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:
Aug. 04, 2015
Filed:
May. 11, 2012
Applicants:
Nicole Graf, Sinsheim, DE;
Karlheinz Ulrich Gerhard Hahn, Ludwigshafen, DE;
Inventors:
Nicole Graf, Sinsheim, DE;
Karlheinz Ulrich Gerhard Hahn, Ludwigshafen, DE;
Assignee:
RECKITT BENCKISER N.V., Hoofddorp, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/37 (2006.01); C11D 3/30 (2006.01);
U.S. Cl.
CPC ...
C11D 3/3765 (2013.01); C11D 3/30 (2013.01); C11D 3/3723 (2013.01); C11D 3/3769 (2013.01);
Abstract
The present invention provides the use of a composition comprising a polyalkyleneimine and/or salts or derivative thereof and an amphoteric polymer for the prevention of corrosion of non-metallic in organic items during a washing or rinsing process, in particular during an automatic dishwashing process.