Patents by Inventor William M. Kleiser

William M. Kleiser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9523061
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: December 20, 2016
    Assignees: Chevron Oronite Company LLC, Chevron U.S.A. Inc.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Patent number: 9303229
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 400 ppm of boron; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: April 5, 2016
    Assignees: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Patent number: 9193931
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 24, 2015
    Assignees: Chevron Oronite Company LLC, Chevron U.S.A. Inc.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20140106998
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: December 20, 2013
    Publication date: April 17, 2014
    Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20140106999
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.
    Type: Application
    Filed: December 20, 2013
    Publication date: April 17, 2014
    Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20140100146
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 400 ppm of boron; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: December 11, 2013
    Publication date: April 10, 2014
    Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20120145114
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 400 ppm of boron; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having, at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 14, 2012
    Applicants: CHEVRON U.S.A. INC., CHEVRON ORONITE COMPANY LLC
    Inventors: KENNETH D. NELSON, ALEXANDER B. BOFFA, WILLIAM M. KLEISER, STEPHEN D. STULTS, JAMES A. MCGEEHAN, WIM VAN DAM, RICHARD E. CHERPECK
  • Publication number: 20120145115
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 14, 2012
    Applicants: Chevron U.S.A, Inc., Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20120145116
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 14, 2012
    Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20100152073
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicants: Chevron Oronite Company LLC, Chevron U.S.A.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20100152072
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicants: Chevron Oronite Company LLC, Chevron U.S.A.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20100152074
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 400 ppm of boron; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicants: Chevron Oronite Company LLC, Chevron U.S.A.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Patent number: 6841521
    Abstract: Disclosed are methods and lubricant compositions for reducing wear in heavy-duty diesel engines. The lubricant compositions disclosed herein comprise a combination of an anti-wear effective amount of a dispersed, hydrated alkali metal borate, a neutral sulfonate and an overbased detergent composition.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: January 11, 2005
    Assignee: Chevron Oronite Company LLC
    Inventors: Alexander B. Boffa, William M. Kleiser
  • Publication number: 20040176257
    Abstract: Disclosed are methods and lubricant compositions for reducing wear in heavy-duty diesel engines. The lubricant compositions disclosed herein comprise a combination of an anti-wear effective amount of a dispersed, hydrated alkali metal borate, a neutral sulfonate and an overbased detergent composition.
    Type: Application
    Filed: March 7, 2003
    Publication date: September 9, 2004
    Inventors: Alexander B. Boffa, William M. Kleiser
  • Patent number: 6124247
    Abstract: The invention relates to the use of an effective quantity of borated compounds having the following general formula I: ##STR1## in which X is S or O, and R is a hydrocarbyl group containing at least 3 carbon atoms, in particular between 3 and 50 carbon atoms and preferably between 3 and 17 carbon atoms, as an additive improving the compatibility of a lubricating oil composition, comprising dispersants containing basic nitrogen atoms, with fluorocarbon elastomers. In a preferred fashion, the compound of general formula I is borated glycerol monooleate and the concentration of the compound of general formula I is such that the % Boron/% basic N ratio of the lubricating composition varies from 0.25 to 5.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: September 26, 2000
    Assignee: Chevron Chemical S.A.
    Inventors: Jacques Cazin, Pierre Tequi, William M. Kleiser, Peter Kleijwegt