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:
Oct. 03, 2000
Filed:
Jun. 24, 1999
Applicant:
Inventors:
Hugo Camenzind, Bern, CH;
Paul Dubs, Fribourg, CH;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508567 ; 508459 ; 508501 ; 508550 ; 508562 ; 508569 ; 508570 ; 525350 ;
Abstract
Described are products suitable as lubricant and fuel additives which are obtainable by reacting a polyunsaturated polymer, for example polybutadiene, polyisoprene, ring-opening polymerised polycyclooctenamer or polynorbomene, with at least one enophilic compound of the groups of the dihydrocarbyidithiophosphoric acids, dihydrocarbylmonothiophosphoric acids, dihydrocarbylphosphoric acids or mercaptans.