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. 19, 1991
Filed:
Jul. 10, 1990
Ernst Tempel, Riehen, CH;
Pia Grimbu/ hler-Can, Basel, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Concentrated, aqueous preparations of 1:2 metal complex dyes which contain 10 to 30% by weight of a 1:2 metal complex dye, 3 to 25% by weight of an anionic dispersant, 1 to 15% by weight of a polyhydroxy compound and 0 to 25% by weight of a customary formulation assistant, in each case based on the total preparation, and water in an amount such that the sum of all the components is 100%, have an excellent stability, are readily pourable and can be diluted with water as desired, and are therefore particularly suitable for the preparation of dyebaths or printing pastes which are employed, in particular, for continuous dyeing or printing of textile fibrous materials of synthetic polyamide.