Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562904 | Polyalkene-substituted carboxylic acid compositions having reduced chlorine content | Geraldo Barini, Sanjeev Sharma, Jeremy Spencer, Michael Minotti, Antonio Gutierrez +1 more | 2003-05-13 |
| 6495496 | Hydroxy aromatic mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions | Antonio Gutierrez, Mark G. Stevens, Ricardo Bloch | 2002-12-17 |
| 5759967 | Ethylene .alpha.-olefin/diene interpolymer-substituted carboxylic acid dispersant additives | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Robert D. Lundberg +1 more | 1998-06-02 |
| 5681799 | Ethylene alpha-olefin/diene interpolymer-substituted carboxylic acid dispersant additives | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Robert D. Lundberg +1 more | 1997-10-28 |
| 5435926 | Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives | Antonio Gutierrez, Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr. +1 more | 1995-07-25 |
| 5433874 | Ethylene .alpha.-olefin copolymer substituted mannich base lubricant dispersant additives | Won R. Song, Robert D. Lundberg, Antonio Gutierrez | 1995-07-18 |
| 5433757 | Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Robert D. Lundberg +1 more | 1995-07-18 |
| 5382698 | Borated ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives | Won R. Song, Robert D. Lundberg, Antonio Gutierrez | 1995-01-17 |
| 5350532 | Borated ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Robert D. Lundberg +1 more | 1994-09-27 |
| 5345002 | Ethylene alpha-olefin copolymer substituted hydroxy aromatic compounds | Won R. Song, Robert D. Lundberg, Antonio Gutierrez | 1994-09-06 |
| 5296560 | Ashless dispersants | Antonio Gutierrez, Robert D. Lundberg | 1994-03-22 |
| 5277833 | Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid lubricant dispersant additives | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Robert D. Lungberg +1 more | 1994-01-11 |
| 5266223 | Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives | Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Jr., Robert D. Lundberg +1 more | 1993-11-30 |
| 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., Robert D. Lundberg +1 more | 1993-07-20 |
| 5225091 | Ethylene alpha-olefin polymer substituted thiocarboxylic acid lubricant dispersant additives | Antonio Gutierrez, Won R. Song, Robert D. Lundberg | 1993-07-06 |
| 5219480 | Ethylene alpha-olefin Mannich Base viscosity index improver/dispersant additives derived from amino phenols and monosecondary amines | Antonio Gutierrez, Ricardo Bloch | 1993-06-15 |
| 5213698 | Amido-amine ashless dispersants | Antonio Gutierrez, Robert D. Lundberg | 1993-05-25 |
| 5200103 | Ethylene alpha-olefin copolymer substituted Mannich base lubricant dispsersant additives | Won R. Song, Robert D. Lunberg, Antonio Gutierrez | 1993-04-06 |
| 5186851 | Ethylene alpha-olefin copolymer substituted mannich base lubricant dispersant additives | Antonio Gutierrez, Won R. Song, Robert D. Lundberg | 1993-02-16 |
| 5128056 | Ethylene alpha-olefin copolymer substituted amino phenol mannich base lubricant dispersant additives | Antonio Gutierrez, Won R. Song, Robert D. Lundberg | 1992-07-07 |
| 5017299 | Novel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives | Antonio Gutierrez, Won R. Song, Robert D. Lundberg | 1991-05-21 |
| 4906252 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in fuel oil compositions | Antonio Gutierrez, Robert D. Lundberg, Ricardo Bloch | 1990-03-06 |
| 4839070 | Polyolefinic succinimide polyamine alkyl acetoacetate adduct dispersants | Antonio Gutierrez | 1989-06-13 |
| 4839071 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions | Antonio Gutierrez, Robert D. Lundberg, Ricardo Bloch | 1989-06-13 |
| 4839072 | Polyolefinic succinimide polyamine alkyl acetoacetate adducts | Antonio Gutierrez | 1989-06-13 |