Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521791 | Process for regenerating a monolith hydrogenation catalytic reactor | Keith Allen Welp, Anthony Cartolano, Frederick C. Wilhelm | 2003-02-18 |
| 5902910 | Weak acid process for producing dinitrotoluene | Stephen Ian Clarke, Mark Shedric Simpson, Richard Van Court Carr | 1999-05-11 |
| 5275701 | Process for purification and concentration of sulfuric acid | Stephen Ian Clarke, Philip Taylor | 1994-01-04 |
| 4409064 | Process for concentrating sulfuric acid in an evaporator | Suresh M. Vora, Pierre L. T. Brian, Michael S. Chen | 1983-10-11 |