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:
Apr. 06, 1976
Filed:
Apr. 10, 1974
Applicant:
Inventors:
Jeno G Szita, Norwalk, CT (US);
Arutun Maranci, Westport, CT (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 264182 ;
Abstract
Aqueous solutions containing at least 30% sodium thiocyanate and 2 to 25% dipropylene glycol are solvents for acrylonitrile polymers containing 55 to 80% acrylonitrile and 15 to 40% vinyl chloride, vinyl bromide, vinylidene chloride, vinylidene chlorobromide, and/or vinylidene bromide useful in forming solutions of 8 to 15% of such polymers for wet-spinning into fibers.