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:
May. 26, 1976
Filed:
Oct. 31, 1973
Applicant:
Inventors:
June T Duke, Chagrin Falls, OH (US);
B Frank Vincent, Jr, Chesterland, OH (US);
Bruce O Budinger, Cleveland, OH (US);
James L O'Kane, Warrensville Heights, OH (US);
Assignee:
Standard Oil Company, Cleveland, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
2608 / ; 260879 ;
Abstract
Improved impact strength of copolymers of acrylonitrile and styrene prepared in the presence of a diene rubber is achieved by presoaking the diene rubber with part of the acrylonitrile and styrene monomers prior to conducting the graft polymerization reaction.