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:
Mar. 06, 1990
Filed:
Mar. 24, 1988
Applicant:
Inventors:
Naoki Kyochika, Wakayama, JP;
Shigeru Nagao, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
8589 ; 8527 ; 8532 ; 8587 ;
Abstract
Cellulose fibers can be effectively dyed with an assistant composition comprising (a) a polymer or copolymer of maleic acid, acrylic acid, methacylic acid or a salt thereof and (b) a sulfonate of a monocyclic or polycyclic aromatic compound or a condensate thereof with an aliphatic aldehyde.