Polyisocyanate modified with sulphamic acid, preparation method thereof and use thereof
US9975985B2 · kind B2 · utility
1Cited by
12References
18Claims
0Family size
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Key dates
| Filing date | Sep 26, 2013 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Dec 20, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2170/80
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyisocyanate modified with sulphamic acid and a mixture thereof, the preparation method thereof, and the use thereof in the production of polyurethane, especially as a cross-linking ingredient in the field of aqueous coatings and adhesives containing groups that are capable of reacting with isocyanate groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.