Organo-functional polysiloxanes
US7118621B2 · kind B2 · utility
3Cited by
3References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2003 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | Jun 8, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to an organo-functional polysiloxane of formula (1) wherein each R1 is independently selected from alkyl or aryl radicals, each R2 is independently selected from hydrogen, alkyl or aryl radicals, n is selected so that the molecular weight for the organo-functional polysiloxane is in the range of from 400 to 10,000, R3 is a bivalent radical or —O—W—(X)z is hydroxy or alkoxy, z is 1, 2 or 3 and X is a reactive functional group for reacting with amine radicals and wherein 0 to 90% of —O—R3—(X)z is hydroxy or alkoxy
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.