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:
Oct. 17, 1989
Filed:
May. 22, 1987
Applicant:
Inventors:
Chris E Schwier, Northampton, MA (US);
Wan C Wu, Longmeadow, MA (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526262 ; 526272 ; 5263292 ; 5263293 ; 526342 ;
Abstract
A method of forming polymers containing .alpha.-methylstyrene and acrylonitrile by polymerizing, preferably continuously, under off-azeotrope conditions to vastly improve rate without substantially changing the content of .alpha.-methylstyrene in the polymer being formed from that obtained under azeotrope conditions.
Schwier, Chris. (1989). Process for preparing .alpha.-methylstyrene-acrylonitrile polymers (U.S. Patent No. 4874829). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4874829
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile