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. 10, 1981
Filed:
Apr. 13, 1979
Applicant:
Inventors:
Colin J Harrington, Reading, GB;
Herbert F Askew, Pamber Heath, GB;
Assignee:
Castrol Limited, Wiltshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
556402 ; 252 496 ; 252 783 ; 252573 ;
Abstract
Novel compounds of the general formula: ##STR1## wherein: (a) each R.sup.1 is a hydrocarbyl group, or a group of the formula: ##STR2## and each R.sup.1 may be the same as, or different from, any other group R.sup.1.