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:
Apr. 21, 1998
Filed:
Jan. 17, 1995
Applicant:
Inventor:
Kwee C Wong, Londonderry, NH (US);
Assignee:
The Dexter Corporation, Industry, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; C23F / ;
U.S. Cl.
CPC ...
216108 ; 216106 ; 252 792 ; 423265 ; 4233901 ;
Abstract
A composition that includes an aqueous solution of nitric acid and an additive having the formula ##STR1## or a salt thereof, in an amount sufficient to improve the oxidative stability of the aqueous nitric acid solution relative to the oxidative stability of that aqueous solution in the absence of the additive.