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. 23, 2012
Filed:
May. 07, 2007
Bryan A. Grisso, Wickliffe, OH (US);
Mark R. Baker, Lyndhurst, OH (US);
Daniel C. Visger, Mentor, OH (US);
Marina Baum, Chagrin Falls, OH (US);
Barton J. Schober, Perry, OH (US);
Calvin A. James, Madison, OH (US);
Bryan A. Grisso, Wickliffe, OH (US);
Mark R. Baker, Lyndhurst, OH (US);
Daniel C. Visger, Mentor, OH (US);
Marina Baum, Chagrin Falls, OH (US);
Barton J. Schober, Perry, OH (US);
Calvin A. James, Madison, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
The invention provides a lubricating composition containing an oil of lubricating viscosity and polymer with pendant groups. The invention further provides for a method of controlling viscosity index by supplying to an oil of lubricating viscosity the polymer with pendant groups.