BE682250A - - Google Patents
Info
- Publication number
- BE682250A BE682250A BE682250DA BE682250A BE 682250 A BE682250 A BE 682250A BE 682250D A BE682250D A BE 682250DA BE 682250 A BE682250 A BE 682250A
- Authority
- BE
- Belgium
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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US462730A US3393236A (en) | 1965-06-09 | 1965-06-09 | Stereoisomeric preparation of bis(p-aminocyclohexyl) methane |
Publications (1)
Publication Number | Publication Date |
---|---|
BE682250A true BE682250A (fr) | 1966-11-14 |
Family
ID=23837554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE682250D BE682250A (fr) | 1965-06-09 | 1966-06-08 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3393236A (fr) |
BE (1) | BE682250A (fr) |
CH (1) | CH481056A (fr) |
DE (1) | DE1593238A1 (fr) |
GB (1) | GB1132134A (fr) |
LU (1) | LU51266A1 (fr) |
NL (1) | NL6607949A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4026943A (en) * | 1976-09-20 | 1977-05-31 | The Upjohn Company | Novel process |
US4369305A (en) * | 1980-11-20 | 1983-01-18 | E. I. Du Pont De Nemours And Company | Polyamide molding resin from PACM having specific stereo isomer ratio |
US4394522A (en) * | 1981-06-01 | 1983-07-19 | Mobay Chemical Corporation | Catalytic hydrogenation of di(4-aminophenyl)methane |
US4394523A (en) * | 1981-06-01 | 1983-07-19 | Mobay Chemical Corporation | Catalytic hydrogenation of di (4-aminophenyl) methane |
US4448995A (en) * | 1982-12-13 | 1984-05-15 | Mobay Chemical Corporation | Catalytic hydrogenation of di(4-aminophenyl)methane |
US4983763A (en) * | 1990-01-23 | 1991-01-08 | Mobay Corporation | Process for preparing high trans, trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane |
US5175350A (en) * | 1990-04-24 | 1992-12-29 | Miles Inc. | Melt crystallization process for preparing high trans, trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane |
CA2039544A1 (fr) | 1990-04-24 | 1991-10-25 | Stephen D. Seneker | Methode de cristallisation par fusion pour preparer du 4,4'-diisocyanatodicyclohexylmethane riche en isomere trans,trans |
CN108047011B (zh) * | 2017-09-14 | 2021-08-17 | 浙江新和成股份有限公司 | 一种替普瑞酮及其中间物的合成方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2494563A (en) * | 1947-01-08 | 1950-01-17 | Du Pont | Bis (4-aminocyclohexyl) methane |
US2606924A (en) * | 1949-06-09 | 1952-08-12 | Du Pont | Bis (4-aminocyclohexyl)-methane |
-
1965
- 1965-06-09 US US462730A patent/US3393236A/en not_active Expired - Lifetime
-
1966
- 1966-05-24 CH CH755366A patent/CH481056A/de not_active IP Right Cessation
- 1966-06-07 LU LU51266A patent/LU51266A1/xx unknown
- 1966-06-08 BE BE682250D patent/BE682250A/xx not_active IP Right Cessation
- 1966-06-08 GB GB25572/66A patent/GB1132134A/en not_active Expired
- 1966-06-08 DE DE19661593238 patent/DE1593238A1/de active Pending
- 1966-06-08 NL NL6607949A patent/NL6607949A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH481056A (de) | 1969-11-15 |
DE1593238A1 (de) | 1970-04-30 |
GB1132134A (en) | 1968-10-30 |
US3393236A (en) | 1968-07-16 |
LU51266A1 (fr) | 1966-08-08 |
NL6607949A (fr) | 1966-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: E.I. DU PONT DE NEMOURS AND CY Effective date: 19860608 |