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. 28, 2019
Filed:
Jul. 31, 2015
Applicant:
Reckitt Benckiser N.v., Hoofddorp, NL;
Inventors:
Nicole Graf, Sinsheim, DE;
Karlheinz Ulrich Gerhard Hahn, Ludwigshafen, DE;
Assignee:
RECKITT BENCKISER FINISH B.V., Hoofddorp, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/00 (2006.01); C11D 3/37 (2006.01); C11D 17/04 (2006.01); C11D 11/00 (2006.01); C11D 3/30 (2006.01);
U.S. Cl.
CPC ...
C11D 3/3765 (2013.01); C11D 3/0073 (2013.01); C11D 3/30 (2013.01); C11D 3/3723 (2013.01); C11D 3/3769 (2013.01); C11D 3/3796 (2013.01); C11D 11/0023 (2013.01); C11D 11/0035 (2013.01); C11D 17/042 (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 inorganic items during a washing or rinsing process, in particular during an automatic dishwashing process.