Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683749 | Method for preparing asbestos-free chlor-alkali diaphragm | Donald W. DuBois | 1997-11-04 |
| 5612089 | Method for preparing diaphragm for use in chlor-alkali cells | John O. Snodgrass | 1997-03-18 |
| 5192401 | Diaphragm for use in chlor-alkali cells | Donald W. DuBois | 1993-03-09 |
| 5188712 | Diaphragm for use in chlor-alkali cells | Bernard A. Maloney | 1993-02-23 |
| 4666573 | Synthetic diaphragm and process of use thereof | Donald W. DuBois, W. Bruce Darlington | 1987-05-19 |
| 4402809 | Bipolar electrolyzer | Carl W. Raetzsch | 1983-09-06 |
| 4397735 | Bipolar electrolyzer process | Carl W. Raetzsch, James J. McGinley | 1983-08-09 |
| 4339323 | Bipolar electrolyzer element | Carl W. Raetzsch, Thomas C. Jeffery, Dallas D. Dupre, III | 1982-07-13 |
| 4186065 | Method of preparing a resin-containing asbestos diaphragm | Edsel V. Hoover, Allan B. Kriss | 1980-01-29 |