Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5939591 | Apparatus for producing alkylene glycols, alkylene glyocols having higher primary hydroxyl content, method of producing glycols having higher primary hydroxyl content, method of producing acrylate esters | Jeffrey D. Birdwell, Micheal L. Chappell, Philip J. Carlberg, Frank H. Murphy, Robert P. Shirtum | 1999-08-17 |
| 5693870 | Apparatus for producing alkylene glycols, alkyene glycols having higher primary hydroxyl content, method of producing glycols having higher primary hydroxyl content, method of producing acrylate esters | Jeffrey D. Birdwell, Philip J. Carlberg, Micheal L. Chappell, Frank H. Murphy, Robert P. Shirtum | 1997-12-02 |
| 5372790 | Vertical continuous reactor | Robert P. Shirtum, David D. McCoy | 1994-12-13 |
| 5310955 | Vertical continuous reactor and process for liquid epoxy resin | Robert P. Shirtum, David D. McCoy | 1994-05-10 |
| 4952647 | Aliphatic, non-hydrolyzable chloride-containing epoxy resins and process for their production | Robert P. Shirtum | 1990-08-28 |
| 4558116 | Process for preparing relatively high molecular weight epoxy resins | Robert P. Shirtum | 1985-12-10 |
| 4248741 | Method of making catalysts for the production of ethylene oxide | William E. Fry, Steve F. Janda | 1981-02-03 |