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:
Jun. 11, 1991
Filed:
Nov. 22, 1989
Applicant:
Inventors:
Lawrence V Gallacher, Norwalk, CT (US);
Alfen J Gustavsen, Ballwin, MO (US);
Robert L Kugel, Norwalk, CT (US);
Assignee:
King Industries, Inc., Norwalk, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
25238952 ; 25238961 ; 25238962 ; 252 332 ; 252 75 ; 252387 ; 252396 ; 252 18 ; 252 40 ; 252 333 ;
Abstract
A concentrate composition is disclosed which comprises (a) a blend of (i) a metal sulfonate and (ii) an alkali or alkaline earth metal or zinc salt of a carboxylic acid and (b) a carrier. The composition is useful as a rust- and corrosion-inhibitor in a petroleum or synthetic base medium and is capable of maintaining metal sulfonate content at temperatures greater than 150.degree. C., e.g., 200.degree. C., for 20 hours.