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:
Mar. 15, 1994
Filed:
Apr. 03, 1992
Applicant:
Inventor:
Guido Van den Brom, Maarssen, NL;
Assignee:
Unilever Patent Holdings B.V., Vlaardingen, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 90 ; 252108 ; 252134 ; 252174 ; 206-05 ;
Abstract
A fairly constant concentration of detergent product in the wash liquor in a dishwashing machine can be obtained by using a sachet containing 20-350 grams of both detergent powder and one or more solid detergent briquettes, the weight of each briquette being in the range 1-100 grams and the total weight of the briquettes being 10-200 grams. When applying this sachet the need for extra detergent dosing in between consecutive washes to compensate for the dilution effect of rinse water is eliminated. The sachet is especially useful in industrial ware washing machines.