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. 10, 1987
Filed:
Jul. 17, 1985
Applicant:
Inventor:
Zdenek Koci, Binningen, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ;
U.S. Cl.
CPC ...
8527 ; 8402 ; 8436 ; 8499 ; 8582 ; 8609 ; 8680 ; 8685 ; 8919 ;
Abstract
The invention relates to aqueous/organic or purely organic solutions of anionic dyes, the principal feature of which solutions is that they contain the dye or dyes, dissolved in a C.sub.1 -C.sub.4 monoalkyl ether of propylene glycol, or of butylene glycol, or in a C.sub.1 -C.sub.4 carboxylic acid ester thereof, or in a mixture of these solvents. Such dyestuff solutions are storage stable and are especially suitable for spray dyeing leather.