Polyhydroxyalkylamide materials for use as crosslinkers
US12139630B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Dec 13, 2019 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jan 22, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A polyhydroxyalkylamide material having the formula (I), wherein Z represents a polymer or an alkylene, alkenylene, alkynylene or arylene group; Z′ represents a bivalent organic linking group; m is 0 or 1; X represents a bivalent organic bridging group; R represents a hydroxyalkylamide group; and n is at least 2. The present invention extends to coatings compositions containing the polyhydroxyalkylamide material and articles coated with coatings derived from said coated compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.