Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294210 | Maleinated derivatives | Syed Q. A. Rizvi, Georgeta Hategan | 2019-05-21 |
| 9896424 | Methods of making sulfurized derivatives | Syed Q. A. Rizvi, Georgeta Hategan | 2018-02-20 |
| 9481850 | Maleinized ester derivatives | Jonathan Brekan, Zhe Wang, Amy Dalby, Paul A. Bertin | 2016-11-01 |
| 9464255 | Maleinized ester derivatives | Jonathan Brekan, Zhe Wang, Amy Dalby, Paul A. Bertin | 2016-10-11 |
| 9012385 | Terpene derived compounds | Syed Q. A. Rizvi | 2015-04-21 |
| 5523005 | Gear lubricant composition | Curtis R. Scharf, James J. Schwind, Craig D. Tipton | 1996-06-04 |
| 5354484 | Phosphorus-containing lubricant and functional fluid compositions | James J. Schwind | 1994-10-11 |
| 5171461 | Sulfur and copper-containing lubricant compositions | Kirk E. Davis | 1992-12-15 |
| 5154843 | Hydroxyalkane phosphonic acids and derivatives thereof and lubricants containing the same | Syed Q. A. Rizvi | 1992-10-13 |
| 5059335 | Lubricants containing salts of hydroxyalkane phosphonic acids | Syed Q. A. Rizvi, Joseph W. Pialet, Frederick W. Koch | 1991-10-22 |
| 5015368 | Ore flotation process using carbamate compounds | James H. Bush | 1991-05-14 |
| 4804489 | Low molecular weight viscosity modifying compositions | Jeffrey F. Munson, Syed Q. A. Rizvi | 1989-02-14 |