Issued Patents All Time
Showing 126–150 of 176 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866141 | Lactone modified, esterfied or aminated additives useful in oleaginous compositions and compositions containing same | Robert D. Lundberg | 1989-09-12 |
| 4866135 | Heterocyclic amine terminated, lactone modified, aminated viscosity modifiers of improved dispersancy | Robert D. Lundberg | 1989-09-12 |
| 4866140 | Lactone modified adducts or reactants and oleaginous compositions containing same | Robert D. Lundberg | 1989-09-12 |
| 4857217 | Dispersant additives derived from amido-amines | Robert D. Lundberg | 1989-08-15 |
| 4851524 | Amine-treated thio-bis-(alkyl lactone acid) and thio-bis-(hydrocarbyl diacid) materials, additives for lubricating compositions | Stanley J. Brois | 1989-07-25 |
| 4839072 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts | Robert A. Kleist | 1989-06-13 |
| 4839070 | Polyolefinic succinimide polyamine alkyl acetoacetate adduct dispersants | Robert A. Kleist | 1989-06-13 |
| 4839071 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions | Robert D. Lundberg, Robert A. Kleist, Ricardo Bloch | 1989-06-13 |
| 4839073 | Polyolefinic succinimide polyamine alkyl acetoacetate and substituted acetate adducts as compatibilizer additives in lubricating oil compositions | Jacob Emert, Robert A. Kleist, Malcolm Waddoups | 1989-06-13 |
| 4828742 | Lactone-modified, mannich base dispersant additives useful in oleaginous compositions | Robert D. Lundberg | 1989-05-09 |
| 4820432 | Lactone-modified, Mannich base dispersant additives useful in oleaginous compositions | Robert D. Lundberg | 1989-04-11 |
| 4794146 | Oil additives containing a thiocarbamyl moiety | Stanley J. Brois | 1988-12-27 |
| 4776969 | Cyclic phosphate additives and their use in oleaginous compositions | Jack Ryer, Harold E. Deen | 1988-10-11 |
| 4760170 | Solution process for preparing metal salt esters of hydrocarbyl substituted succinic acid or anhydride and alkanols | Jack Ryer, John G. Hedin, Robert A. Kleist, Stanley J. Brois | 1988-07-26 |
| 4751011 | Hydrocarbon soluble complexes based on metal salts of polyolefinic dicarboxylic acids | Robert D. Lundberg, Alan A. Schetelich, Robert R. Phillips | 1988-06-14 |
| 4717754 | Oil additives containing a thiocarbamyl moiety | Stanley J. Brois | 1988-01-05 |
| 4702850 | Power transmitting fluids containing esters of hydrocarbyl succinic acid or anhydride with thio-bis-alkanols | Stanley J. Brois, Jack Ryer, Harold E. Deen | 1987-10-27 |
| 4686054 | Succinimide lubricating oil dispersant | Max J. Wisotsky, Ricardo Bloch, Darrell W. Brownawell, Frank J. Chen | 1987-08-11 |
| 4684473 | Lubricant oil composition with improved friction reducing properties | Jan Bock, Darrell W. Brownawell, Max L. Robbins, Harold Shaub, Peter L. Steyn | 1987-08-04 |
| 4664826 | Metal salt esters of hydrocarbyl substituted succinic acid or anhydride and thio alkanols | Stanley J. Brois, Jack Ryer, Harold E. Deen | 1987-05-12 |
| 4637886 | Macrocyclic polyamine and polycyclic polyamine multifunctional lubricating oil additives | Stanley J. Brois | 1987-01-20 |
| 4632769 | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Darrell W. Brownawell, Ricardo Bloch, Jack E. Johnston | 1986-12-30 |
| 4600519 | Process for improving friction modification properties of a power transmission fluid with an alkylthio succinic acid or anhydride | Rosemary O'Halloran, Stanley J. Brois | 1986-07-15 |
| 4584386 | Alkylthiomethyl substituted mono-oxazolines | Darrell W. Brownawell, Thad O. Walker, Stanley J. Brois | 1986-04-22 |
| 4569750 | Method for inhibiting deposit formation in structures confining hydrocarbon fluids | Darrell W. Brownawell, Stanley J. Brois, Donald F. Jacques, Gary L. Behelfer, Thomas M. Ferrell +1 more | 1986-02-11 |