Langsam; Michael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Langsam; Michael.The latest application filed is for "ortho-alkylated bisanilines having fluorenylidene bridging groups".
- Langsam; Michael - Allentown PA
| Patent | Date |
|---|---|
| Ortho-alkylated bisanilines having fluorenylidene bridging groups Grant 5,055,616 - Burgoyne, Jr. , et al. October 8, 1 | 1991-10-08 |
| Polyimide membranes and their use for gas separation Grant 4,954,144 - Burgoyne, Jr. , et al. September 4, 1 | 1990-09-04 |
| Membranes formed from unsaturated polyimides Grant 4,952,220 - Langsam , et al. August 28, 1 | 1990-08-28 |
| Membranes formed from unsaturated polyimides Grant 4,931,182 - Burgoyne, Jr. , et al. June 5, 1 | 1990-06-05 |
| Polyimide membrane having improved flux Grant 4,897,092 - Burgoyne, Jr. , et al. January 30, 1 | 1990-01-30 |
| Polymeric membrane for gas separation Grant 4,859,215 - Langsam , et al. August 22, 1 | 1989-08-22 |
| Polytrialkylgermylpropyne polymers and membranes Grant 4,759,776 - Langsam , et al. July 26, 1 | 1988-07-26 |
| Fluorinated polymeric membranes for gas separation processes Grant 4,657,564 - Langsam April 14, 1 | 1987-04-14 |
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