Aqueous semi-finished and primary non-stick coating compositions comprising heterocyclic polymers
US10465076B2 · kind B2 · utility
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Key dates
| Filing date | Jun 12, 2015 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Jun 12, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is an aqueous amine-free coating composition including at least one heterocyclic polymer, wherein the heterocyclic polymer is in the form of powder having a d90 less than or equal to 20 μm. Also provided is an aqueous amine-free non-stick coating composition including such an aqueous composition for a coating, and the respective methods for producing same. Further provided is a method for producing an item on one of the faces of a metal substrate, from at least one layer of coating composition or one layer of non-stick coating composition according to the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.