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:
Dec. 25, 1984
Filed:
Sep. 09, 1983
Applicant:
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; D06P / ;
U.S. Cl.
CPC ...
8539 ; 8922 ;
Abstract
A process for producing modified polyester products by the graft polymerization of vinyl monomers having an acidic group and replacing the acidic group with an alkali metal salt, the replacing being carried out after dyeing. By this process, decrease in strength and color fastness of polyester fibers can be avoided while giving the polyesters characteristics similar to those of cotton.