Linear polyester salts
US4010196A · kind A · utility
16Cited by
0References
4Claims
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Assignee
Inventor
Key dates
| Filing date | Jun 25, 1975 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Jun 25, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/912
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Polyester salts of the formula ##STR1## wherein X is an alkali metal, hydrogen or a combination of the two; R is methyl or hydrogen and m has a value from about 3 to about 30. These novel linear polyester salts find utility as absorbable matrix materials for depot drug dosage forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.