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:
May. 10, 1994
Filed:
Aug. 31, 1992
Applicant:
Inventors:
Hendrikus J Rutten, Maastricht, NL;
Adrianus W Braam, Susteren, NL;
Assignee:
DSM N.V., , NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
528502 ; 264164 ; 264181 ; 264197 ; 2642107 ;
Abstract
Process for stretching an article substantially consisting of a flexible-chain polymer, which is swollen in a solvent for that polymer, in which process an article substantially consisting of a copolymer of the polymer with a second polymer is swollen in a selective solvent for the flexible-chain polymer, and stretched, and an article containing an oriented flexible-chain polymer with a dichroic ratio of at least 1.1.