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:
Aug. 13, 2002
Filed:
Dec. 03, 1999
Applicant:
Inventors:
Melissa D. Aquino, Cincinnati, OH (US);
Peter Robert Foley, Cincinnati, OH (US);
Lynda Anne Speed, Newcastle Upon Tyne, GB;
Xiaoqing Song, West Chester, OH (US);
Glenn Steven Ward, Gosforth, GB;
Douglas A. Dale, Pacifica, CA (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/00 ; C11D 7/42 ; C12S 9/00 ;
U.S. Cl.
CPC ...
C11D 3/00 ; C11D 7/42 ; C12S 9/00 ;
Abstract
A particle for detersive enzymes is disclosed by way of the present invention. The particle comprises a composite particle suitable for incorporation into a detergent composition comprising an enzyme containing core material and a water soluble carboxylate barrier layer coated on the enzyme containing core material. The preferred enzymes are protease enzymes. Automatic dishwashing compositions employing the particle are also disclosed.