Ruhe, Jr.; William R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ruhe, Jr.; William R..The latest application filed is for "preparation of a sulfurized molybdenum amide complex and additive compositions having low residual active sulfur".

Company Profile

0.32.5

Ruhe, Jr.; William R. - Benicia CA
Ruhe, Jr.; William R. - Benecia CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Lubricating oil additive composition and method of making the same Grant 8,455,568 - Ruhe, Jr. June 4, 2	2013-06-04
Preparation of a sulfurized molybdenum amide complex and additive compositions having low residual active sulfur Grant 8,183,189 - Chen , et al. May 22, 2	2012-05-22
Reduced color molybdenum-containing composition and a method of making same Grant 8,076,275 - Ruhe, Jr. , et al. December 13, 2	2011-12-13
Lubricating oil additive composition and method of making the same Grant 8,067,347 - Ruhe, Jr. , et al. November 29, 2	2011-11-29
Lubricating oil additive composition and method of making the same Grant 7,928,044 - Stokes , et al. April 19, 2	2011-04-19
Preparation Of A Sulfurized Molybdenum Amide Complex And Additive Compositions Having Low Residual Active Sulfur App 20110077180 - Chen; Qunlai ; et al.	2011-03-31
Lubricating oil additive composition and method of making the same Grant 7,858,566 - Ruhe, Jr. , et al. December 28, 2	2010-12-28
Lubricating oil additive composition and method of making the same Grant 7,820,604 - Ruhe, Jr. , et al. October 26, 2	2010-10-26
Lubricating oil additive composition and method of making the same Grant 7,820,605 - Stokes , et al. October 26, 2	2010-10-26
Lubricating oil additive composition and method of making the same Grant 7,816,309 - Stokes , et al. October 19, 2	2010-10-19
Lubricating oil additive composition and method of making the same Grant 7,745,541 - Ruhe, Jr. , et al. June 29, 2	2010-06-29
Lubricating oil additive composition and method of making the same Grant 7,745,542 - Ruhe, Jr. , et al. June 29, 2	2010-06-29
Lubricating Oil Additive Composition And Method Of Making The Same App 20100160192 - Ruhe, JR.; William R.	2010-06-24
Friction Modifiers And/or Wear Inhibitors Derived From Hydrocarbyl Amines And Cyclic Carbonates App 20100160198 - Ruhe, JR.; William R.	2010-06-24
Lubricating Oil Additive Composition And Method Of Making The Same App 20090270531 - Ruhe, JR.; William R.	2009-10-29
Lubricating Oil Additive Composition And Method Of Making The Same App 20080113888 - Ruhe, Jr.; William R. ; et al.	2008-05-15
Process for preparing polyalkenylsuccinimides Grant 7,091,306 - Heddadj , et al. August 15, 2	2006-08-15
Reduced color molybdenum-containing composition and a method of making same Grant 6,962,896 - Ruhe, Jr. , et al. November 8, 2	2005-11-08
Process for reduced crude sediment in metal salts of hydrocarbyl dithiophosphoric acid Grant 6,958,409 - Ruhe, Jr. October 25, 2	2005-10-25
Polymeric dispersants prepared from copolymers of low molecular weight polyisobutene and unsaturated acidic reagent Grant 6,906,011 - Harrison , et al. June 14, 2	2005-06-14
Process for making polyalkylene/maleic anhydride copolymer Grant 6,617,396 - Harrison , et al. September 9, 2	2003-09-09
Polyalkylene succinimides and post-treated derivatives thereof Grant 6,358,892 - Harrison , et al. March 19, 2	2002-03-19
Lubricating oils having carbonated sulfurized metal alkyl phenates and carbonated metal alkyl aryl sulfonates Grant 6,294,506 - Friesen , et al. September 25, 2	2001-09-25
Process for making polyalkenyl derivative of an unsaturated acidic reagent Grant 6,156,850 - Harrison , et al. December 5, 2	2000-12-05
Fuel compositions having polyalkylene succinimides and preparation thereof Grant 5,853,434 - Harrison , et al. December 29, 1	1998-12-29
Dispersant compositions having polyalkylene succinimides Grant 5,851,965 - Harrison , et al. December 22, 1	1998-12-22
Post-treated derivatives of polyalkylene succinimides Grant 5,849,676 - Harrison , et al. December 15, 1	1998-12-15
Polyalkylene succinimides and post-treated derivatives thereof Grant 5,716,912 - Harrison , et al. February 10, 1	1998-02-10
Two-step thermal process for the preparation of alkenyl succinic anhydride Grant 5,625,004 - Harrison , et al. April 29, 1	1997-04-29
Polymeric dispersants having polyalkylene and succinic groups Grant 5,616,668 - Harrison , et al. April 1, 1	1997-04-01
Polymeric dispersants having polyalkylene and succinic groups Grant 5,565,528 - Harrison , et al. October 15, 1	1996-10-15
Chlorine-free lubricating oils having modified high molecular weight succinimides Grant 5,356,552 - Harrison , et al. * October 18, 1	1994-10-18
Modified high molecular weight succinimides Grant 5,334,321 - Harrison , et al. August 2, 1	1994-08-02
One-step process for the preparation of alkenyl succinic anhydride Grant 5,319,030 - Harrison , et al. June 7, 1	1994-06-07
Two-step free radical catalyzed process for the preparation of alkenyl succinic anhydride Grant 5,286,799 - Harrison , et al. February 15, 1	1994-02-15
Process for preparing polymeric dispersants having alternating polyalkylene and succinic groups Grant 5,175,225 - Ruhe, Jr. December 29, 1	1992-12-29

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