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:
Jul. 07, 1987
Filed:
Mar. 27, 1986
Applicant:
Inventors:
Assignee:
Nitto Boseki Co., Ltd, Fukushima, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; C09B / ;
U.S. Cl.
CPC ...
8543 ; 8554 ; 8602 ; 8606 ; 8918 ;
Abstract
The present invention relates to a method for improving the color fastness of a dyed product which comprises treating a dyed product which has been dyed with a reactive dye with a copolymer of an N-substituted secondary allylamine derivative represented by the following general formula: