Andreas Kiener
29Patents
5h-index
19Co-inventors
58Inventor score
Filing activity: Feb 5, 1991 → Apr 30, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5173412A | Microbiological process for the production of hydroxylated pyrazine derivatives | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5104798A | Microbiological oxidation of methyl groups in heterocycles | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5622846A | Biotechnological process for the preparation of cyclic-s-.alpha.-imino carboxylic acids and r-.alpha.-imino carboxamides | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6248571A | Method of producing dihydroxypyrimidine derivatives | Chemistry; Metallurgy | 6 | Expired |
| US5236832A | Microbiological oxidation of methyl groups in heterocycles | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5217884A | Hydroxylation of methyl groups in aromatic heterocycles by microorganisms | Chemistry; Metallurgy | 5 | Expired |
| US5182197A | Microbiological process for the production of 6-hydroxypicolinic acid | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5229278A | Microbiological process for the production of hydroxylated heterocycles | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5702930A | Microbiological process for the preparation of heteroaromatic carboxylic acids using Alcaligenes faecalis | Chemistry; Metallurgy | 2 | Expired |
| US5273893A | Microbiological process for the production of hydroxypyrazinecarboxylic acid | Chemistry; Metallurgy | 2 | Expired |
| US5270203A | Biologically pure culture of Alcaligenes faecalis DSM 6335 | Chemistry; Metallurgy | 2 | Expired |
| US5242816A | Microbiological oxidation of alkyl groups in heterocycles | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5266482A | Agrobacterium useful for the microbiological process for the production of hydroxylated pyrazine derivatives | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5306625A | Process for terminal hydroxylation of ethyl groups on aromatic 5- or 6-ring heterocycles | Chemistry; Metallurgy | 1 | Expired |
| US5238830A | Microbiological process for the production of 6-hydroxypicolinic acid | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5516661A | Microbiological process for the production of aromatic hydroxy-heterocyclic carboxylic acids | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5284767A | Microorganisms useful for the production of hydroxylated heterocycles | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5760236A | Di and trisubstituted pyridines | Chemistry; Metallurgy | 1 | Expired |
| US5766893A | Biotechnological process for the preparation of cyclic s-alpha-imino carboxylic acids and r-alpha-imino carboxamides | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5264361A | Microbiological process for the production of 6-hydroxypicolinic acid | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6214604A | Biotechnical production process of piperazine R-.alpha.-carboxylic acids and piperazine S-.alpha.-carboxylic acid amide | Chemistry; Metallurgy | 1 | Expired |
| US5591853A | Products of a microbiological process for the production of 2-halo-pyrimidine-4-carboxylic acids | Chemistry; Metallurgy | 0 | Expired |
| US5266469A | Microbiological process for the production of 6-hydroxynicotinic acid | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5364940A | Microbiological process for hydroxylation of nitrogen-heterocyclic-carboxylic acids | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5264362A | Microbiological process for the production of 6-hydroxynicotinic acid | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.