Barton J Schober

7790661, Sep 7, 2010

Jul 29, 2005

11/192653

Michael J. Covitch - Cleveland Heights OH, US
John K. Pudelski - Cleveland Heights OH, US
Christopher Friend - Bobbersmill, GB
Matt D. Gieselman - Willoughby Hills OH, US
Renee A. Eveland - Concord Township OH, US
Mary Galic Raguz - Mentor OH, US
Barton J. Schober - Perry OH, US

The Lubrizol Corporation - Wickliffe OH

C10M 149/14

508528

Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.

7960320, Jun 14, 2011

Aug 18, 2010

12/858464

Michael J. Covitch - Cleveland Heights OH, US
John K. Pudelski - Cleveland Heights OH, US
Christopher Friend - Bobbersmill, GB
Matt D. Gieselman - Willoughby Hills OH, US
Renee A. Eveland - Concord Township OH, US
Mary Galic Raguz - Mentor OH, US
Barton J. Schober - Perry OH, US

The Lubrizol Corporation - Wickliffe OH

C10M 133/38
C10M 133/44
C10M 133/50

508221, 508231, 508232, 508243, 508250, 508269, 508454, 508457

Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.

8012917, Sep 6, 2011

Nov 6, 2007

12/447999

John R. Johnson - Euclid OH, US
Daniel C. Visger - Mentor OH, US
Marina Baum - Chagrin Falls OH, US
Barton J. Schober - Perry OH, US
Ying Wang - Hudson OH, US

The Lubrizol Corporation - Wickliffe OH

C10M 145/14

508452, 508454, 508457, 508469, 508470, 508471

The present invention provides a lubricating composition comprising: (a) an oil of lubricating viscosity; and (b) a crosslinked polymer derived from monomers comprising: (i) 0. 001 wt % to 7 wt % of a di- or higher functional crosslinking monomer; (ii) 30 wt % or higher of a hydrocarbyl-substituted (meth)acrylic monomer, wherein each hydrocarbyl contains greater than 8 carbon atoms; and (iii) 0 wt % to 40 wt % of a hydrocarbyl-substituted (meth)acrylic monomer, wherein each hydrocarbyl contains 8 or fewer carbon atoms. The invention further provides a method of preparing the crosslinked polymer and its use in a lubricating composition for lubricating an internal combustion engine.

8093191, Jan 10, 2012

Dec 14, 2006

12/096912

Mohamed G. Fahmy - Eastlake OH, US
Daniel C. Visger - Mentor OH, US
Barton J. Schober - Perry OH, US
Brent R. Dohner - Concord OH, US
Patrick E. Moster - Bay Village OH, US
Jody A. Kocsis - Chagrin Falls OH, US
Isao Nakagawa - Kanagawa-ken, JP

The Lubrizol Corporation - Wickliffe OH

C10M 145/14
C10L 1/22
C10M 145/04

508470, 508469, 508471

A lubricant composition comprising an oil of lubricating viscosity, an amino-functionalized acrylic or methacrylic-containing polymer, comprising about 2 percent to about 8 percent by weight of an amine moiety bearing a tertiary amino group, attached to said polymer through an ester, amide, or imide linkage; and a nitrogen-containing dispersant, provides reduced friction to an internal combustion engine and improved fuel economy.

8168574, May 1, 2012

Apr 18, 2005

11/568051

Daniel Visger - Mentor OH, US
Daniel Vargo - Willoughby OH, US
Barton Schober - Perry OH, US
Suzanne Patterson - Seven Hills OH, US
Patrick E Mosier - Bay Village OH, US
Christopher Friend - Bobbersmill, GB
John Pudelski - Cleveland Heights OH, US
Michael J Covitch - Cleveland Heights OH, US
Calvin James - Madison OH, US
David Price - Littleover, GB
Leonard E Orzech - San Antonio TX, US

The Lubrizol Corporation - Wickliffe OH

C08F 8/00
C08F 8/32
C08F 20/34
C08C 19/22
C10M 133/00

508500, 508296, 5253261, 525379, 525375, 525376, 526310, 526311, 526259, 526272

An interpolymer composition comprising monomer-derived units of (i) at least one of an aliphatic olefin containing from 2 to 30 carbon atoms and a vinyl aromatic monomer, and (ii) at least one alpha, beta-unsaturated acylating agent; wherein a portion of said acylating agent monomers is esterified and wherein a portion of said acylating agent monomers is condensed with at least one aromatic amine, provides good viscosity modification and dispersancy performance.

8293689, Oct 23, 2012

May 7, 2007

12/299847

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

C10M 145/14
C10M 137/08
C10M 133/06

508469, 508379, 508443, 508545, 5263297

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.

8513172, Aug 20, 2013

Oct 21, 2005

11/577769

Marina Baum - Bainbridge Township OH, US
Barton J. Schober - Perry OH, US
Mark Davies - Belper, GB
Daniel C. Visger - Mentor OH, US
John R. Johnson - Euclid OH, US

The Lubrizol Corporation - Wickliffe OH

C10M 145/14

508469

The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerization inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer.

20050261142, Nov 24, 2005

May 18, 2004

10/848175

Bryan Grisso - Wickliffe OH, US
James Vinci - Mayfield Heights OH, US
Barton Schober - Perry OH, US
Daniel Visger - Mentor OH, US

The Lubrizol Corporation, a corporation of the State of Ohio - Wickliffe OH

C10M141/10

508192000, 508322000, 508436000, 508466000, 508469000, 508470000, 508471000, 508591000

The present invention provides a composition containing: (a) an oil of lubricating viscosity; (b) an amine salt of a phosphorus compound; (c) a compound selected from the group consisting of: 1) a polymeric dispersant viscosity modifier wherein the polymeric dispersant viscosity modifier excludes copolymers derived from (a) a nitrogen containing monomer; and (b) methacrylic acid esters containing from about 9 to about 25 carbon atoms in the ester group; 2) a polymeric dispersant viscosity modifier, a borated dispersant; and a sulphurised olefin; and 3) mixtures thereof. The invention further provides a process for preparing the composition and a method for improving oxidation cleanliness of surface.