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. 25, 1986
Filed:
May. 04, 1984
Applicant:
Inventors:
Juergen Geke, Duesseldorf, DE;
Bernd Stedry, Kempen, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252135 ; 252156 ; 25217416 ; 25217418 ; 25217421 ; 252527 ; 252D / ; 252D / ; 134-2 ; 134 39 ; 134 40 ;
Abstract
Compositions and processes for cleaning and passivating metals wherein the cleaning operation is carried out at temperatures of from room temperature to 100.degree. C. and said compositions are aqueous solutions containing a phosphoric acid ester, an alkanolamine, at least one sprayable surfactant and, optionally, builders, non-ferrous metal inhibitors, and/or biocides.