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:
Sep. 25, 1979
Filed:
Feb. 24, 1978
Applicant:
Inventor:
Michael K Rinehart, Parkersburg, WV (US);
Assignee:
Borg-Warner Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526342 ;
Abstract
Polymers containing greater than 60 wt% alpha methylstyrene, from 28 to 35 wt% acrylonitrile and from 0 to 7 wt% styrene having excellent color and usefully high molecular weights result from suspension polymerization of the monomer mixture above 90.degree. C. and employing monomer phase to aqueous phase ratios greater than 1:1.5.