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:
Mar. 13, 1979
Filed:
Sep. 17, 1976
Applicant:
Inventors:
Gerald J Jayne, Wokingham, GB;
Herbert F Askew, Wokingham, GB;
Assignee:
Edwin Cooper and Company Limited, Bracknell, GB;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C10M / ;
U.S. Cl.
CPC ...
2603 / ; 2603 / ; 2603 / ; 2603 / ; 2603 / ;
Abstract
New compounds are derived from intra-molecular and inter-molecular, in the case of a polymer, sulphur bridged hydrocarbon rings of 12 carbon atoms. The hydrocarbon ring is preferably 1,5,9-cyclododecatriene. The compound also contains the residue of a dithiophosphoric acid containing two organic moieties. The new compounds are useful in major or minor amounts in lubricating oil compositions. The lubricating oil may be a hydraulic oil. The composition may also contain other conventional lubricant additives.