Aromatic diamine polyurethane curatives with improved stability
US6525131B1 · kind B1 · utility
1Cited by
11References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 2001 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Sep 18, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3435
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein is a composition comprising an aromatic diamine that is a solid at room temperature and a stabilizing quantity of a hindered amine light stabilizer and its use as a polyurethane curing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.