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:
May. 25, 2010
Filed:
Jan. 04, 2008
Applicants:
Michael Lennartz, Lörrach, DE;
Adolf Käser, Bottmingen, CH;
Sandra Weiss, Lörrach-Brombach, DE;
Inventors:
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 35/023 (2006.01); C09B 35/03 (2006.01); C09B 35/033 (2006.01); C09B 35/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates necessary for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.
Lennartz, Michael. (2010). Yellow anionic disazo dyes (U.S. Patent No. 7723494). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7723494
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile