Polycarbonate resins method of manufacture, and articles formed therefrom
US7858728B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2007 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Apr 21, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/1691
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein is a polycarbonate comprising a terminal olefin group of the formulawherein R1 is a C1-C40 hydrocarbon that can be unsubstituted or substituted with a halogen, olefin, ether, ketone, or C4-C30 polyoxyalkylene functionality in which the alkylene groups contain 2 to 6 carbon atoms, R2 to R4 are each independently a hydrogen or a C1-C40 hydrocarbon that can be unsubstituted or substituted with a halogen, olefin, ether, ketone, or a C4-C30 polyoxyalkylene functionality in which the alkylene groups contain 2 to 6 carbon atoms, and optionally wherein any two of R1 to R4 together form a monocyclic, bicyclic, or tricyclic ring system optionally substituted with a heteroatom in each ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.