Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
US6730628B2 · kind B2 · utility
10Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2003 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Feb 4, 2023 |
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.