Hermann Petersen
28Patents
8h-index
65Co-inventors
78Inventor score
Filing activity: Aug 15, 1990 → Mar 10, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5364825A | Multimetal oxide compositions and process of preparing same | Performing Operations; Transporting | 60 | Expired |
| US6586361B1 | Multilayered shell catalysts for catalytic gaseous phase oxidation of aromatic hydrocarbons | Chemistry; Metallurgy | 25 | Expired |
| US5449821A | Multimetal oxide compositions for gas-phase catalytic oxidation | Performing Operations; Transporting | 24 | Expired |
| US7560550B2 | Method for the production of OH protected[4-(2.6-diamino-9H-purine-9-yl)-1.3-dioxolane-2-yl]methanol derivatives | Chemistry; Metallurgy | 21 | Expired |
| US5536691A | Cobalt catalysts and a process required for their preparation | Chemistry; Metallurgy | 14 | Expired |
| US6551958B1 | Catalyst for dehydrogenating ethyl benzene to produce styrene | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5137732A | Riboflavin granules containing no inactive ingredient | Human Necessities | 8 | Expired |
| US8067334B2 | Selective hydrogenation catalyst | Performing Operations; Transporting | 8 | Active |
| US5559066A | Preparation of iron-, potassium- and cerium-containing catalysts | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6028027A | Method of producing selective-dehydrogenation catalysts, and catalysts produced in this way | Chemistry; Metallurgy | 5 | Expired |
| US7041847B2 | Method for cleaning crude terephthalic acid and catalysts suitable for the same and containing carbon fibers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6967181B2 | Production of a zeolite-containing solid | Performing Operations; Transporting | 3 | Expired |
| US5304609A | Graft copolymers having improved phase binding between the graft base and the grafted-on polymer phase | Chemistry; Metallurgy | 3 | Expired |
| US6887700B2 | Process for the enzymatic preparation of enantiopure 1, 3-dioxolan-4-one and 1,3-oxathiolan-5-one derivatives | Chemistry; Metallurgy | 3 | Expired |
| US7060857B2 | Method for the production of isophorondiamine (ipda,3-aminomethyl-3,5,5-trimethylcyclohexylamine) | Chemistry; Metallurgy | 3 | Expired |
| US6750371B2 | Process for the oxidation of alcohols to aldehydes and ketones in the presence of nitroxyl compounds as catalysts | Chemistry; Metallurgy | 3 | Expired |
| US6863877B2 | Iron oxides of reduced chloride content | Chemistry; Metallurgy | 2 | Expired |
| US8025846B2 | Process for introducing a portion withdrawn from at least one production charge of annular coated catalysts K into a reaction tube of a tube bundle reactor | Emerging Cross-Sectional Technologies | 2 | Active |
| US5384381A | Graft copolymers having improved phase binding between the graft base and the grafted-on polymer phase | Chemistry; Metallurgy | 2 | Expired |
| US6605716B2 | Process for the preparation of hydroxy and amino compounds | Chemistry; Metallurgy | 1 | Expired |
| US6506942B2 | Process for the preparation of carbonyl compounds by cleavage of hydroxycarboxylic acids | Chemistry; Metallurgy | 0 | Expired |
| US8822738B1 | Process for the preparation of hydroxytyrosol | Chemistry; Metallurgy | 0 | Active |
| US5455361A | Process for preparing ketene acetals | Chemistry; Metallurgy | 0 | Expired |
| US7268253B2 | Process for preparing α, α-dialkyl-α-hydroxymethyl-carboxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
| US6924386B2 | Enantioselective reformatsky process for preparing optically active alcohols, amines and derivatives thereof | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.