Norbert Schon
28Patents
10h-index
36Co-inventors
71Inventor score
Filing activity: May 30, 1986 → May 5, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4883835A | Flame resistant antistatic polycarbonate moulding compounds | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5023346A | Process for the production of cyclic carbonic acid esters | Chemistry; Metallurgy | 30 | Expired |
| US5344954A | Process for the preparation of diaryl carbonates | Chemistry; Metallurgy | 29 | Expired |
| US5334742A | Process for the continuous preparation of diaryl carbonates from dialkyl carbonates | Chemistry; Metallurgy | 27 | Expired |
| US5354923A | Process for the preparation of aromatic carbonic diesters | Chemistry; Metallurgy | 25 | Expired |
| US4920166A | Flame-resistant, antistatic polycarbonate molding compositions | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5061752A | Antistatic, thermoplastic moulding compounds based on aromatic vinyl polymers II | Chemistry; Metallurgy | 14 | Expired |
| US5495038A | Process for the purification of diphenyl carbonate | Chemistry; Metallurgy | 12 | Expired |
| US5266716A | Process for the splitting of polycarbonates | Chemistry; Metallurgy | 12 | Expired |
| US5362901A | Process for the preparation of organic carbonates having at least one aromatic ester group | Chemistry; Metallurgy | 11 | Expired |
| US5478961A | Process for preparting aryl carbonates | Chemistry; Metallurgy | 10 | Expired |
| US5523451A | Process for the continuous preparation of aryl carbonates | Performing Operations; Transporting | 9 | Expired |
| US5391802A | Process for cleaving polycarbonates into bisphenols and diaryl carbonates | Chemistry; Metallurgy | 9 | Expired |
| US5149856A | Process for the preparation of carbonic acid diesters containing at least one aromatic ester group | Chemistry; Metallurgy | 8 | Expired |
| US5688891A | T,3-dioxan-2-one group-containing oligourethanes | Chemistry; Metallurgy | 8 | Expired |
| US5284965A | Process for preparing aromatic carbonates | Performing Operations; Transporting | 8 | Expired |
| US5440066A | Process for splitting polycarbonates | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4749755A | Impact-resistant thermoplastic polyester compositions of low melt viscosity, process for their preparation, and their use for the production of mouldings | Chemistry; Metallurgy | 6 | Expired |
| US4839421A | Antistatic, thermoplastic moulding compound based on polycarbonates and aromatic vinyl polymers | Chemistry; Metallurgy | 6 | Expired |
| US5473094A | Process for preparing aryl carbonates | Chemistry; Metallurgy | 5 | Expired |
| US5527942A | Process for the production of aryl carbonates | Chemistry; Metallurgy | 4 | Expired |
| US5463102A | Process for the continuous production of aryl carbonates | Chemistry; Metallurgy | 2 | Expired |
| US5064899A | Antistatic, thermoplastic moulding compounds based on aromatic vinyl polymers | Chemistry; Metallurgy | 2 | Expired |
| US6175017A | Process for the production of aryl carbonates | Chemistry; Metallurgy | 2 | Expired |
| US5831111A | Process for the continuous production of aryl carbonates | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.