Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
US6552154B1 · kind B1 · utility
17Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2000 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Nov 26, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/1825
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.