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:
Dec. 23, 1980
Filed:
Jan. 24, 1979
Applicant:
Inventors:
Franz Wenzel, Darmstadt, DE;
Heinz-Dieter Bruemmer, Seeheim, Jugenheim, DE;
Manfred Krieg, Darmstadt-Neu-Kranichstein, DE;
Assignee:
Rohm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526218 ; 128 68 ; 428220 ; 526 73 ; 526228 ; 5263232 ; 5263293 ; 526342 ; 528503 ;
Abstract
What is disclosed are copolymers predominantly containing acrylonitrile and having a very low residual monomer content, for example of less than 100 ppm, the method of making such copolymers by polymerization to at least 60 percent conversion followed by post-heating at a temperature of more than 130.degree. C., and the use of such copolymers in orthopedic devices which come into direct contact with the skin.