Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6030467 | Surfactant-aided removal of organics | Ernst G. Leser | 2000-02-29 | $56,170,000 |
| 5650097 | Corrosion inhibitor composition for steel | Ernest Byron Wysong, Steven Arnold Dombchik, Edward Clarkin Squire | 1997-07-22 | $204,155,000 |
| 5211250 | Method for stabilizing boreholes | Edwin Kubena, Jr., Lee E. Whitebay | 1993-05-18 | |
| 4988450 | Shale-stabilizing drilling fluid additives | Thomas S. Carter, Charles F. Palmer, Jr. | 1991-01-29 | $13,236,000 |
| 4852400 | Method and apparatus for determining physical integrity of geological strata | — | 1989-08-01 | $8,718,000 |
| 4316976 | Preparation of polyvinyl halide with quaternary salt of cellulose sulfate | — | 1982-02-23 | |
| 4271698 | Apparatus to measure plasticizer absorption in polymer powders | — | 1981-06-09 | $35,821,000 |
| 4230604 | Polymeric electrical conductance dependent upon electrical potential | — | 1980-10-28 | $35,178,000 |