Issued Patents All Time
Showing 51–75 of 144 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425267 | Two-step process for nitrogen removal from natural gas | Kaaeid A. Lokhandwala, Johannes G. Wijmans, Andre R. Da Costa | 2002-07-30 |
| 6414202 | Membrane-augmented manufacture of propylene derivatives | Andre R. Da Costa, Ramin Daniels | 2002-07-02 |
| 6350371 | Refinery process including membrane separation | Kaaeid A. Lokhandwala | 2002-02-26 |
| 6271319 | Membrane-augmented polypropylene manufacturing | Andre R. Da Costa, Ramin Daniels, Ingo Pinnau, Zhenjie He | 2001-08-07 |
| 6264828 | Process, including membrane separation, for separating hydrogen from hydrocarbons | Kaaeid A. Lokhandwala, Zhenjie He, Ingo Pinnau | 2001-07-24 |
| 6190540 | Selective purging for hydroprocessing reactor loop | Kaaeid A. Lokhandwala | 2001-02-20 |
| 6190536 | Catalytic cracking process | Kaaeid A. Lokhandwala | 2001-02-20 |
| 6183628 | Process, including PSA and membrane separation, for separating hydrogen from hydrocarbons | Kaaeid A. Lokhandwala, Zhenjie He, Ingo Pinnau | 2001-02-06 |
| 6179996 | Selective purge for hydrogenation reactor recycle loop | Kaaeid A. Lokhandwala | 2001-01-30 |
| 6171472 | Selective purge for reactor recycle loop | Kaaeid A. Lokhandwala | 2001-01-09 |
| 6165350 | Selective purge for catalytic reformer recycle loop | Kaaeid A. Lokhandwala | 2000-12-26 |
| 6159272 | Hydrogen recovery process | Kaaeid A. Lokhandwala, Zhenjie He, Ingo Pinnau | 2000-12-12 |
| 6118021 | Membrane process for argon purging from vinyl acetate reactors | Douglas Gottschlich | 2000-09-12 |
| 6018060 | Membrane process and apparatus for argon purging from oxidation reactors | Douglas Gottschlich | 2000-01-25 |
| 6011192 | Membrane-based conditioning for adsorption system feed gases | Kaaeid A. Lokhandwala | 2000-01-04 |
| 5980609 | Hydrogen recovery process | Kaaeid A. Lokhandwala | 1999-11-09 |
| 5883115 | Transdermal delivery of the eutomer of a chiral drug | G. Carlo Santus | 1999-03-16 |
| 5879431 | Ethylene/nitrogen separation process | Kaaeid A. Lokhandwala, Ingo Pinnau | 1999-03-09 |
| 5817841 | Membrane process for argon purging from ethylene oxide reactors | Shannon Goakey, Douglas Gottschlich | 1998-10-06 |
| 5785739 | Steam cracker gas separation process | — | 1998-07-28 |
| 5779763 | Process for recovering semiconductor industry cleaning compounds | Ingo Pinnau, Johannes G. Wijmans, Zhenjie He, Shannon Goakey | 1998-07-14 |
| 5772733 | Natural gas liquids (NGL) stabilization process | Kaaeid A. Lokhandwala | 1998-06-30 |
| 5772734 | Membrane hybrid process for treating low-organic-concentration gas streams | Ramin Daniels | 1998-06-30 |
| 5769926 | Membrane separation of associated gas | Kaaeid A. Lokhandwala | 1998-06-23 |
| 5762685 | Membrane expansion process for organic component recovery from gases | Kaaeid A. Lokhandwala | 1998-06-09 |