Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521777 | Process for the production of diaryl carbonates | John Yaw Ofori, Eric James Pressman, Kirill Vladimirovich Shalyaev, Eric Douglas Williams | 2003-02-18 |
| 6472551 | Process for the production of diaryl carbonates | John Yaw Ofori, Eric James Pressman, Kirill Vladimirovich Shalyaev, Eric Douglas Williams | 2002-10-29 |
| 6420589 | Process for the production of diaryl carbonates | John Yaw Ofori, Eric James Pressman, Kirill Vladimirovich Shalyaev, Eric Douglas Williams | 2002-07-16 |
| 6384262 | Process for the production of diaryl carbonates | John Yaw Ofori, Eric James Pressman, Kirill Vladimirovich Shalyaev, Eric Douglas Williams | 2002-05-07 |
| 6310232 | Method for recycle of bromide-containing catalyst constituents | John Yaw Ofori, Eric James Pressman, Ben Purushotam Patel, Phillip Oscar Moreno | 2001-10-30 |
| 6191299 | Method for making aromatic carbonates | Eric James Pressman, Bruce Fletcher Johnson, Phillip Oscar Moreno | 2001-02-20 |
| 5917078 | Process for the isolation and removal of unwanted water from a chemical reaction | Francis S. Lo, Robert Tatterson | 1999-06-29 |
| 4851591 | Magnesium-containing catalyst activated under vacuum, in nitrogen, or in air, and use in an ortho-alkylation process | James G. Bennett, Jr., John J. Kokoszka, Freddie L. Tungate | 1989-07-25 |
| 4661638 | Catalyst derived from mixture of manganese hydroxide and magnesium-containing material, and method of use in ortho-alkylation of phenols | James G. Bennett, Jr., John J. Kokoszka, Freddie L. Tungate | 1987-04-28 |
| 4528407 | Catalytic process for preparation of ortho-alkylated phenols | William E. Smith | 1985-07-09 |
| 4458031 | Method of preparing a magnesium-manganese catalyst precursor and catalyst | James G. Bennett, Jr., John J. Kokoszka | 1984-07-03 |