Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5264650 | Sulfolane purification by hydrocarbon extraction | Michael Alan Better, Jonathan E. Child, Kenneth J. Del Rossi, Anagha A. Gupte, Rafi Jalkian +2 more | 1993-11-23 | $11,731,000 |
| 5264652 | Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfone | Jonathan E. Child, Anagha A. Gupte, Rafi Jalkian, Tomas R. Melli, Sergei Yurchak | 1993-11-23 | $11,731,000 |
| 5064527 | Catalytic process for hydroconversion of carbonaceous materials | Gopal H. Singhal, Bobby L. Wilson, Michael A. Mikita | 1991-11-12 | $43,782,000 |
| 4604183 | Catalytic process for hydroconversion of solid carbonaceous materials | Edward I. Stiefel, Russell R. Chianelli, Catherine L. Coyle | 1986-08-05 | $49,404,000 |
| 4561964 | Catalyst for the hydroconversion of carbonaceous materials | Gopal H. Singhal, Karla S. Colle, Bobby L. Wilson, Loan H. Dao | 1985-12-31 | $41,207,000 |