Peter Koch
13Patents
3h-index
24Co-inventors
56Inventor score
Filing activity: Jan 29, 1991 → Jul 18, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5244671A | Derivatives of porphycene for photodynamic therapy of cancer | Human Necessities | 12 | Expired |
| US6657068B2 | Liquid phase oxidation of halogenated ortho-xylenes | Chemistry; Metallurgy | 4 | Expired |
| US6657067B2 | Method for the manufacture of chlorophthalic anhydride | Chemistry; Metallurgy | 3 | Expired |
| US6649773B2 | Method for the manufacture of halophthalic acids and anhydrides | Chemistry; Metallurgy | 3 | Expired |
| US5393894A | Process for the preparation of N-ethylcarbazole | Chemistry; Metallurgy | 2 | Expired |
| US5705674A | Process for preparing ortho-nitrobenzonitriles | Chemistry; Metallurgy | 1 | Expired |
| US5414128A | Process for the preparation of N-substituted nitro-p-phenylenediamines | Chemistry; Metallurgy | 1 | Expired |
| US5387716A | N4-substituted 1-alkoxy-2-acylamino-4-aminobenzenes, process for their preparation and their use | Chemistry; Metallurgy | 0 | Expired |
| US5886218A | Process for preparing 4, 5-dichloro-2-methylbenzoic acid | Chemistry; Metallurgy | 0 | Expired |
| US7541489B2 | Method of making halophthalic acids and halophthalic anhydrides | Chemistry; Metallurgy | 0 | Expired |
| US7732559B2 | Method of making halophthalic acids and halophthalic anhydrides | Chemistry; Metallurgy | 0 | Active |
| US6392051B2 | Process for preparing 4-(4′-carboxyphenyl)pyridine | Chemistry; Metallurgy | 0 | Expired |
| US5767292A | Processes for preparing 1-methoxy-2-propyl 3-(7-diethylamino-2-oxo-2H-chromen-3-yl)-3-oxopropionate | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.