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. 15, 2013
Filed:
Jun. 07, 2006
Robert Hochberg, Merzhausen, DE;
Oliver Becherer, Schwörstadt, DE;
Bernard Schultz, St. Louis, FR;
Goetz Scheffler, Grenzach-Wyhlen, DE;
René Schlatter, Lörrach, DE;
Robert Hochberg, Merzhausen, DE;
Oliver Becherer, Schwörstadt, DE;
Bernard Schultz, St. Louis, FR;
Goetz Scheffler, Grenzach-Wyhlen, DE;
René Schlatter, Lörrach, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to the use of a combination of a free fluorescent whitening agent and cationic polymer as a brightening agent for a synthetic single or blended textile, especially polyester textile, and to a corresponding brightening agent as well as a laundering process for brightening a synthetic, single or blended textile, which is characterized by a) preparing a composition by contacting a free fluorescent whitening agent with a cationic polymer, and b) treating said synthetic, single or blended textile with the composition prepared in step a).