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. 22, 2001
Filed:
Oct. 01, 1998
Applicant:
Inventors:
Helmut Blum, Duesseldorf, DE;
Peter Jeschke, Neuss, DE;
Juergen Haerer, Duesseldorf, DE;
Siglinde Erpenbach, Meerbusch, DE;
Christian Nitsch, Duesseldorf, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/26 ; C11D 3/39 ; C11D 3/395 ;
U.S. Cl.
CPC ...
C11D 3/26 ; C11D 3/39 ; C11D 3/395 ;
Abstract
Complexes of the transition metals cobalt, iron, copper, and ruthenium having at least one and preferably at least five ammonia ligands are used to activate peroxygen compounds in aqueous cleaning solutions for hard surfaces. Compositions preferably contain 0.0025% to 0.25 by weight of the activating complex.