Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703001 | Promoted silver catalyst | — | 1997-12-30 |
| 5691269 | Process for preparing silver catalyst | — | 1997-11-25 |
| 5646087 | Promoted silver acatalyst preparation | William D. Armstrong | 1997-07-08 |
| 5602070 | Process for preparing silver catalyst | — | 1997-02-11 |
| 5525740 | Process for preparing silver catalyst and process of using same to produce ethylene oxide | — | 1996-06-11 |
| 5504052 | Silver catalyst preparation | William D. Armstrong | 1996-04-02 |
| 5444034 | Process for preparing silver and alkali catalyst | — | 1995-08-22 |
| 5374748 | Process for preparing silver catalyst for ethylene epoxidation | — | 1994-12-20 |
| 5138093 | Process for preparing ethylidene diacetate | Charles N. Winnick | 1992-08-11 |
| 4792420 | Purification of carboxylic acid anhydrides | — | 1988-12-20 |
| 4659518 | Preparation of carboxylic acids | — | 1987-04-21 |
| 4650615 | Purification of carboxylic acid anhydrides contaminated with halogen or halides | — | 1987-03-17 |
| 4631348 | Preparation of acetic acid | — | 1986-12-23 |
| 4628121 | Preparation of acetaldehyde | — | 1986-12-09 |
| 4625055 | Preparation of carboxylic acids | — | 1986-11-25 |
| 4625060 | Preparation of acetic acid | — | 1986-11-25 |
| 4618705 | Process for conversion of acid anhydrides to alkylidene diesters | — | 1986-10-21 |
| 4551560 | Thermally-induced hydrolysis of acetal | — | 1985-11-05 |
| 4540811 | Preparation of carboxylic acid esters | — | 1985-09-10 |
| 4537871 | Carbonylation catalyst | — | 1985-08-27 |
| 4483804 | Preparation of carboxylic acid anhydrides | — | 1984-11-20 |
| 4483803 | Preparation of carboxylic acid anhydrides | — | 1984-11-20 |
| 4482497 | Preparation of carboxylic acids | — | 1984-11-13 |
| 4407726 | Preparation of carboxylic acids | — | 1983-10-04 |
| 4372889 | Preparation of carboxylic acids | — | 1983-02-08 |