Prior art keywords
- dispersions
- aqueous solutions
- polyisocyanate
- adhesive
- well
- 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
Links
Classifications
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/285—Nitrogen containing compounds
- C08G18/2865—Compounds having only one primary or secondary amino group; Ammonia
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/2815—Monohydroxy compounds
- C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/83—Chemically modified polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
-
- 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
- C08G2170/00—Compositions for adhesives
- C08G2170/80—Compositions for aqueous adhesives
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
SOLUCIONES ACUOSAS O DISPERSIONES DE PRODUCTOS DE POLIADICION DE POLIISOCIANATOS CON UN CONTENIDO DE 2 A 200 MILIEQUIVALENTES POR 100 GRAMOS DE SOLIDO DE GRUPOS CARBOXILATO Y/O SULFONATO INCORPORADOS QUIMICAMENTE, ASI COMO DE 0 A 25% DEL PESO REFERIDO AL SOLIDO, DE CADENAS DE POLIETER INCORPORADAS, ORDENADAS EN LOS EXTREMOS O EN LOS LADOS, PARA CUYA PRODUCCION SE UTILIZAN COMPUESTOS DE MONOAMINA PRIMARIOS O SECUNDARIOS; UN PROCESO PARA SU FABRICACION Y SU USO COMO ADHESIVO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873728140 DE3728140A1 (de) | 1987-08-22 | 1987-08-22 | Waessrige loesungen oder dispersionen von polyisocyanat-polyadditionsprodukten, ein verfahren zur herstellung der waessrigen loesungen oder dispersionen sowie ihre verwendung als klebstoff |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2045038T3 ES2045038T3 (es) | 1994-01-16 |
ES2045038T5 true ES2045038T5 (es) | 1998-08-16 |
Family
ID=6334338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES88112920T Expired - Lifetime ES2045038T5 (es) | 1987-08-22 | 1988-08-09 | Soluciones y dispersiones acuosas de productos de poliadicion de poliisocianato, un procedimiento para la obtencion de las soluciones y dispersiones acuosas asi como su empleo como adhesivo. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5432228A (es) |
EP (1) | EP0304718B2 (es) |
JP (1) | JP2894494B2 (es) |
KR (1) | KR970009324B1 (es) |
CA (1) | CA1328701C (es) |
DE (2) | DE3728140A1 (es) |
ES (1) | ES2045038T5 (es) |
MX (1) | MX169359B (es) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3828157A1 (de) * | 1988-08-19 | 1990-02-22 | Hoechst Ag | Verwendung von polyurethanharzen fuer waessrige fuellerzusammensetzungen |
DE3930352A1 (de) * | 1989-09-12 | 1991-03-21 | Renia Gmbh | Verfahren, vorrichtung und klebstoff zum verkleben von schuhteilen, insbesondere bei der schuhreparatur |
DE4125454A1 (de) * | 1991-08-01 | 1993-02-04 | Bayer Ag | Beschichtungsmittel und ihre verwendung zur erzeugung wasserdampfdurchlaessiger beschichtungen |
JP3521927B2 (ja) * | 1993-02-03 | 2004-04-26 | 大日本インキ化学工業株式会社 | 水性プリントラミネート接着剤組成物およびプリントラミネート方法 |
JP3608083B2 (ja) * | 1993-08-27 | 2005-01-05 | 大日本インキ化学工業株式会社 | 2液混合型水性接着剤組成物およびそれを用いたラミネート方法 |
US5703158A (en) * | 1993-09-24 | 1997-12-30 | H.B. Fuller Licensing & Financing, Inc. | Aqueous anionic poly (urethane/urea) dispersions |
US5610232A (en) * | 1993-09-24 | 1997-03-11 | H.B. Fuller Licensing & Financing, Inc. | Aqueous non-gelling, anionic polyurethane dispersions and process for their manufacture |
US5872182A (en) * | 1994-09-09 | 1999-02-16 | H. B. Fuller Licensing & Financing, Inc. | Water-based polyurethanes for footwear |
JPH11507675A (ja) * | 1995-06-07 | 1999-07-06 | エイチ・ビー・フラー・ライセンシング・アンド・ファイナンシング・インコーポレイテッド | 水性非ゲル化、アニオン性ポリウレタン分散体およびその製法 |
ZA981836B (en) * | 1997-03-17 | 1999-09-06 | Dow Chemical Co | Continuous process for preparing a polyurethane latex. |
US6162863A (en) * | 1997-12-04 | 2000-12-19 | Henkel Kommanditgesellschaft Auf Aktien | Waterborne polyurethanes with urea-urethane linkages |
AU2629799A (en) * | 1998-03-03 | 1999-09-20 | Avecia B.V. | Water soluble films |
US6325887B1 (en) | 1998-04-30 | 2001-12-04 | Morton International, Inc. | Heat-activatable polyurethane/urea adhesive in aqueous dispersion |
US6164088A (en) * | 1998-07-27 | 2000-12-26 | Mitsubishi Denki Kaishushiki Kaisha | Method for recovering condensable gas from mixed gas and condensable gas recovering apparatus |
DE19847791A1 (de) * | 1998-10-16 | 2000-04-20 | Bayer Ag | Wäßrige Polyurethandispersionen |
US6287698B1 (en) | 1998-12-08 | 2001-09-11 | H. B. Fuller Licensing & Financing, Inc. | Process for improving hydrolysis resistance of polyurethane dispersion adhesives and bonded assemblies produced therefrom |
US6087440A (en) * | 1999-02-16 | 2000-07-11 | The Dow Chemical Company | Continuous process for preparing a polyurethane latex |
JP2004509995A (ja) | 2000-09-21 | 2004-04-02 | サイテク・テクノロジー・コーポレーシヨン | 高耐熱特性を有する低温熱活性化接着剤 |
KR100376284B1 (ko) * | 2000-10-25 | 2003-03-17 | 학교법인 한양학원 | 질소-치환 폴리우레탄계 고체 고분자 전해질 조성물 |
DE10152405B4 (de) | 2000-10-25 | 2012-06-14 | Dainippon Ink And Chemicals, Inc. | Wässrige Dispersion von Polyurethanharzen und wässrige Klebstoffe |
DE10133789A1 (de) * | 2001-07-16 | 2003-02-06 | Basf Ag | Wässrige Dispersionen für hydrolysefeste Beschichtungen |
JP4900634B2 (ja) * | 2001-09-18 | 2012-03-21 | Dic株式会社 | ポリウレタン樹脂水性分散体の製造方法 |
JP4106996B2 (ja) * | 2002-07-19 | 2008-06-25 | Dic株式会社 | ポリウレタン樹脂水性分散体及び水性接着剤 |
US7342068B2 (en) * | 2003-11-18 | 2008-03-11 | Air Products And Chemicals, Inc. | Aqueous polyurethane dispersion and method for making and using same |
DE102004017436A1 (de) * | 2004-04-08 | 2005-10-27 | Bayer Materialscience Ag | Verfahren zur kontinuierlichen Herstellung einer wässrigen Polyurethandispersion |
DE102004023768A1 (de) * | 2004-05-11 | 2005-12-01 | Bayer Materialscience Ag | Wässrige Polyurethan-Dispersionen und ihre Verwendung als Klebstoff |
US7902291B2 (en) | 2007-03-30 | 2011-03-08 | Nicca Chemical Co., Ltd. | Aqueous polyurethane resin composition and one-component adhesive agent and laminated body that use the same, and method for manufacturing aqueous polyurethane resin composition |
DE102007052966A1 (de) | 2007-11-07 | 2009-05-14 | Bayer Materialscience Ag | Dispersionsklebstoffe |
DE102008038899A1 (de) | 2008-08-13 | 2010-02-18 | Bayer Materialscience Ag | Dispersionsklebstoffe (II) |
CL2008003124A1 (es) * | 2007-11-07 | 2009-11-27 | Bayer Materialscience Ag | Dispersiones acuosas de poliuretano-urea acuosa de; poliol(es) difuncional (es) o funcionalidad superior, compuestos(s) monofuncional (es) con la menos 50% p/p de óxido de etileno, componente(s)di o poliiocianato; y mezcla de compuestos monoamina primarios y/o secundarios; procedimiento; uso; composición; y compuesto adhesivo. |
EP2177551A1 (de) * | 2008-10-15 | 2010-04-21 | Bayer MaterialScience AG | Wässrige Polyurethan-Polyharnstoff-Dispersionen |
EP2488015B1 (en) | 2009-10-13 | 2013-11-20 | Bayer Cropscience LP | Fuzzy cotton seeds comprising an aqueous polyurethane coating |
EP2361938A1 (de) * | 2010-02-18 | 2011-08-31 | Bayer MaterialScience AG | Lichtechte Beschichtungsmittel |
WO2011061206A1 (en) * | 2009-11-19 | 2011-05-26 | Bayer Materialscience Ag | Light-stable anionic polyurethane polyureas |
US9617453B2 (en) | 2009-12-14 | 2017-04-11 | Air Products And Chemicals, Inc. | Solvent free aqueous polyurethane dispersions and methods of making and using the same |
CA2851965A1 (en) * | 2011-10-14 | 2013-04-18 | Harald Kraus | Cold contact adhesives |
US10640702B2 (en) | 2013-08-01 | 2020-05-05 | Covestro Llc | Coated particles and methods for their manufacture and use |
EP3733728A1 (en) | 2019-04-30 | 2020-11-04 | Covestro Deutschland AG | Aqueous polyurethane-urea dispersion |
US20220186096A1 (en) | 2019-03-29 | 2022-06-16 | Covestro Intellectual Property Gmbh & Co. Kg | Aqueous polyurethane-urea dispersion |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804609A1 (de) * | 1978-02-03 | 1979-08-09 | Bayer Ag | Waessrige loesungen oder dispersionen von polyisocyanat-polyadditionsprodukten, ein verfahren zu ihrer herstellung, sowie ihre verwendung als klebemittel |
DE2816815A1 (de) * | 1978-04-18 | 1979-10-31 | Bayer Ag | In wasser dispergierbare oder loesliche polyurethane, sowie ein verfahren zu ihrer herstellung |
US4408008A (en) * | 1981-07-24 | 1983-10-04 | Mobay Chemical Corporation | Stable, colloidal, aqueous dispersions of cross-linked urea-urethane polymers and their method of production |
US4501852A (en) * | 1983-06-20 | 1985-02-26 | Mobay Chemical Corporation | Stable, aqueous dispersions of polyurethane-ureas |
DE3521618A1 (de) * | 1985-06-15 | 1986-12-18 | Bayer Ag, 5090 Leverkusen | In wasser dispergierbare polyisocyanat-zubereitung und ihre verwendung als zusatzmittel fuer waessrige klebstoffe |
US4701480A (en) * | 1985-09-23 | 1987-10-20 | Mobay Corporation | Stable, aqueous dispersions of polyurethane-ureas |
GB8524579D0 (en) * | 1985-10-04 | 1985-11-06 | Polyvinyl Chemicals Inc | Coating compositions |
DE3630045A1 (de) * | 1986-09-04 | 1988-03-17 | Bayer Ag | Klebstoff und die verwendung des klebstoffs zur herstellung von verklebungen |
DE3641494A1 (de) * | 1986-12-04 | 1988-06-09 | Bayer Ag | In wasser loesliche oder dispergierbare poylurethane, ein verfahren zu ihrer herstellung und ihre verwendung zur beschichtung beliebiger substrate |
-
1987
- 1987-08-22 DE DE19873728140 patent/DE3728140A1/de not_active Withdrawn
-
1988
- 1988-08-09 DE DE88112920T patent/DE3884721D1/de not_active Expired - Lifetime
- 1988-08-09 EP EP19880112920 patent/EP0304718B2/de not_active Expired - Lifetime
- 1988-08-09 ES ES88112920T patent/ES2045038T5/es not_active Expired - Lifetime
- 1988-08-16 MX MX012693A patent/MX169359B/es unknown
- 1988-08-18 JP JP20395188A patent/JP2894494B2/ja not_active Expired - Lifetime
- 1988-08-19 CA CA 575285 patent/CA1328701C/en not_active Expired - Lifetime
- 1988-08-19 KR KR1019880010520A patent/KR970009324B1/ko not_active IP Right Cessation
-
1990
- 1990-02-21 US US07/483,167 patent/US5432228A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1328701C (en) | 1994-04-19 |
ES2045038T3 (es) | 1994-01-16 |
MX169359B (es) | 1993-06-30 |
EP0304718B1 (de) | 1993-10-06 |
KR970009324B1 (ko) | 1997-06-10 |
EP0304718A2 (de) | 1989-03-01 |
DE3884721D1 (de) | 1993-11-11 |
US5432228A (en) | 1995-07-11 |
JPS6469619A (en) | 1989-03-15 |
KR890003913A (ko) | 1989-04-18 |
EP0304718A3 (en) | 1990-04-25 |
JP2894494B2 (ja) | 1999-05-24 |
DE3728140A1 (de) | 1989-03-02 |
EP0304718B2 (de) | 1998-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2045038T5 (es) | Soluciones y dispersiones acuosas de productos de poliadicion de poliisocianato, un procedimiento para la obtencion de las soluciones y dispersiones acuosas asi como su empleo como adhesivo. | |
ES2071351T3 (es) | Un procedimiento para la produccion de 6,12-dihidro-6-hidroxicannabidiol y el uso del mismo para la produccion de trans-delta-9-tetrahidrocannabinol. | |
AR227650A1 (es) | Procedimiento para la produccion de compuestos de 2,4-diamino-6-cloro-quinazolinas | |
MX6717E (es) | Procedimiento para la preparacion de bis-esteres 6'acilaminopenicilanoiloximetilicos del acido 1,1-dioxido penicilanico | |
ES520985A0 (es) | Procedimiento para la preparacion de nuevos 6,11-dihidrodibenzo (b,e)-tiepin-11-n-alcohilnorescopin-eteres cuaternarios. | |
ES478687A1 (es) | Un procedimiento para la preparacion de derivados de acido carbamico. | |
IT7825558A0 (it) | Processo per la preparazione di sospensioni acquose contenenti almeno 65% in peso di carbonato di calcio. | |
BR8007563A (pt) | Processo para separacao de uma segunda mistura que consiste essencialmente de oxido de etileno e diclorodifluormetano de uma primeira mistura que compreende oxido de etileno, diclorodifluormetano e ar | |
ES2086346T3 (es) | Derivados de acido quinoloncarboxilico, procedimiento para su fabricacion asi como su uso como agentes antiviricos. | |
IT8024707A0 (it) | Procedimento per il funzionamento di un impianto per la preparazione della cartaccia, nonche' impianto per l'esecuzione del procedimento. | |
DE59107703D1 (de) | Verdickersystem für wasserhaltige Baustoffgemische | |
ES2074431T3 (es) | Un procedimiento para la sintesis de amicacina. | |
ES492456A0 (es) | Un procedimiento para la preparacion de 5'-deoxi-5-fluo- rouridina | |
AR228729A1 (es) | Procedimiento para la produccion de supositorios por compresion | |
ES481233A0 (es) | Un procedimiento para la preparacion de derivados del acido 4,5-dihidro-4-oxofuran-2-carboxilico | |
ES2145480T3 (es) | Amidas de acido carbamoilcarboxilico. | |
ES480265A0 (es) | Un procedimiento para la preparacion de derivados del acido 7-oxo-1-aza-biciclo (3,2,0) hept-2-en-2-carboxilico | |
BR7804263A (pt) | Processo para a producao de sulfonatos de calcio altamente basicos,e produto obtido | |
GT198274393A (es) | Procedimiento e intermedios para produccion de 6-(2-amino-2-fenilacetamido) penicilanatos de 1,1-dioxopenicilanoiloxime-tilo. | |
AR222215A1 (es) | Procedimiento para la produccion de extractos acuosos de heparina que contienen al menos 120 ui/ml de heparina | |
ES2085323T3 (es) | Compuestos de espiro-indolin-oxazina con caracteristicas fotocromaticas y fotosensibilizantes y el procedimiento para su preparacion. | |
ES479054A0 (es) | Procedimiento para la preparar monocariones por des-dicario-tizacion de cepas dicarioticas de basidiomicetos. | |
AR222669A1 (es) | Procedimiento para la obtencion del acido 3,3-dimetil-2-oxobutirico | |
ATE2895T1 (de) | Verfahren zur herstellung von 4-hydroxy-carbazol. | |
IT1119647B (it) | Procedimento per la rpdouzione del clorato di sodio mediante elettrolisis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 304718 Country of ref document: ES |