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:
Aug. 23, 1994
Filed:
Dec. 24, 1992
Bassam S Nader, Midland, MI (US);
Chester E Pawloski, Bay City, MI (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
A method for lubricating inorganic surfaces which comprises applying an aryl arenesulfonate between two inorganic surfaces in an amount sufficient to decrease the friction between the two surfaces, wherein the aryl arenesulfonate is of the formula ASO.sub.3 A, ASO.sub.3 BSO.sub.3 A, or (ASO.sub.3).sub.3 B wherein A is independently in each occurrence phenyl or substituted phenyl, wherein when A is substituted phenyl the phenyl can be substituted by halo, a ketone substituted by an aromatic group or alkyl group, alkyl, polyhaloalkyl, alkoxy, polyhaloalkoxy, aryl, aralkyl, haloaryl, aryloxy, polyhaloaryloxy, polyhaloalkylaryl, or polyhaloalkylaryloxy, and wherein B is benzene or two benzene rings connected by a divalent bridging group selected from the group consisting of C(CH.sub.3).sub.2, O, OCH.sub.2, OCH.sub.2 CH.sub.2, OCH.sub.2 CH.sub.2 O, C(CF.sub.3).sub.2, S, SO.sub.2, CO, and 9,9'-fluorene.