Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5932671 | Polymerization process | Howard F. Efner, Michael L. Stephens | 1999-08-03 |
| 5512261 | Process for removing sulfur dioxide from fluids | Jimmie J. Straw | 1996-04-30 |
| 5374709 | Production of granular poly(arylene sulfide) polymers containing reduced amounts of oligomers | Lacey E. Scoggins, Glenn F. Kile | 1994-12-20 |
| 5347018 | Process for producing sulfolane compounds | Howard F. Efner, Jimmie J. Straw | 1994-09-13 |
| 5331069 | Method of treating poly(arylene sulfide sulfone) polymers and polymers | Rex L. Bobsein | 1994-07-19 |
| 5290953 | Process for producing sulfolane compounds | Jimmie J. Straw | 1994-03-01 |
| 5290479 | Surfactant system of polyethoxylated compounds and glyceride compounds | — | 1994-03-01 |
| 5124376 | Use of phenol as rapid inverse latex inversion promoter and solution viscosity enhancer | — | 1992-06-23 |
| 5110901 | Higher molecular weight arylene sulfide resin and process for its preparation | Kenneth C. Hoover, Roy E. Reger, Lacey E. Scoggins, Afif M. Nesheiwat | 1992-05-05 |
| 4997582 | Compositions for acid treating subterranean formations | Billy L. Swanson | 1991-03-05 |
| 4906701 | Inverse emulsion polymerization | — | 1990-03-06 |
| 4838732 | Elastomeric sealing device | Stephen E. Clark | 1989-06-13 |
| 4808698 | Production of aromatic sulfide/sulfone polymers | Rex L. Bobsein | 1989-02-28 |
| 4775010 | Methods and compositions for acid treating subterranean formations | Billy L. Swanson | 1988-10-04 |
| 4764574 | Inverse emulsion polymerization with sorbitan fatty acid esters and ethoxylated alcohol | — | 1988-08-16 |
| 4753981 | Polymerization process | — | 1988-06-28 |
| 4604216 | Drilling fluids | Howard B. Irvin, G. Allan Stahl | 1986-08-05 |
| 4580592 | Float controlled separator valve | Stephen E. Clark | 1986-04-08 |
| 4548982 | Drilling fluids | Howard B. Irvin | 1985-10-22 |
| 4370252 | Emulsion polymerization process utilizing a highly dispersed organosulfur molecular weight modifier | Carl A. Uraneck | 1983-01-25 |
| 4353683 | Stirling cycle engine and fluid pump | — | 1982-10-12 |
| 4312181 | Heat engine with variable volume displacement means | — | 1982-01-26 |
| 4245072 | Emulsion polymerization process utilizing a highly dispersed organosulfur molecular weight modifier | Carl A. Uraneck | 1981-01-13 |