Issued Patents All Time
Showing 51–75 of 234 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278241 | Amino-substituted polymers containing graft polymer segments derived from aromatic nitrogen-containing monomers | Abhimanyu O. Patil, Sudhin Datta | 1994-01-11 |
| 5275747 | Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition | Antonio Gutierrez, Won R. Song | 1994-01-04 |
| 5275748 | Polyanhydride modified adducts or reactants and oleaginous compositions containing same | Jacob Emert, Antonio Gutierrez | 1994-01-04 |
| 5273668 | Oil soluble dispersant additives modified with bis-keto/thioketo compounds | Jacob Emert, Antonio Gutierrez | 1993-12-28 |
| 5273671 | Multifunctional viscosity index improver-dispersant antioxidant | Abhimanyu O. Patil | 1993-12-28 |
| 5271856 | Heterocyclic nitrogen compound Mannich base derivatives of amino-substituted polymers for oleaginous compositions | Abhimanyu O. Patil, Sudhin Datta | 1993-12-21 |
| 5268115 | Alkyl-substituted hydroxyaromatic compounds useful as a multifunctional viscosity index improver | Antonio Gutierrez, Won R. Song | 1993-12-07 |
| 5266223 | Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Antonio Gutierrez +1 more | 1993-11-30 |
| 5259968 | Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product | Jacob Emert, Antonio Gutierrez | 1993-11-09 |
| 5256325 | Polyanhydride modified adducts or reactants and oleaginous compositions containing same | Jacob Emert, Antonio Gutierrez | 1993-10-26 |
| 5252238 | Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties | David Yen-Lung Chung, Antonio Gutierrez, John E. Johnston, Mark J. Struglinski | 1993-10-12 |
| 5238466 | Fuel additives derived from amido-amines | Antonio Gutierrez | 1993-08-24 |
| 5232615 | Heterocyclic nitrogen compound Mannich base derivatives of polyolefin-substituted amines for oleaginous compositions | Abhimanyu O. Patil | 1993-08-03 |
| 5230834 | Viscosity stable multifunctional viscosity index modifier additives derived from amido amines | Antonio Gutierrez | 1993-07-27 |
| 5230817 | Polyanhydride modified adducts or reactants and oleaginous compositions containing same | Jacob Emert, Antonio Gutierrez | 1993-07-27 |
| 5229022 | Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920) | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Antonio Gutierrez +1 more | 1993-07-20 |
| 5229020 | Branched amido-amine dispersant additives | Antonio Gutierrez | 1993-07-20 |
| 5225091 | Ethylene alpha-olefin polymer substituted thiocarboxylic acid lubricant dispersant additives | Antonio Gutierrez, Won R. Song, Robert A. Kleist | 1993-07-06 |
| 5217634 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same | Jacob Emert, Antonio Gutierrez | 1993-06-08 |
| 5213698 | Amido-amine ashless dispersants | Antonio Gutierrez, Robert A. Kleist | 1993-05-25 |
| 5211865 | Multifunctional viscosity index improver-dispersant antioxidant | Abhimanyu O. Patil | 1993-05-18 |
| 5205947 | Dispersant additives comprising amine adducts of dicarboxylic acid monoepoxy thiol reaction products | Jacob Emert | 1993-04-27 |
| 5186851 | Ethylene alpha-olefin copolymer substituted mannich base lubricant dispersant additives | Antonio Gutierrez, Won R. Song, Robert A. Kleist | 1993-02-16 |
| 5158696 | Oil soluble dispersant additives modified with bis-keto/thioketo compounds | Jacob Emert, Antonio Gutierrez | 1992-10-27 |
| 5128056 | Ethylene alpha-olefin copolymer substituted amino phenol mannich base lubricant dispersant additives | Antonio Gutierrez, Won R. Song, Robert A. Kleist | 1992-07-07 |