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:
Nov. 27, 1984
Filed:
Sep. 30, 1983
Applicant:
Inventors:
Christian Rossmann, Langenfeld, DE;
Helga Burger, Erkrath, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 90 ; 134 27 ; 134 28 ; 134 29 ; 134 40 ; 252135 ; 252136 ; 252142 ; 252156 ; 252524 ; 252527 ; 252540 ; 252D / ;
Abstract
This invention is directed to a process for cleaning solid surfaces with aqueous alkaline cleaning compositions comprising (a) strongly alkaline active-substance concentrates and (b) acidic active-substance concentrates comprising dispersions of boric acid or alkali metal borates in orthophosphoric acid. Component (a) is present in an excess over component (b) sufficient to cause an alkaline medium.