Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597506 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives | Roger K. Nibert, Jack Ryer, Raymond F. Watts | 1997-01-28 |
| 5585030 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives | Roger K. Nibert, Jack Ryer, Raymond F. Watts | 1996-12-17 |
| 5585031 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives | Roger K. Nibert, Jack Ryer, Raymond F. Watts | 1996-12-17 |
| 5582761 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives | Roger K. Nibert, Jack Ryer, Raymond F. Watts | 1996-12-10 |
| 5520831 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives | Roger K. Nibert, Jack Ryer, Raymond F. Watts | 1996-05-28 |
| 5484543 | Amide containing friction modifier for use in power transmission fluids | John E. Chandler, Antonio Gutierrez, Jack Ryer, Yasuhiko Yoneto, Raymond F. Watts +1 more | 1996-01-16 |
| 5443744 | Non silicone aggresive alkyl phosphates as lubrication oil additives | Antonio Gutierrez, Jack Ryer, Raymond F. Watts, Craig W. Gleason | 1995-08-22 |
| 5282990 | Synergistic blend of amine/amide and ester/alcohol friction modifying agents for improved fuel economy of an internal combustion engine | Yasuhiko Yoneto, Jack Ryer, Harold E. Bachman, Harold Shaub | 1994-02-01 |
| 5219480 | Ethylene alpha-olefin Mannich Base viscosity index improver/dispersant additives derived from amino phenols and monosecondary amines | Antonio Gutierrez, Robert A. Kleist | 1993-06-15 |
| 5006608 | Catalytic process for oxidative, shear accelerated polymer degradation | John B. Gardiner, Anthony A. Loffredo, Nicholas C. Nahas, Keith U. Ingold, Theodore V. Kowalchyn | 1991-04-09 |
| 4906252 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in fuel oil compositions | Antonio Gutierrez, Robert D. Lundberg, Robert A. Kleist | 1990-03-06 |
| 4900461 | Viscosity modifier polymers (E-98) | Gary Ver Strate, Mark J. Struglinski, John E. Johnston, Roger K. West | 1990-02-13 |
| 4839071 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions | Antonio Gutierrez, Robert D. Lundberg, Robert A. Kleist | 1989-06-13 |
| 4804794 | Viscosity modifier polymers | Gary Ver Strate, Mark J. Struglinski, John E. Johnston, Roger K. West | 1989-02-14 |
| 4737301 | Polycyclic thiophene lubricating oil additive and method of reducing coking tendencies of lubricating oils | Ghazi B. Dickakian | 1988-04-12 |
| 4686054 | Succinimide lubricating oil dispersant | Max J. Wisotsky, Darrell W. Brownawell, Frank J. Chen, Antonio Gutierrez | 1987-08-11 |
| 4632769 | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Antonio Gutierrez, Darrell W. Brownawell, Jack E. Johnston | 1986-12-30 |
| 4557847 | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Antonio Gutierrez, Darrell W. Brownawell | 1985-12-10 |
| 4532062 | Additive for power transmission shift fluids | Jack Ryer, Harold E. Deen | 1985-07-30 |
| 4517104 | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Thomas J. McCrary, Darrell W. Brownawell | 1985-05-14 |
| 4507515 | Lubricating oil compositions containing ethylene-alpha-olefin polymers of controlled sequence distribution and molecular heterogeneity | John E. Johnston, Gary Ver Strate, W. R. Song | 1985-03-26 |
| 4369118 | Process of inhibiting haze in lubricating oil compositions | Jack Ryer | 1983-01-18 |