Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5342973 | Process for preparing silver salt solutions | Kindtoken H. Liu | 1994-08-30 | |
| 4795818 | Optimizing the yield of maleic anhydride catalyst | John Walden | 1989-01-03 | |
| 4663303 | Process for preparing silver catalysts | Kindtoken H. Liu | 1987-05-05 | $17,859,000 |
| 4661631 | Process for the preparation of acetic acid | Howard Sachs | 1987-04-28 | $8,030,000 |
| 4519875 | Purification of ethylene glycol derived from ethylene carbonate | Howard Sachs | 1985-05-28 | $6,754,000 |
| 4480127 | Process for the production of variable amounts of DPA and aniline using only phenol and ammonia as the feedstock | Howard Sachs | 1984-10-30 | $5,069,000 |
| 4273622 | Method of treating alpha-methylbenzylalcohol dehydration products | — | 1981-06-16 | |
| RE30642 | Process for preparing molybdenum acid salts | — | 1981-06-09 | |
| 4262143 | Preparation of hydroperoxides | — | 1981-04-14 |