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:
Apr. 15, 2014
Filed:
Sep. 15, 2010
Thomas Ruch, Delemont, CH;
Thomas Eichenberger, Basel, CH;
Peter Sutter, Sissach, CH;
Christoph Krebs, Pratteln, CH;
Ursula Luterbacher, Reinach, CH;
Thomas Ruch, Delemont, CH;
Thomas Eichenberger, Basel, CH;
Peter Sutter, Sissach, CH;
Christoph Krebs, Pratteln, CH;
Ursula Luterbacher, Reinach, CH;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to colored and/or fluorescent copolycondensates which are obtained by reaction of colorants substituted by at least two reactive groups which do not interfere with one another, with selected cyclic dicarboxylic acids (especially 1,4-cyclohexanedicarboxylic acid), aliphatic diols (especially ethylene glycol), cyclic diamines (especially isophoronediamine) and/or amino acids in particular amounts.