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:
Oct. 26, 1993
Filed:
Aug. 27, 1992
Thomas Beck, Bad Soden am Taunus, DE;
Werner H Russ, Flosheim am Main, DE;
Hartmut Springer, Konigstein/Taunus, DE;
Marcus Banfer, Bad Soden am Taunus, DE;
Hoechst Aktiengesellschaft, Frankfurt, DE;
Abstract
Water-soluble phthalocyanine dyestuffs, processes for their preparation and their use Phthalocyanine dyestuffs, in particular copper phthalocyanine and nickel phthalocyanine dyestuffs, which contain one or more groups of the formula define below ##STR1## or one or more carboxy groups, or both groups, and which furthermore can have one or more sulfo groups, customary sulfonamide groups and/or groups of the general formula defined below ##STR2## dye materials containing hydroxy and/or carboxamide groups, in particular fiber materials, such as, for example, cellulose fiber materials, wool and polyamide fibers, in deep-colored, fast, mainly green shades. In the formulae: