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:
Jul. 14, 1998
Filed:
Feb. 06, 1996
Applicant:
Inventor:
David J Moreton, Hull, GB;
Assignee:
BP Chemicals (Additives) Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ; C07C / ;
U.S. Cl.
CPC ...
508580 ; 568609 ; 568631 ; 568632 ; 568633 ; 568640 ; 568644 ;
Abstract
A compound comprised of a moiety derived from an organic nitrogen-containing base and a calixarene moiety in which the hydroxyl substituent (or substituents) is (are) substituted by oligoether chains. Typically, the compounds are complexes of the formula (I): ##STR1## wherein Y is a divalent bridging group; R.sup.3 is hydrogen, hydrocarbyl or a hetero-substituted hydrocarbyl group;
Moreton, David. (1998). Ash-free detergents their preparation and use in lubricating oil (U.S. Patent No. 5780403). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5780403
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile