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:
May. 28, 1991
Filed:
Dec. 01, 1989
Thomas F Derosa, Passaic, NJ (US);
Benjamin J Kaufman, Hopewell Junction, NY (US);
Rosemary J Jennejahn, Nelsonville, NY (US);
Texaco Inc., White Plains, NY (US);
Abstract
An additive composition containing pendant perfluoroaliphatic urethanes within a copolymer prepared from ethylene and propylene or an ethylene-propylene terpolymer containing non-conjugated diene or triene comprising from about 15 to 80 mole percent of ethylene, 85 to 15 mole percent propylene and from about 20 to 85 mole percent of the (C.sub.3 -C.sub.10) alphamonoolefin and having a number average molecular weight ranging from about 5,000 to 500,000 which has been reacted with at least one isocyanoacrylate agent to form one or more acrylating reaction intermediates characterized by having a pendant isocyano function within their structure and reacting said reaction intermediate with a perfluoroaliphatic alcohol and a lubricating oil composition containing same are provided.