Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340614 | Methods of polymer impregnation | Manfred E. Riechert | 1994-08-23 |
| 5320773 | Composition and method for purifying water | Ulrich R. Schegel | 1994-06-14 |
| 5306612 | Supersensitization of red sensitized, silver halide emulsions with 5-substituted-amino-1,2,3,4-thiatriazoles | James B. Philip, Jr., Richard J. Loer, Peter D. Sills | 1994-04-26 |