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:
Aug. 02, 1977
Filed:
Apr. 14, 1975
Applicant:
Inventor:
Paul Couchoud, Dardilly, FR;
Assignee:
Rhone-Poulenc-Textile, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
260895 ; 260 / ; 260900 ; 2642 / ; 526292 ;
Abstract
The invention relates to shaped structures, e.g., filaments, fibers or films based on poly(vinylidene fluoride) possessing good dyeing affinity for acid and metal-containing dyestuffs and comprising a fiber and filament forming mixture of poly(vinylidene fluoride) and a copolymer containing 80-95% by weight of methyl methacrylate and 5-20% by weight of a compound which contains a quaternary ammonium group and is copolymerizable with methyl methacrylate. The filaments and fibers according to the invention can advantageously be used in the textile field.