Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4292286 | Process for selective removal of cyclic urea from hindered amine gas treating solution | Geoffrey R. Say, Jagannathan N. Iyengar | 1981-09-29 |
| 4282194 | Process for converting cyclic urea to corresponding diamine in a gas treating system | Geoffrey R. Say, Jagannathan N. Iyengar, Barbara A. Hacker | 1981-08-04 |