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. 07, 1999
Filed:
Dec. 15, 1998
Applicant:
Inventors:
Stefano Scialla, Rome, IT;
Raffaele Scoccianti, Rome, IT;
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06B / ; D06L / ; C11D / ; C11D / ; C01B / ;
U.S. Cl.
CPC ...
8137 ; 510283 ; 510284 ; 510292 ; 510303 ; 510312 ; 25218627 ; 25218629 ; 25218638 ; 8111 ;
Abstract
Liquid bleaching compositions are described which comprise hydrogen peroxide or a source thereof, as well as a bleach activator. The liquid bleach activator is hydrophobic, and the compositions are formulated as microemulsions of said bleach activator in a hydrophilic matrix comprising water and a surfactant system comprising an anionic and a nonionic surfactant.