Rapidly degradable poly (hydroxyacid) compositions
US5278256A · kind A · utility
35Cited by
15References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1992 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Sep 16, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C59/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The depolymerization of poly(hydroxyacids) in a liquid medium is enhanced by the presence of a quaternary ammonium compound. Poly(hydroxyacid) polymers containing a quaternary ammonium salt are more readily depolymerized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.