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. 10, 1985
Filed:
Dec. 15, 1983
Applicant:
Inventors:
Masaaki Sasakura, Nabari, JP;
Kunihiko Imada, Sakai, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8531 ; 8543 ; 8549 ; 8917 ; 8918 ; 8924 ;
Abstract
A blended fiber material of cellulose fiber and nitrogen-containing fiber is dyed by a one-bath one-step dyeing method, which comprises contacting the material with a dye bath containing both a reactive dye having two or more fiber-reactive groups different from each other and a reactive dye having one fiber reactive dye, whereby a dyed product having an excellent wet fastness is obtained even in a single manner.