NL294647A - - Google Patents
Info
- Publication number
- NL294647A NL294647A NL294647DA NL294647A NL 294647 A NL294647 A NL 294647A NL 294647D A NL294647D A NL 294647DA NL 294647 A NL294647 A NL 294647A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
-
- 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
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
- C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF37173A DE1165580B (de) | 1962-06-27 | 1962-06-27 | Verfahren zur Herstellung von Polyisocyanaten mit Biuret-Struktur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL294647A true NL294647A (enrdf_load_stackoverflow) |
Family
ID=7096769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL294647D NL294647A (enrdf_load_stackoverflow) | 1962-06-27 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE633862A (enrdf_load_stackoverflow) |
| DE (1) | DE1165580B (enrdf_load_stackoverflow) |
| GB (1) | GB1043672A (enrdf_load_stackoverflow) |
| NL (1) | NL294647A (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2308015B2 (de) * | 1973-02-17 | 1980-07-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur |
| DE2612783C3 (de) * | 1976-03-25 | 1981-11-05 | Hoechst Ag, 6000 Frankfurt | Biurete, Verfahren zu ihrer Herstellung und deren Verwendung |
| DE2856826A1 (de) | 1978-12-30 | 1980-07-17 | Bayer Ag | Verfahren zur herstellung von biuret- und/oder hoehere polyuretgruppen aufweisenden polyisecyanaten, die nach diesem verfahren erhaeltlichen verbindungen, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen |
| DE2856864A1 (de) | 1978-12-30 | 1980-07-24 | Bayer Ag | Neue polyisocyanate, ein verfahren zu ihrer herstellung und ihre verwendung |
| DE3007679A1 (de) | 1980-02-29 | 1981-09-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyisocyanaten mit biuretstruktur |
| DE3403278A1 (de) * | 1984-01-31 | 1985-08-01 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyisocyanaten mit biuretstruktur |
| DE3403277A1 (de) * | 1984-01-31 | 1985-08-01 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyisocyanaten mit biuretstruktur |
| DE3742181A1 (de) * | 1987-12-12 | 1989-06-22 | Bayer Ag | Verfahren zur herstellung von biuretpolyisocyanaten, die nach diesem verfahren erhaltenen verbindungen und ihre verwendung |
| CN115925580B (zh) * | 2022-11-22 | 2024-06-07 | 宁夏瑞泰科技股份有限公司 | 资源化利用hdi精馏残渣的方法及缩二脲多异氰酸酯 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL238495A (enrdf_load_stackoverflow) * | 1958-04-24 |
-
0
- NL NL294647D patent/NL294647A/xx unknown
- BE BE633862D patent/BE633862A/xx unknown
-
1962
- 1962-06-27 DE DEF37173A patent/DE1165580B/de active Pending
-
1963
- 1963-06-21 GB GB2482263A patent/GB1043672A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1165580B (de) | 1964-03-19 |
| BE633862A (enrdf_load_stackoverflow) | |
| GB1043672A (en) | 1966-09-21 |