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:
May. 18, 1999
Filed:
Jan. 27, 1998
Applicant:
Inventors:
Benjamin Edgar Chapman, Cincinnati, OH (US);
Toan Trinh, Mainesville, OH (US);
Assignee:
Procter & Gamble Company, Cincinnati, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510368 ; 510220 ; 510268 ; 510312 ; 510349 ; 510375 ; 510395 ; 25218638 ;
Abstract
The present invention relates to a system for delivering liquid bleach activators to solid or granular peroxygen bleach containing compositions. The preferred delivery system is liquid activators complexed with a cyclodextrin, preferably beta-cyclodextrin. The present invention also relates to a method for preparing the liquid bleach activator/cyclodextrin complexes described herein.