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. 25, 1987
Filed:
Oct. 09, 1985
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 482 ; 252 484 ; 252 496 ;
Abstract
Compounds of the formula I ##STR1## wherein R and R.sup.1 are identical or different, and are cyclohexyl or a radical ##STR2## in which R.sup.2 is hydrogen or C.sub.1 -C.sub.12 -alkyl, and R.sup.3 and R.sup.4 independently of one another are each C.sub.1 -C.sub.12 -alkyl, and the radicals R.sup.2, R.sup.3 and R.sup.4 together contain 3-20 C atoms. These compounds are suitable as high-pressure and anti-wear additives for lubricants and hydraulic fluids.