Hermann Kauth
23Patents
10h-index
42Co-inventors
75Inventor score
Filing activity: Jul 17, 1985 → Jan 21, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5340905A | Process for the preparation of thermoplastic polycarbonates | Chemistry; Metallurgy | 75 | Expired |
| US5235026A | Continuous production of polycarbonates | Chemistry; Metallurgy | 38 | Expired |
| US5384389A | Process for the production of polycarbonates | Chemistry; Metallurgy | 31 | Expired |
| US5399659A | Two-stage process for the production of thermoplastic polycarbonate | Chemistry; Metallurgy | 27 | Expired |
| US7071284B2 | Process for the preparation of polycarbonates | Chemistry; Metallurgy | 21 | Expired |
| US4719279A | Process for the preparation of copolyphosphonates having high toughness | Chemistry; Metallurgy | 21 | Expired |
| US4614789A | Thermotropic aromatic polyesters with high rigidity, a process for the production thereof and the use thereof for the production of mouldings, filaments, fibres and films | Chemistry; Metallurgy | 16 | Expired |
| US4788259A | Flame-proof polyamides | Chemistry; Metallurgy | 16 | Expired |
| US4782123A | Process for the preparation of copolyphosphonates of high notched impact strength | Chemistry; Metallurgy | 13 | Expired |
| US5418316A | Guanidine-derived catalyts for preparing polycarbonates by transesterification | Chemistry; Metallurgy | 12 | Expired |
| US5373082A | Process for the production of thermoplastic polycarbonates | Chemistry; Metallurgy | 10 | Expired |
| US4668720A | Flame resistant moulding compounds based on styrene polymers | Chemistry; Metallurgy | 7 | Expired |
| US6613868B2 | Process for producing polycarbonates | Chemistry; Metallurgy | 7 | Expired |
| US5317083A | Process for isolating polycarbonates from their solutions with tube having cross sectional contrictions | Chemistry; Metallurgy | 6 | Expired |
| US6930202B1 | Phosgene having low content of carbon tetrachloride | Chemistry; Metallurgy | 6 | Expired |
| US6682794B1 | Polycarbonate containers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4701554A | Process for the preparation of polyphosphonic acid amides | Chemistry; Metallurgy | 5 | Expired |
| US5444148A | Improved transesterification process for the production of polycarbonates | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6395864B1 | Polycarbonates with a low yellowness index | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5314985A | Molten, catalytic process for the preparation of polycarbonates | Chemistry; Metallurgy | 2 | Expired |
| US5416161A | Production of blend systems by the condensation of oligocarbonates in the presence of mass-polymerized ABS | Chemistry; Metallurgy | 2 | Expired |
| US9771451B2 | Method for producing polycarbonate according to the phase interface method | Chemistry; Metallurgy | 0 | Active |
| US7705107B2 | Process for the preparation of polycarbonates | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.