Elastomeric functional biodegradable copolyester amides and...

Details Elastomeric functional biodegradable copolyester amides and... Elastomeric functional biodegradable copolyester amides and...

2007-12-04

2007-12-04

Seidleck, James (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S176000, C528S179000, C528S182000, C528S184000, C528S189000, C528S332000, C528S335000, C528S336000, C524S086000, C524S233000, C424S426000, C424S451000, C424S457000, C424S489000, C424S490000, C424S497000

Reexamination Certificate

active

10362848

ABSTRACT:
The present invention provides elastomeric copolyester amides, elastomeric copolyester urethanes, and methods for making the same. The polymers that are based on α-amino acids and possess suitable physical, chemical and biodegradation properties. The polymers are useful as carriers of drugs or other bioactive substances. The polymers can be linked, intermixed, or a combination thereof, to one or more drugs.

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