Polymer containing lactic acid as its constituting unit and method for producing the same
US5618911A · kind A · utility
45Cited by
1References
19Claims
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Key dates
| Filing date | Aug 3, 1994 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Aug 3, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/823
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymer having a blocked terminal group according to the present invention, represented by the following Formula (I): ##STR1## where R is an alkylene group containing 1 to 20 carbon atoms; X.sub.1 is an acyl group containing 2 to 50 carbon atoms; Y is H, an alkyl group containing 1 to 50 carbon atoms or an alkenyl group containing 1 to 50 carbon atoms; m is a positive integer; and n.sub.1 is 0 or a positive integer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.