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:
Apr. 20, 2010
Filed:
Dec. 09, 2004
Joseph S. Bradley, Midlothian, VA (US);
Michael A. Danylo, Midlothian, VA (US);
Yoon Soo Song, Richmond, VA (US);
Anthony F. Fagan, Chesterfield, VA (US);
Joseph S. Bradley, Midlothian, VA (US);
Michael A. Danylo, Midlothian, VA (US);
Yoon Soo Song, Richmond, VA (US);
Anthony F. Fagan, Chesterfield, VA (US);
Afton Chemical Corporation, Richmond, VA (US);
Abstract
A novel highly grafted, functionalized olefin polymer is provided comprising the reaction product of a method comprising reacting an acylating agent with a mixture comprising an olefin polymer having a number average molecular weight of between about 5,000 to about 100,000 and a diluent in the presence of a free radical initiator to provide an acylated olefin polymer which is further reacted with a polyamine to provide the grafted functionalized olefin polymer dispersant. Lubricating oil concentrates and compositions containing the highly grafted, functionalized olefin polymer and uses thereof also are provided.