The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 1999
Filed:
Dec. 06, 1996
Applicant:
Inventors:
Burghard Gruning, Essen, DE;
Harald Rau, Essen, DE;
Jorg Simpelkamp, Essen, DE;
Christian Weitemeyer, Essen, DE;
Assignee:
Th. Goldschmidt AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528310 ; 528328 ; 528363 ; 525419 ; 525420 ;
Abstract
Copolymers derived from polyamino acids with at least 75% of the units present selected from the group consisting of structural units having the general formulas (I) and (II) in which the structural elements A are identical or different trifunctional hydrocarbon radicals with 2 or 3 C atoms, wherein the copolymer contains at least three units of formula (I).