Waterborne thermosetting compositions containing alternating copolymers of isobutylene type monomers
US7183355B2 · kind B2 · utility
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70References
35Claims
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Key dates
| Filing date | Aug 27, 2004 |
| Grant date | Feb 27, 2007 |
| Priority date | — |
| Expiry date | Apr 21, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A curable, aqueous film-forming composition is provided, comprising: wherein R1 is linear or branched C1 to C4 alkyl, R2 is selected from methyl, linear, cyclic or branched C1 to C20 alkyl, alkenyl, aryl, alkaryl and aralkyl; and The invention is also directed to a multi-component composite coating composition including a base coat deposited from a pigmented film-forming composition and a transparent topcoat applied over the base coat. At least one-coat is the film-forming composition described above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.