Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627766 | Use of phenylenediamines and hindered phenols to inhibit polymer formation during the manufacture of acrylonitrile | Marilyn W. Blaschke | 2003-09-30 |
| 6608226 | Use of phenylenediamines and hindered phenols to inhibit polymer formation during the manufacture of acrylonitrile | Marilyn W. Blaschke | 2003-08-19 |
| 5760283 | Acrolein scavengers | Glenn L. Roof | 1998-06-02 |
| 5606094 | Acrolein scavengers | Glenn L. Roof | 1997-02-25 |
| 5330970 | Composition and method for inhibiting coke formation and deposition during pyrolytic hydrocarbon processing | Daniel E. Fields | 1994-07-19 |
| 5282957 | Methods for inhibiting polymerization of hydrocarbons utilizing a hydroxyalkylhydroxylamine | Bruce E. Wright, Carl E. Weaver | 1994-02-01 |
| 5221462 | Methods for retarding coke formation during pyrolytic hydrocarbon processing | Daniel E. Fields | 1993-06-22 |
| 5221461 | Antioxidant compositions and methods using catechol compounds and organic acid compounds | Inge K. Henrici | 1993-06-22 |
| 5221498 | Methods and compositions for inhibitoring polymerization of vinyl monomers | Rosalie B. Hart | 1993-06-22 |
| 5197996 | Methods and compositions for color stabilized distillate fuel oils | Spencer S. Awbrey | 1993-03-30 |
| 5158667 | Methods for inhibiting fouling in fluid catalytic cracking units | Raymon Barlow | 1992-10-27 |
| 5158666 | Use of 1-(2-aminoethyl) piperazine to inhibit heat exchange fouling during the processing of hydrocarbons | — | 1992-10-27 |
| 5154817 | Method for inhibiting gum and sediment formation in liquid hydrocarbon mediums | — | 1992-10-13 |
| 5128022 | Antioxidant compositions and methods using p-phenylenediamine compounds and organic acid compounds | — | 1992-07-07 |
| 5128023 | Method for inhibiting coke formation and deposiiton during pyrolytic hydrocarbon processing | Daniel E. Fields | 1992-07-07 |
| 5114436 | Process and composition for stabilized distillate fuel oils | — | 1992-05-19 |
| 5093032 | Use of boron containing compounds and dihydroxybenzenes to reduce coking in coker furnaces | Daniel E. Fields | 1992-03-03 |
| 5039391 | Use of boron containing compounds and dihydroxybenzenes to reduce coking in coker furnaces | Daniel E. Fields | 1991-08-13 |
| 4981495 | Methods for stabilizing gasoline mixtures | — | 1991-01-01 |
| 4941968 | Method for inhibiting gum formation in liquid hydrocarbon mediums | — | 1990-07-17 |
| 4896070 | VCR cabinet | Glen T. Balusek | 1990-01-23 |
| 4894139 | Methods for deactivating copper in hydrocarbon fluids | Paul V. Roling, Joseph H. Y. Niu | 1990-01-16 |
| 4840720 | Process for minimizing fouling of processing equipment | — | 1989-06-20 |
| 4822378 | Process and composition for color stabilized distillate fuel oils | — | 1989-04-18 |
| 4810354 | Bifunctional antifoulant compositions and methods | Paul V. Roling, Joseph H. Y. Niu | 1989-03-07 |