Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8101009 | Separation membrane by controlled annealing of polyimide polymers | Okan M. Ekiner | 2012-01-24 |
| 7422623 | Separation membrane by controlled annealing of polyimide polymers | Okan M. Ekiner | 2008-09-09 |
| 7399897 | Method of separating olefins from mixtures with paraffins | Ian C. Roman, Okan M. Ekiner | 2008-07-15 |
| 7393383 | Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers | Okan M. Ekiner | 2008-07-01 |
| 7250545 | Method of separating olefins from mixtures with paraffins | Ian C. Roman | 2007-07-31 |
| 7025804 | Method for separating hydrocarbon-containing gas mixtures using hydrocarbon-resistant membranes | Sudhir S. Kulkarni, Okan M. Ekiner | 2006-04-11 |
| 7018445 | Polyimide blends for gas separation membranes | Okan M. Ekiner | 2006-03-28 |
| 6860920 | Block polyester-ether gas separation membranes | — | 2005-03-01 |
| 6843829 | Block polyurethane-ether and polyurea-ether gas separation membranes | — | 2005-01-18 |
| 6383258 | Copolyimide gas separation membranes | — | 2002-05-07 |
| 5716430 | Nitrated polyimide gas separation membranes | — | 1998-02-10 |
| 5474596 | Aromatic polyetherketone gas separation membranes | — | 1995-12-12 |
| 5393323 | Aromatic polyethersulfone gas separation membranes | — | 1995-02-28 |
| 5393324 | Aromatic polyetherketone gas separation membranes | — | 1995-02-28 |
| 5352273 | Alkyl substituted aromatic polyester gas separation membranes | Samuel David Arthur | 1994-10-04 |
| 5334697 | Polyimide gas separation membranes | — | 1994-08-02 |
| 5320650 | Fluorinated aromatic polyimide, polyamide and polyamide-imide gas separation membranes | — | 1994-06-14 |
| 5310415 | Polyimide and polyamide-imide gas separation membranes | Okan M. Ekiner | 1994-05-10 |
| 5266100 | Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes | — | 1993-11-30 |
| 5248319 | Gas separation membranes made from blends of aromatic polyamide, polymide or polyamide-imide polymers | Okan M. Ekiner | 1993-09-28 |
| 5232472 | Polyimide and polyamide-imide gas separation membranes | Okan M. Ekiner | 1993-08-03 |