Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7592495 | Compositions of Group II and/or Group III base oils and alkylated fused and/or polyfused aromatic compounds | Edward T. Hessell, Richard A. Abramshe | 2009-09-22 |
| 5169564 | Thermooxidatively stable compositions | Alfen J. Gustavsen, Robert L. Kugel | 1992-12-08 |
| 5133900 | Thermooxidatively stable compositions | Alfen J. Gustavsen, Robert L. Kugel | 1992-07-28 |
| 5023016 | Thermally stable sulfonate compositions | Alfen J. Gustavsen, Robert L. Kugel | 1991-06-11 |
| 5023367 | Linear, low-molecular-weight polyester-based polyol | Leonard J. Calbo, Jr. | 1991-06-11 |
| 4943656 | Process for the production of polyalkylaromatic polysulfonic acids and recovery by heavy phase separation | Harry N. Condos | 1990-07-24 |
| 4922002 | Linear, low-molecular-weight polyester-based polyol | Leonard J. Calbo, Jr. | 1990-05-01 |
| 4902821 | Process for preparing linear, low molecular weight polyester-based polyol | Leonard J. Calbo, Jr. | 1990-02-20 |
| 4900358 | Water soluble corrosion inhibiting compositions and protective coatings prepared therefrom | — | 1990-02-13 |
| 4895674 | Thermally stable sulfonate compositions | Alfen J. Gustavsen, Robert L. Kugel | 1990-01-23 |
| 4888441 | Preparation of linear, low-molecular-weight polyester-based polyols | Leonard J. Calbo, Jr. | 1989-12-19 |
| 4255395 | Solvent-extraction process for recovery and separation of metal values | Rachelle M. Rydzik | 1981-03-10 |
| 4194905 | Solvent-extraction process for recovery and separation of metal values | — | 1980-03-25 |