Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625101 | Cyclodimerization of butadiene | Marvin M. Johnson | 1997-04-29 |
| 5585318 | Alkyne hydrogenation process | Marvin M. Johnson | 1996-12-17 |
| 5583274 | Alkyne hydrogenation process | Marvin M. Johnson | 1996-12-10 |
| 5510550 | Selective acetylene hydrogenation | Marvin M. Johnson, Scott H. Brown, Stan A. Zisman, James B. Kimble | 1996-04-23 |
| 5489565 | Hydrogenation process and catalyst therefor | Marvin M. Johnson | 1996-02-06 |
| 5488024 | Selective acetylene hydrogenation | Marvin M. Johnson, Scott H. Brown, Stan A. Zisman, James B. Kimble | 1996-01-30 |
| 5475173 | Hydrogenation process and catalyst therefor | Marvin M. Johnson | 1995-12-12 |
| 5360779 | Preparation of supported sulfur compositions | Marvin M. Johnson | 1994-11-01 |
| 5208405 | Selective hydrogenation of diolefins | Marvin M. Johnson | 1993-05-04 |
| 5096681 | Removal of trialkyl arsine from fluids | — | 1992-03-17 |
| 5085844 | Sorption of trialkyl arsines | Gerhard P. Nowack | 1992-02-04 |
| 5024683 | Sorption of trialkyl arsines | Patricia A. Tooley, Ted H. Cymbaluk, Gerhard P. Nowack, Marvin M. Johnson | 1991-06-18 |