Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136760 | Reducing low temperature scanning brookfield gel index value in engine oils (LAW798) | Christopher John May | 2000-10-24 |
| 5045354 | Production of supported thin film membranes | Joseph L. Feimer | 1991-09-03 |
| 4929358 | Polyurethane-imide membranes and their use for the separation of aromatics from non-aromatics | — | 1990-05-29 |
| 4879044 | Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non aromatics | Joseph L. Feimer, Robert C. Schucker | 1989-11-07 |
| 4828773 | Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics | Joseph L. Feimer, Robert C. Schucker | 1989-05-09 |