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:
Oct. 08, 2002
Filed:
Jul. 26, 2000
Applicant:
Inventors:
Lucio Pieroni, Cincinnati, OH (US);
Peter Robert Foley, Cincinnati, OH (US);
Lynda Anne Speed, Newcastle upon Tyne, GB;
Xiaoqing Song, West Chester, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/700 ; B08B 9/20 ;
U.S. Cl.
CPC ...
C11D 1/700 ; B08B 9/20 ;
Abstract
A multi-layered detergent tablet comprising: a) a core having a first detergent active agent; b) a first encapsulating layer surrounding said core, having a second detergent active agent; c) a second encapsulating layer surrounding said first encapsulating layer, having a third detergent active agent and a disruption system; wherein disruption of said second encapsulating layer is such that at least 25% of said third detergent active agent is released prior to release of said second detergent active agent.