Bernd Lippsmeier
12Patents
2h-index
10Co-inventors
40Inventor score
Filing activity: Feb 12, 1975 → Mar 24, 1977
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4122123A | Production of quaternary phosphonium halides | Chemistry; Metallurgy | 9 | Expired |
| US4073810A | Production of organophosphines | Chemistry; Metallurgy | 5 | Expired |
| US4020110A | Production of tertiary methylphosphine oxides | Chemistry; Metallurgy | 2 | Expired |
| US3997611A | Production of tertiary phosphine oxides | Chemistry; Metallurgy | 2 | Expired |
| US4076755A | Production of hydroxyalkylphosphine oxides | Chemistry; Metallurgy | 2 | Expired |
| US4020129A | Production of dithiophosphoric acid-O,O-diesters | Chemistry; Metallurgy | 1 | Expired |
| US3998886A | Production of halogen-containing tertiary phosphine oxides | Chemistry; Metallurgy | 1 | Expired |
| US4078023A | Production of O,O-dialkylthionophosphoric acid chlorides | Chemistry; Metallurgy | 1 | Expired |
| US4091012A | Production of tertiary phosphine oxides | Chemistry; Metallurgy | 0 | Expired |
| US4028421A | Production of tertiary (hydroxymethyl)-methylphosphine oxides | Chemistry; Metallurgy | 0 | Expired |
| US3980711A | Production of methylphosphine oxides | Chemistry; Metallurgy | 0 | Expired |
| US4080384A | Production of (hydroxymethyl)-alkyl, cycloalkyl and aralkylphosphines | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.