Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8993473 | Modified trilobe shape for maleic anhydride catalyst | Larry E. Melde | 2015-03-31 |
| 8940915 | Solvent for recovery of maleic anhydride from a gas stream | Yury Chernyak | 2015-01-27 |
| 6133484 | Methods for decomposing esters and purifying alcohols | John F. Knifton, John R. Sanderson, James Douglas Goshinska, Mark A. Mueller | 2000-10-17 |
| 5939592 | Methods for decomposing esters and purifying alcohols | John F. Knifton, John R. Sanderson | 1999-08-17 |
| 5620568 | Extractive distillation of propylene oxide using propanol | Mark A. Mueller | 1997-04-15 |
| 5464505 | Use of propylene oxide adducts in the purification of propylene oxide by extractive distillation | Michael W. Peters, Mark A. Mueller, William K. Culbreth, III | 1995-11-07 |
| 5436376 | Production of tertiary butyl alcohol | Yu-Hwa E. Sheu, John R. Sanderson, Mark A. Mueller | 1995-07-25 |
| 5414145 | Production of tertiary butyl alcohol from isobutane | Yu-Hwa E. Sheu, John R. Sanderson, Mark A. Mueller | 1995-05-09 |
| 5340446 | Purification of propylene oxide by cosolvent extractive distillation | William P. Nelson | 1994-08-23 |
| 5262017 | Plural stage purification of propylene oxide | Robert A. Meyer, Mark A. Mueller, Gregory B. Demoll | 1993-11-16 |
| 5232559 | Separation of molybdenum | David L. Miller, Robert A. Meyer | 1993-08-03 |
| 5191143 | Preparation of isobutylene | Wei-Yang Su, Roya Tooloian | 1993-03-02 |
| 5157163 | Purification of methyl tertiary-butyl ether | Roya Tooloian | 1992-10-20 |
| 5127997 | Purification of propylene oxide by liquid extraction | Robert A. Meyer, Eileen T. Nguyen | 1992-07-07 |
| 5128492 | Precipitation of molybdenum | Robert A. Meyer, Edward T. Marquis | 1992-07-07 |
| 5107067 | Catalytic reaction of propyelne with tertiary butyl hydroperoxide | Edward T. Marquis, Kenneth P. Keating, John R. Sanderson | 1992-04-21 |
| 5106458 | Method for the purification of propylene oxide | Robert A. Meyer, Eileen T. Nguyen | 1992-04-21 |
| 4971661 | Purification of propylene oxide using an aqueous acetone extractive distillatin agent | Robert A. Meyer, Kenneth P. Keating, Robert M. Steinberg | 1990-11-20 |
| 4891437 | Olefin epoxidation of olefins in a polar medium | Edward T. Marquis, Kenneth P. Keating, John F. Knifton, John R. Sanderson, Jonathan Lustri | 1990-01-02 |
| 4810809 | Ditertiary butyl peroxide recovery | John R. Sanderson, Robert A. Meyer, Edward T. Marquis | 1989-03-07 |
| 4691034 | Purification of propylene oxide by treatment with calcium hydroxide in glycerol or sugar water | John R. Sanderson, Edward T. Marquis, Kenneth P. Keating | 1987-09-01 |
| 4691035 | Purification of propylene oxide by treatment with a selected base and inert salt | John R. Sanderson, Edward T. Marquis, Kenneth P. Keating | 1987-09-01 |
| 4654427 | Synthesis of molybdenum oxide/alkanol complexes | Edward T. Marquis, John R. Sanderson, Kenneth P. Keating | 1987-03-31 |
| 4650886 | Synthesis of ammonium molybdate/alkanol complexes | Edward T. Marquis, John R. Sanderson, Kenneth P. Keating | 1987-03-17 |
| 4626596 | Synthesis of molybdenum/alkylene glycol complexes useful as epoxidation catalysts | Edward T. Marquis, Kenneth P. Keating, John R. Sanderson | 1986-12-02 |