Curable compositions and methods of catalyzing chemical reactions
US8791223B2 · kind B2 · utility
6Cited by
17References
12Claims
0Family size
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Key dates
| Filing date | Oct 8, 2010 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Aug 18, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D175/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods of catalyzing chemical reactions are provided. A tri-substituted phosphine having at least one substituent that is an alkyl group is added as a catalyst to reaction mixtures. Reaction mixtures contain uretdiones, anhydrides, or isocyanate functional materials including isocyanurates, in various combinations with hydroxyl, thiol, and/or amine functional materials. Curable compositions comprising these catalysts and reaction mixtures are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.