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:
Jul. 14, 1981
Filed:
Aug. 18, 1980
Applicant:
Inventors:
Maurice M Zwick, Stamford, CT (US);
William J van Loo, Sarasota, FL (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D / ;
U.S. Cl.
CPC ...
264168 ; 264171 ; 2642103 ; 2642106 ; 428373 ;
Abstract
A mixture of (1) a single phase melt of water and a first acrylonitrile polymer containing at least 85% acrylonitrile and (2) a pure melt of a second acrylonitrile polymer containing from about 60-72% acrylonitrile is extruded through the orifices of a spinneret directly into a steam-pressurized solidification zone to provide a biconstituent fiber which is stretched while within the solidification zone.