Polyurethanes made using bismuth thiocarbamate or thiocarbonate salts as catalysts
US9416214B2 · kind B2 · utility
1Cited by
11References
13Claims
0Family size
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Key dates
| Filing date | Mar 26, 2013 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Mar 26, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0058
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth mono- or dithiocarbamate or mono- or dithiocarbonate salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.