Polydiorganosiloxane polyoxamide copolymers
US9206290B2 · kind B2 · utility
4Cited by
33References
13Claims
0Family size
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Key dates
| Filing date | Aug 28, 2014 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Aug 28, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.