Bernd Thelen
7Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: Nov 16, 1973 → May 4, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7649108B2 | Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes | Chemistry; Metallurgy | 57 | Expired |
| US4064147A | Process for the production of aromatic mononitro compounds | Chemistry; Metallurgy | 15 | Expired |
| US4261908A | Process for isolating aromatic dinitro compounds | Chemistry; Metallurgy | 9 | Expired |
| US4141799A | Process for the purification of high-melting organic products | Chemistry; Metallurgy | 5 | Expired |
| US4162946A | Process for concentrating halogenoanthraquinones | Performing Operations; Transporting | 2 | Expired |
| US4344827A | Process for working up nitric acid | Emerging Cross-Sectional Technologies | 2 | Expired |
| US3931252A | Process for the preparation of pure 1-nitroanthraquinone | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.