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. 16, 1985
Filed:
Aug. 19, 1982
Applicant:
Inventor:
David L Richardson, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; D06L / ;
U.S. Cl.
CPC ...
252100 ; 252 95 ; 252102 ; 2521861 ; 25218626 ; 25218642 ; 252D / ; 260 / ; 260 / ;
Abstract
Surface active peroxyacid bleaches (e.g., perlauric acid) are protected against decomposition caused by presence of magnesium ions in aqueous solutions of said bleaches, by the presence of certain aminophosphonic acid and aminocarboxylic acid chelating agents.