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. 01, 2001
Filed:
May. 26, 1999
Applicant:
Inventors:
Christian Nitsch, Duesseldorf, DE;
Rainer Jeschke, Duesseldorf, DE;
Assignee:
Henkel Kommandigesellschaft auf Aktien, Duesseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/395 ; C11D 1/62 ;
U.S. Cl.
CPC ...
C11D 3/395 ; C11D 1/62 ;
Abstract
A method for washing dishes containing colored soil is presented involving contacting the dish surface with a dishwashing detergent containing a peroxygen compound and an activator compound of the formula R,R,R,N,CH,CN X,where R,, R,and R,independently of one another represent an alkyl, alkenyl or aryl group containing 1 to 18 carbon atoms, and wherein R,and R,may be part of a heterocycle including the N atom, and X is an anion, to form an aqueous dishwashing detergent. The method is useful for washing colored stains from crockery and cutlery, and is effective at temperatures below 80° C.