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:
Dec. 09, 1997
Filed:
Jun. 29, 1995
Applicant:
Inventors:
Julie Ann Christie, Newcastle upon Tyne, GB;
Fiona Susan MacBeath, Newcastle upon Tyne, GB;
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C11D / ; B08B / ;
U.S. Cl.
CPC ...
25218626 ; 25218627 ; 2521863 ; 25218633 ; 25218638 ; 510220 ; 510221 ; 510245 ; 510255 ; 510267 ; 510270 ; 510271 ; 134 252 ;
Abstract
There is provided a bleaching composition containing (a) an oxygen-releasing bleaching agent as a source of available oxygen and (b) a non-paraffin oil organic silver coating agent. In one aspect the rate of release of available oxygen is carefully controlled such that the available oxygen is completely released from the composition in a time interval of from 3.5 minutes to 10.0 minutes. In another aspect the composition contains (c) an additional corrosion inhibitor compound.