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. 13, 1984
Filed:
Apr. 23, 1982
Applicant:
Inventors:
Helga Burger, Erkrath, DE;
Christian Rossmann, Langenfeld, DE;
Assignee:
Henkel KGaA, Duesseldorf, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C23G / ;
U.S. Cl.
CPC ...
252135 ; 134 10 ; 252117 ; 252156 ; 210708 ; 210712 ; 210727 ;
Abstract
Process for regenerating alkaline and neutral silicate-free and phosphate-free cleaning solutions that are contaminated with emulsified mineral or natural oils by (a) adding thereto an alkali metal phosphate and/or an alkali metal silicate, and then (b) adding a soluble calcium and/or magnesium salt to the resulting solution.