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:
Feb. 24, 1976
Filed:
Jun. 13, 1973
Applicant:
Inventor:
George A Serad, Edison, NJ (US);
Assignee:
Celanese Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 302 ; 260 / ; 260 324 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 264182 ; 264D / ; 264D / ;
Abstract
High polyacrylonitrile polymers containing at least 85 percent acrylonitrile can be melt extruded into useful shaped articles when plasticized with a plasticizing system comprising a low boiling acetonitrile fraction and a high boiling fraction capable of plasticizing the polyacrylonitrile at extrusion temperatures.