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.

Date of Patent:
Apr. 27, 2004

Filed:

Jun. 28, 2002
Applicant:
Inventors:

Guido Wäschenbach, Oakland, NJ (US);

Harald Magg, Ladenburg, DE;

Richard Neergaard, Brussels, BE;

Enric Carbonell, Barcelona, ES;

Ralf Wiedemann, Griesheim, DE;

Assignee:

Reckitt Benckiser N.V., Hoofddorp, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/700 ;
U.S. Cl.
CPC ...
C11D 1/700 ;
Abstract

A composition for use in a dishwasher is characterized by a base composition in the form of a tablet which becomes active substantially during the main wash cycle of the dishwasher. At least one separate zone in or on the tablet is provided with a substance that becomes active substantially during the rinse cycle of the dishwasher and with at least one substance that prevents lime scale build-up in the dishwasher and/or on the washed articles. The composition further includes agents that guarantee that at least the substance that becomes active substantially during the rinse cycle of the dishwasher is at least mainly released at the beginning of the rinse cycle at the earliest.


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