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:
Apr. 04, 2000
Filed:
Mar. 19, 1998
Applicant:
Inventors:
Wilfried Hansmann, Leverkusen, DE;
Hermann Henk, Koln, DE;
Stefan Ehrenberg, Frankfurt, DE;
Wolfram Reddig, Leverkusen, DE;
Assignee:
DyStar Textilfarben GmbH & Co. Deutschland KG, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
534605 ; 534618 ; 534624 ; 534633 ; 534634 ; 540125 ; 544 76 ; 544189 ; 544194 ;
Abstract
Dyes containing a 5,6-difluoropyrimidin-4-yl radical as fiber-reactive group are useful for dyeing hydroxy- and/or carboxamido-containing material, including fiber material, for example cellulose fibers, wool and polyamide.