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. 05, 1994
Filed:
Sep. 30, 1992
Applicant:
Inventor:
William G Woods, Riverside, CA (US);
Assignee:
U.S. Borax Inc., Valencia, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
25218627 ; 2521863 ; 25218631 ; 252 95 ;
Abstract
Stable, concentrated aqueous persalt solutions are provided in which the stabilizing agent is an arylazo compound, such as tartrazine, having an ortho-hydroxy substituent on the aryl group. Preferred compositions contain sodium perborate and a solubilizing agent as well as the azo stabilizer.