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:
Jun. 30, 1998
Filed:
Mar. 19, 1997
Applicant:
Inventors:
Sydia B Anderson, Doylestown, PA (US);
Michael A Cady, Yardley, PA (US);
Assignee:
BetzDearborn Inc., Trevose, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548257 ;
Abstract
A method of preparing halo-benzotriazoles is disclosed. The method involves mixing an aqueous solution of sodium hypohalite with an aqueous slurry or suspension of a benzotriazole. Preferred sodium hypohalites are sodium hypochlorite or sodium hypobromite and the preferred benzotriazole is tolyltriazole.