Hydrolyzable polymers of amino acid and hydroxy acids
USRE30170E · kind E · reissue
21Cited by
4References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 11, 1977 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Oct 11, 1997 |
Classification
- Technology area (CPC —)General
Abstract
Hydrolyzable film- and fiber-forming polymers having a plurality of repeating units of the formula: ##STR1## wherein R is lower alkyl, aryl, alkaryl and aralkyl; R.sub.1, R.sub.2 and R.sub.3 are each selected from H or lower alkyl with the proviso that at least one of R.sub.1, R.sub.2, R.sub.3 is H; and n is an integer of 0 to 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.