Polyurethane process
US4255528A · kind A · utility
2Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1979 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | Sep 24, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/1808
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The use of catalytic amounts of tris(3-dimethylaminopropyl)amine promotes the formation of urethane linkages. Its unusual activity and properties make this compound very useful in the manufacture of rigid polyurethanes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.