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:
Nov. 04, 2003
Filed:
Apr. 13, 2001
Applicant:
Inventors:
Alan Thomas Leaver, Eccles Manchester, GB;
David Brierley, Oldham, GB;
James Franklin Bullock, Schriesheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
D06P 3/87 ; D06P 3/54 ; C09B 6/722 ;
U.S. Cl.
CPC ...
D06P 3/87 ; D06P 3/54 ; C09B 6/722 ;
Abstract
A dye mixture comprises: a) at least one pyrroline type dye of formula (I) wherein R is H, C alkyl or C alkenyl; and D is aryl; and b) at least one anthraquinone type dye of formula (II), wherein R is (CH ) OR ; R is C alkyl or C alkoxy-C alkyl; n is 1-6; and Z is O or NH.
Leaver, Alan. (2003). Disperse dye mixtures (U.S. Patent No. 6641620). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6641620
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile