Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758671 | Water-soluble cation-active polyelectrolytes | Drahomir Dvorsky, Jiri Lukac, Jaromir Socha | 1988-07-19 |
| 4547574 | Quaternary pyrazinium compounds | Drahomir Dvorsky | 1985-10-15 |
| 4542217 | Quaternary pyrimidinium compounds | Drahomir Dvorsky | 1985-09-17 |
| 4499282 | Quaternary ammonium compounds | Drahomir Dvorsky | 1985-02-12 |
| 4468228 | Quaternary ammonium compounds and method for preparation thereof | Drahomir Dvorsky | 1984-08-28 |
| 4369041 | Technique for dyeing and printing of textiles with quaternary ammonium compound | Drahomir Dvorsky, Jaromir Socha | 1983-01-18 |
| 4331441 | Method of dyeing cellulose fibers by anionic dyes, compound for use in such method, and method of making the compound | Drahomir Dvorsky | 1982-05-25 |