Frank Wehowsky
11Patents
6h-index
22Co-inventors
62Inventor score
Filing activity: Apr 11, 1986 → Jun 7, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5069994A | Use of colorless, intensely fluorinated ammonium and iminium compounds as charge control agents for electrophotographic recording processes | Physics | 31 | Expired |
| US4782175A | Urethanes composed of aliphatic fluoroalcohols, isocyanates and aromatic compounds, a process for their preparation and their use | Textiles; Paper | 15 | Expired |
| US4960543A | Urethane made from aliphatic fluorinated alcohols, isocyanates and substituted aromatic compounds, a process for their preparation, and their use | Textiles; Paper | 11 | Expired |
| US4873306A | Urethanes containing fluorine and polysiloxane, process for their preparation and their use | Textiles; Paper | 9 | Expired |
| US4709074A | Urethanes containing perfluoroalkyl and epichlorohydrin groups | Performing Operations; Transporting | 9 | Expired |
| US4766234A | Urethanes which contain perfluoroalkyl groups, epichlorohydrin groups and dialcohol radicals, the preparation and use thereof | Textiles; Paper | 7 | Expired |
| US5103048A | Surface-active compounds having a perfluoroalkyl group and a nitrogen-containing aliphatic radical, a process for their preparation and their use | Chemistry; Metallurgy | 6 | Expired |
| US5648528A | Saturated fluoroalkylamines and their derivatives, and mixtures thereof | Chemistry; Metallurgy | 5 | Expired |
| US5648527A | Saturated fluoroalkylamines and their derivatives, and mixtures thereof | Chemistry; Metallurgy | 5 | Expired |
| US4775488A | Aqueous anionic dispersion | Textiles; Paper | 3 | Expired |
| US5053537A | Ammonium and iminium compounds | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.