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:
Sep. 03, 2002
Filed:
Nov. 20, 2000
Applicant:
Inventors:
Sea Wha Oh, Daejeon, KR;
Myeong Nyeo Kang, Daejeon, KR;
Tae Kyung Kim, Daejeon, KR;
Mi Kyoung Song, Daejeon, KR;
Assignee:
Korea Research Institute of Chemical Technology, Daejeon, KR;
Primary Examiner:
Int. Cl.
CPC ...
C09B 6/724 ; D06P 1/384 ;
U.S. Cl.
CPC ...
C09B 6/724 ; D06P 1/384 ;
Abstract
The present invention relates to a reactive black dye composition for cellulose fiber and more particularly, to the reactive black dye composition with excellent several fastnesses, dyeing levelness, reproducibility and dyeing yield, comprising a mixture with a certain amount ratio of an orange reactive dye expressed in formula (1) and black dye expressed in formula (2), wherein Z is —OSO M or OC(O)CH ; and M is an alkaline metal atom.