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. 08, 1983
Filed:
Dec. 01, 1980
Applicant:
Inventors:
Hans S Keil, deceased, late of Marl, DE;
Helmut Alfs, Marl, DE;
Klaus Schulze, Haltern-Lippramsdorf, DE;
Assignee:
Chemische Werke Huels Aktiengesellschaft, Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; C23F / ; C23F / ;
U.S. Cl.
CPC ...
252 75 ; 252 76 ; 252 77 ; 2523 / ; 252392 ; 422 13 ; 422 16 ; 422 17 ;
Abstract
A corrosion inhibited composition comprises an aqueous drilling, cutting, or polishing agent, an aqueous hydraulic fluid or an aqueous antifreeze compound; and an alkali metal salt, or an aliphatic amine salt of a mixture of 2- and 3-C.sub.6-12 -alkyladipic acids, the amount of this acid component being effective as a corrosion inhibitor.