Robert Portmann
11Patents
2h-index
6Co-inventors
47Inventor score
Filing activity: Mar 6, 1978 → Apr 26, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4401600A | Certain 3-phenylhydrazono-2-amino-1,1,3-propene tricarbonitrile | Chemistry; Metallurgy | 3 | Expired |
| US6156907A | Process for preparing 1-substituted 4-cyano-1,2,3-triazoles | Chemistry; Metallurgy | 2 | Expired |
| US4243583A | Process for the preparation of azo dyes | Chemistry; Metallurgy | 2 | Expired |
| US6455556B2 | Crystal modifications of 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxamide | Human Necessities | 2 | Expired |
| US6964960B2 | Indoloquinazolinones | Human Necessities | 1 | Expired |
| US8076362B2 | Crystal modification A of 1-(2,6-difluorobenzyI)-1 H-1,2,3-triazole-4-carboxamide and dosage forms and formulations thereof | Human Necessities | 1 | Active |
| US4414156A | Process for producing 2-methoxybenzanthrones | Chemistry; Metallurgy | 1 | Expired |
| US6740669B1 | Crystal modification of 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxamide and its use as antiepileptic | Human Necessities | 1 | Expired |
| US7750028B2 | Crystal modifications of 1-(2,6-difluorobenzyl)-1H-1, 2,3-triazole-4-carboxamide | Human Necessities | 0 | Expired |
| US4189584A | Process for the production of 2-bromo-3-cyano-4,6-diaminopyridine | Chemistry; Metallurgy | 0 | Expired |
| US6277999A | Process for preparing 1-substituted 4-cyano-1,2,3-triazoles | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.