Branched polydiorganosiloxane polyamide copolymers
US8158739B2 · kind B2 · utility
1Cited by
44References
11Claims
0Family size
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Key dates
| Filing date | Jun 29, 2011 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Jun 29, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.