Copolymers of amino acids and methods of their production

Details Copolymers of amino acids and methods of their production Copolymers of amino acids and methods of their production

2006-08-15

2006-08-15

Truong, Duc (Department: 1711)

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

Synthetic resins

From carboxylic acid or derivative thereof

C528S310000, C528S328000, C528S489000, C525S419000, C525S420000, C525S422000

Reexamination Certificate

active

07091305

ABSTRACT:
Disclosed are copolymers based on aspartic acid or its precursor molecules and methods of their production. The copolymers are water-soluble over a wide range of composition and molecular weight. Their preparation involves conversion of a polysuccinimide to copolymers of defined composition, containing aspartate and succinimide residues and/or residues of asparagine. In particular, the copolymers include water-soluble terpolymers of aspartate, asparagine, and succinimide.

REFERENCES:
patent: 6825313 (2004-11-01), Sikes

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