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:
Sep. 08, 2009
Filed:
Jan. 10, 2005
Applicants:
Fabienne Cuesta, Waldighoffen, FR;
Ted Deisenroth, Brookfield, CT (US);
Peter Rohringer, Schönenbuch, CH;
Inventors:
Fabienne Cuesta, Waldighoffen, FR;
Ted Deisenroth, Brookfield, CT (US);
Peter Rohringer, Schönenbuch, CH;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06L 3/12 (2006.01); C07D 251/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a fluorescent whitening agent comprising a mixture of two symmetrically and one asymmetrically substituted triazinylaminostilbene disulphonic acids, certain novel derivatives, a process for their preparations and use of the mixture for whitening synthetic or natural organic materials, especially paper and for the fluorescent whitening and improvement of sun protection factors of textile materials.