Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013767 | Asymmetric gas separation membranes having improved strength | Clint A. Cruse | 1991-05-07 |
| 4992221 | Asymmetric gas separation membranes having improved strength | Clint A. Cruse | 1991-02-12 |
| 4880441 | Asymmetric gas separation membranes having graded density skins | Robert E. Kesting, Alfred K. Fritzsche, Milton K. Murphy, Alan Handerman, Clint A. Cruse | 1989-11-14 |
| 4871494 | Process for forming asymmetric gas separation membranes having graded density skins | Robert E. Kesting, Alfred K. Fritzsche, Milton K. Murphy, Alan C. Handermann, Clint A. Cruse | 1989-10-03 |
| 4654055 | Asymmetric gas separation membranes | Anthony Zampini | 1987-03-31 |
| 4652283 | Polyphenylene oxide membrane having chemically bonded coating | Anthony Zampini | 1987-03-24 |
| 4530703 | Cross-linked polyarylene oxide membranes | Anthony Zampini | 1985-07-23 |
| 4486202 | Asymmetric gas separation membranes | Anthony Zampini | 1984-12-04 |
| 4472175 | Asymmetric gas separation membranes | Anthony Zampini | 1984-09-18 |
| 4468500 | Amino ketone cross-linked polyphenylene oxide | Anthony Zampini | 1984-08-28 |
| 4468501 | Cross-linked polyphenylene oxide | Anthony Zampini | 1984-08-28 |
| 4468502 | Cross-linked polyphenylene oxide | Anthony Zampini | 1984-08-28 |
| 4468503 | Amino ketone cross-linked polyphenylene oxide | Anthony Zampini | 1984-08-28 |