Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328943 | Inhibition of pyrophoric iron sulfide activity | Wiley L. Parker, Alan E. Goliaszewski, Timothy S. Williams, Bernard C. Groce, Quincy K. A. Sintim | 2001-12-11 |
| 6063347 | Inhibition of pyrophoric iron sulfide activity | Quincy K. A. Sintim | 2000-05-16 |
| 5693866 | Inhibitors of color formation in alkanolamines | Quincy K. A. Sintim, J. Frederick Martin | 1997-12-02 |
| 5562816 | Tar dissolution process | — | 1996-10-08 |
| 5512243 | Cyclohexanedione oxygen scavengers | — | 1996-04-30 |
| 5416258 | Methods for inhibiting ethylenically unsaturated monomers | Graciela B. Arhancet | 1995-05-16 |
| 5391781 | Methods for dispersing sulfur in aqueous systems | Quincy K. A. Sintim | 1995-02-21 |
| 5282959 | Method for the extraction of iron from liquid hydrocarbons | Cato Russell McDaniel | 1994-02-01 |
| 5271824 | Methods for controlling fouling deposit formation in a liquid hydrocarbonaceous medium | David R. Forester | 1993-12-21 |
| 5271863 | Compositions for extracting iron species from liquid hydrocarbon systems | — | 1993-12-21 |
| 5221764 | Methods and compositions for inhibiting acrylic acid polymerization | — | 1993-06-22 |
| 5220104 | Method for the prevention of fouling in a caustic solution | Cato Russell McDaniel | 1993-06-15 |
| 5194620 | Compositions of phosphorus derivatives of polyalkenylsuccinimides | David R. Foresteer, Bruce E. Wright | 1993-03-16 |
| 5194143 | Method for inhibiting fouling in caustic scrubber systems | — | 1993-03-16 |
| 5183555 | Method for controlling fouling deposit formation in a liquid hydrocarbonaceous medium | David R. Forester | 1993-02-02 |
| 5171888 | Methods and compositions for inhibiting (meth)acrylic acid polymerization | — | 1992-12-15 |
| 5139643 | Phosphorus derivatives of polyalkenylsuccinimides and methods of use thereof | David R. Forester, Bruce E. Wright | 1992-08-18 |
| 5100532 | Selected hydroxy-oximes as iron deactivators | John Everett Martin | 1992-03-31 |
| 5078858 | Methods of extracting iron species from liquid hydrocarbons | Rosalie B. Hart | 1992-01-07 |
| 5023372 | Methods and compositions for inhibiting (meth)acrylic acid polymerization | — | 1991-06-11 |
| 4929778 | Methods and compositions for inhibiting styrene polymerization | — | 1990-05-29 |
| 4912247 | Enhancement of aromatic amine inhibition of acrylate monomer polymerization by addition of mannich products | — | 1990-03-27 |
| 4894139 | Methods for deactivating copper in hydrocarbon fluids | Dwight K. Reid, Joseph H. Y. Niu | 1990-01-16 |
| 4883580 | Methods for deactivating iron in hydrocarbon fluids | Joseph H. Y. Niu | 1989-11-28 |
| 4847415 | Methods and composition for deactivating iron in hydrocarbon fluids | Joseph H. Y. Niu | 1989-07-11 |