Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572679 | Gas separation using organic-vapor-resistant membranes in conjunction with organic-vapor-selective membranes | Richard W. Baker, Zhenjie He, Andre R. Da Costa, Ramin Daniels, Karl D. Amo +1 more | 2003-06-03 |
| 6572680 | Carbon dioxide gas separation using organic-vapor-resistant membranes | Richard W. Baker, Zhenjie He, Karl D. Amo, Andre R. Da Costa, Ramin Daniels | 2003-06-03 |
| 6565626 | Natural gas separation using nitrogen-selective membranes | Richard W. Baker, Johannes G. Wijmans, Zhenjie He | 2003-05-20 |
| 6544316 | Hydrogen gas separation using organic-vapor-resistant membranes | Richard W. Baker, Zhenjie He, Karl D. Amo, Andre R. Da Costa, Ramin Daniels | 2003-04-08 |
| 6361582 | Gas separation using C3+ hydrocarbon-resistant membranes | Zhenjie He, Andre R. Da Costa, Karl D. Amo, Ramin Daniels | 2002-03-26 |
| 6361583 | Gas separation using organic-vapor-resistant membranes | Zhenjie He, Andre R. Da Costa, Karl D. Amo, Ramin Daniels | 2002-03-26 |
| 6316684 | Filled superglassy membrane | Zhenjie He | 2001-11-13 |
| 6271319 | Membrane-augmented polypropylene manufacturing | Richard W. Baker, Andre R. Da Costa, Ramin Daniels, Zhenjie He | 2001-08-07 |
| 6264828 | Process, including membrane separation, for separating hydrogen from hydrocarbons | Richard W. Baker, Kaaeid A. Lokhandwala, Zhenjie He | 2001-07-24 |
| 6183628 | Process, including PSA and membrane separation, for separating hydrogen from hydrocarbons | Richard W. Baker, Kaaeid A. Lokhandwala, Zhenjie He | 2001-02-06 |
| 6159272 | Hydrogen recovery process | Richard W. Baker, Kaaeid A. Lokhandwala, Zhenjie He | 2000-12-12 |
| 5879431 | Ethylene/nitrogen separation process | Richard W. Baker, Kaaeid A. Lokhandwala | 1999-03-09 |
| 5779763 | Process for recovering semiconductor industry cleaning compounds | Johannes G. Wijmans, Zhenjie He, Shannon Goakey, Richard W. Baker | 1998-07-14 |
| 5707423 | Substituted polyacetylene separation membrane | Atsushi Morisato | 1998-01-13 |
| 5688307 | Separation of low-boiling gases using super-glassy membranes | Kaaeid A. Lokhandwala, Phuong Nguyen, Scott Segelke | 1997-11-18 |
| 5669958 | Methane/nitrogen separation process | Richard W. Baker, Kaaeid A. Lokhandwala, Scott Segelke | 1997-09-23 |
| 5670051 | Olefin separation membrane and process | Lora G. Toy, Carlos Casillas | 1997-09-23 |
| 5630970 | Process for restoring membrane permeation properties | Lora G. Toy, Carlos Casillas | 1997-05-20 |
| 5538535 | Membrane process for treatment of chlorine-containing gas streams | Kaaeid A. Lokhandwala, Phuong Nguyen, Lora G. Toy, Marc L. Jacobs | 1996-07-23 |
| 5501722 | Natural gas treatment process using PTMSP membrane | Lora G. Toy | 1996-03-26 |
| 5281255 | Gas-separation process | Lora G. Toy, Richard W. Baker | 1994-01-25 |
| 5085776 | Composite membranes for fluid separations | Ingo Blume, Klaus-Viktor Peinemann, Johannes G. Wijmans | 1992-02-04 |
| 5007944 | Process for increasing the selectivity of asymmetric membranes | Jan Wind | 1991-04-16 |
| 4990255 | Composite membranes for fluid separations | Ingo Blume, Klaus-Viktor Peinemann, Johannes G. Wijmans | 1991-02-05 |
| 4963165 | Composite membrane, method of preparation and use | Ingo Blume | 1990-10-16 |