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:
Dec. 24, 1991
Filed:
Oct. 23, 1990
Zdenek Koci, Binningen, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Aqueous dye preparations are described which contain 15-40% by weight of dyes, 3-18% by weight of an anionic dispersant of the formula (1), 1-10% by weight of sodium lactate, 1-10% by weight of glycerol and/or propylene glycol, 0.1-5% by weight of a compound having monomer units of the general formula (2), 3-10% by weight of betaine monohydrate, 0-4% by weight of a compound having monomer units of the general formula (3) and 0.1-15% by weight of customary auxiliaries; preparations of this type have a long shelf life, are highly redispersible and do not form sediments; they are suitable in particular for the continuous dyeing of polyester textile materials or mixtures thereof with cellulose textile materials.