MX208237B - - Google Patents
Info
- Publication number
- MX208237B MX208237B MX9405490A MX9405490A MX208237B MX 208237 B MX208237 B MX 208237B MX 9405490 A MX9405490 A MX 9405490A MX 9405490 A MX9405490 A MX 9405490A MX 208237 B MX208237 B MX 208237B
- Authority
- MX
- Mexico
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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/094,933 US6031136A (en) | 1993-07-21 | 1993-07-21 | Process for preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX208237B true MX208237B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 2002-06-05 |
Family
ID=22248008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX9405490A MX208237B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-07-21 | 1994-07-19 |
Country Status (3)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7577598B2 (en) | 2001-05-01 | 2009-08-18 | United Parcel Service Of America, Inc. | Account opening facilitation system, method and computer program product |
| DE10141620A1 (de) * | 2001-08-24 | 2003-03-06 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
| DE10211021A1 (de) * | 2002-03-13 | 2003-09-25 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
| DE10228734A1 (de) * | 2002-06-27 | 2004-01-22 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
| DE10347438A1 (de) * | 2003-10-13 | 2005-05-04 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
| DE102005006692A1 (de) * | 2005-02-15 | 2006-08-24 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di-und Polyaminen der Diphenylmethanreihe |
| ES2364081T5 (es) * | 2005-12-08 | 2019-08-20 | Huntsman Int Llc | Procedimiento para preparar diaminodifenilmetanos |
| CN101279923B (zh) * | 2007-04-06 | 2010-08-25 | 宁波万华聚氨酯有限公司 | 一种制备多亚甲基多苯基多胺的方法 |
| ATE517860T1 (de) | 2007-04-06 | 2011-08-15 | Ningbo Wanhua Polyurethanes Co | Verfahren zur herstellung von polymethylenpolyphenylpolyamin |
| EP2039676A1 (en) * | 2007-09-19 | 2009-03-25 | Huntsman International Llc | Process for the production of di-and polyamines of the diphenylmethane series |
| EP2062869A1 (en) * | 2007-09-19 | 2009-05-27 | Huntsman International Llc | Process for the production of di-and polyamines of the diphenylmethane series |
| US11542223B1 (en) | 2022-07-21 | 2023-01-03 | Covestro Llc | Process for preparing di- and polyamines of the diphenyl methane series |
| EP4345088A1 (en) | 2022-09-29 | 2024-04-03 | Covestro Deutschland AG | A process for preparing di- and polyamines of the diphenyl methane series |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1288937A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-06-09 | 1972-09-13 | ||
| US4259526A (en) * | 1979-02-21 | 1981-03-31 | Bayer Aktiengesellschaft | Process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type |
| US4294987A (en) * | 1979-12-31 | 1981-10-13 | The Upjohn Company | Process for preparing methylene dianilines |
| US4465639A (en) * | 1983-01-26 | 1984-08-14 | The Upjohn Company | Process for polyisocyanates |
| US4792624A (en) * | 1987-02-26 | 1988-12-20 | The Dow Chemical Company | Process for polymeric MDA, recycle of finished polymeric MDA |
| US5286760A (en) * | 1992-10-09 | 1994-02-15 | Miles, Inc. | Process for reducing impurity levels in methylene diphenyamines |
-
1993
- 1993-07-21 US US08/094,933 patent/US6031136A/en not_active Expired - Fee Related
-
1994
- 1994-06-27 CA CA002126841A patent/CA2126841C/en not_active Expired - Fee Related
- 1994-07-19 MX MX9405490A patent/MX208237B/es unknown
-
1999
- 1999-12-29 US US09/474,628 patent/US6673970B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2126841A1 (en) | 1995-01-22 |
| US6031136A (en) | 2000-02-29 |
| CA2126841C (en) | 2005-12-13 |
| US6673970B1 (en) | 2004-01-06 |