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:
Jul. 11, 2006
Filed:
Nov. 26, 2002
Applicants:
Stephen Daniel Pastor, Mayhill, NM (US);
Joseph Suhadolnik, Yorktown Heights, NY (US);
Deborah Judd, Poughkeepsie, NY (US);
Mervin Gale Wood, Mobile, AL (US);
Inventors:
Stephen Daniel Pastor, Mayhill, NM (US);
Joseph Suhadolnik, Yorktown Heights, NY (US);
Deborah Judd, Poughkeepsie, NY (US);
Mervin Gale Wood, Mobile, AL (US);
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 41/00 (2006.01); C07D 249/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a novel one-pot, organic solvent-free process for the preparation of 2-(2-nitrophenylazo) substituted phenols. The 2-(2-nitrophenylazo) substituted phenols are precursors for hydroxyphenylbenzotriazole UV absorbers.