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:
Jan. 18, 1983
Filed:
Dec. 04, 1980
Applicant:
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ;
U.S. Cl.
CPC ...
81155 ; 81157 ; 8128 / ; 8 94 / ; 8128 / ; 525426 ;
Abstract
The present invention discloses a method of modifying a synthetic or natural polyamide product. A graft polymerization is carried out on the polyamide product in a solution containing 5 to 60 mole % of acrylic acid and 95 to 40 mole % of methacrylic acid as the monomer by means of a redox catalyst.