Copolycarbonate-polyesters, methods of manufacture, and uses thereof
US8318891B2 · kind B2 · utility
5Cited by
10References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2008 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Feb 18, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A copolycarbonate-polyester, comprising units of formulawherein at least 60 percent of the total number of R1 groups are divalent aromatic organic radicals and the balance thereof are divalent aliphatic or alicyclic radicals; units of formulawherein T is a C7-20 divalent alkyl aromatic radical or a C6-20 divalent aromatic radical, and D is a divalent C6-20 aromatic radical; and units of the formula
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.