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:
Aug. 09, 2005
Filed:
Oct. 14, 2002
Applicant:
Jordi Berenguer, El Prat de Llobregat, ES;
Inventor:
Jordi Berenguer, El Prat de Llobregat, ES;
Assignee:
Clariant Finance (BVI) Limited, Tortola, VG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B045/14 ; C09B067/22 ; D06P001/10 ; D06P003/32 ;
U.S. Cl.
CPC ...
Abstract
1:2-metal complex dyes of the formulawherein the symbols R, R', R, R′, R, R′, Y, Z, n, n′, Me, M and (Kat)are defined as in the Claims, mixtures thereof, their compositions, their production and their use as anionic dyes for dyeing substrates, especially leather, in brown to red shades.