Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983492 | Positive dye photoresist compositions with 2,4-bis(phenylazo)resorcinol | Peter Trefonas, III, David C. Madoux | 1991-01-08 |
| 4701186 | Polymeric membranes with ammonium salts | — | 1987-10-20 |
| 4654055 | Asymmetric gas separation membranes | Raymond F. Malon | 1987-03-31 |
| 4652283 | Polyphenylene oxide membrane having chemically bonded coating | Raymond F. Malon | 1987-03-24 |
| 4647297 | Benzyl substituted phenylene oxide membrane | — | 1987-03-03 |
| 4575385 | Permeation modified gas separation membranes | Albert A. Brooks, Joel R. Fried, Jay Henis, Daniel Raucher | 1986-03-11 |
| 4530703 | Cross-linked polyarylene oxide membranes | Raymond F. Malon | 1985-07-23 |
| 4488886 | Amorphous aryl substituted polyarylene oxide membranes | — | 1984-12-18 |
| 4486202 | Asymmetric gas separation membranes | Raymond F. Malon | 1984-12-04 |
| 4484935 | Permeation modified membrane | — | 1984-11-27 |
| 4472175 | Asymmetric gas separation membranes | Raymond F. Malon | 1984-09-18 |
| 4468500 | Amino ketone cross-linked polyphenylene oxide | Raymond F. Malon | 1984-08-28 |
| 4468503 | Amino ketone cross-linked polyphenylene oxide | Raymond F. Malon | 1984-08-28 |
| 4468502 | Cross-linked polyphenylene oxide | Raymond F. Malon | 1984-08-28 |
| 4468501 | Cross-linked polyphenylene oxide | Raymond F. Malon | 1984-08-28 |
| 4323453 | Tube sheets for permeators | — | 1982-04-06 |