Low melting cyclic polycarbonate composition
US5264548A · kind A · utility
31Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 1992 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | Jan 27, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A cyclic polycarbonate oligomer having a low melting point useful in the preparation of high molecular weight resins. The cyclic polycarbonate oligomers have structural units with long alkyl chains which may contain ester substituents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.