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. 22, 2008
Filed:
Mar. 10, 2004
John T. Loper, Richmond, VA (US);
Paul G. Griffin, Glen Allen, VA (US);
David A. Hutchison, Powhatan, VA (US);
Robert T. Dittmeier, Richmond, VA (US);
John T. Loper, Richmond, VA (US);
Paul G. Griffin, Glen Allen, VA (US);
David A. Hutchison, Powhatan, VA (US);
Robert T. Dittmeier, Richmond, VA (US);
Afton Chemical Corporation, Richmond, VA (US);
Abstract
A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar ratio of aliphatic polyamine to aromatic polyamine in the mixture ranges from about 10:0.1 to about 0.1:10. The amination product contains at least about 0.1 molar equivalent of the polyamine mixture to 1 molar equivalent of the hydrocarbyl substituted succinic acylating agent.