Leander Tenud
26Patents
5h-index
11Co-inventors
62Inventor score
Filing activity: Sep 13, 1974 → Oct 17, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4021480A | Process for the production of carnitine | Human Necessities | 9 | Expired |
| US4503234A | Production of 2-(2-aminothiazole-4-yl)-2-(syn)-methoxyimino acetic esters | Chemistry; Metallurgy | 8 | Expired |
| US5162540A | Process for the production of (+) biotin | Chemistry; Metallurgy | 6 | Expired |
| US4018821A | Process for the production of carnitine | Human Necessities | 5 | Expired |
| US4876350A | Process for the production of (+) biotin | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4851540A | Process for the production of biotin precursors | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4880940A | 4-alkoxy-3-pyrrolin-2-on-1-yl acetic acid alkyl esters | Chemistry; Metallurgy | 3 | Expired |
| US4780545A | Production of 4-alkoxy-3-pyrrolin-2-on-1-yl acetic acid alkyl esters | Chemistry; Metallurgy | 3 | Expired |
| US4997957A | Process for the production of thiotetronic acid | Chemistry; Metallurgy | 3 | Expired |
| US3969406A | Process for the production of carnitine | Chemistry; Metallurgy | 2 | Expired |
| US4421922A | Process for the production of tetronic acid | Chemistry; Metallurgy | 2 | Expired |
| US4391979A | Process for the preparation of (2-amino-thiazol-4yl)-acetic acid hydrochloride | Chemistry; Metallurgy | 2 | Expired |
| US4732709A | Preparation of optically-active di-(3-chloro-2-oxy-propyltrimethylammonium)-tartrate | Chemistry; Metallurgy | 1 | Expired |
| US4552983A | Process for the production of 4-(trialkylammonium)-acetoacetarylides | Chemistry; Metallurgy | 1 | Expired |
| US4414400A | Process for the production of tetronic acid | Chemistry; Metallurgy | 1 | Expired |
| US4558158A | Process for the production of 4-(trialkylammonium)-acetoacetarylides | Chemistry; Metallurgy | 1 | Expired |
| US4670192A | Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate | Chemistry; Metallurgy | 1 | Expired |
| US4443627A | Process for the production of carnitine amide | Chemistry; Metallurgy | 1 | Expired |
| US5093503A | Process for the production of thiotetronic acid | Chemistry; Metallurgy | 1 | Expired |
| US4692543A | Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate | Chemistry; Metallurgy | 1 | Expired |
| US4732999A | Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate | Chemistry; Metallurgy | 0 | Expired |
| US4801750A | Process for the produciton of 2-chloroacetoacetic acid amides | Chemistry; Metallurgy | 0 | Expired |
| US4873339A | Chiral biotin precursors | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4190585A | Process for the production of indolyl lactic acid | Chemistry; Metallurgy | 0 | Expired |
| US5117003A | Process for the production of (+) biotin | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.