Physically-modified degradable thermoplastic compositions
US5556905A · kind A · utility
26Cited by
8References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1994 |
| Grant date | Sep 17, 1996 |
| Priority date | — |
| Expiry date | Mar 30, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/11
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described are degradable thermoplastic compositions which are physically modified by citrate esters and other polycarboxylic acid esters. Also described are novel citrate esters effective to provide such physical modifications, as well as methods for preparing the degradable thermoplastic compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.