Parcor
🏢 View company profile →25Patents
0Active
25Granted
27Portfolio score
Filing activity: Dec 23, 1974 → Jun 5, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4076819A | Thieno-pyridine derivatives and therapeutic composition containing same | Chemistry; Metallurgy | 26 | Expired |
| US4127580A | Process for the preparation of thieno-pyridine derivatives | Chemistry; Metallurgy | 21 | Expired |
| US4248890A | L-Cysteine derivatives and medicaments containing them | Human Necessities | 15 | Expired |
| US4075340A | Thieno [2,3-C] pyridine derivatives and therapeutic composition containing same | Human Necessities | 14 | Expired |
| US4104390A | Thieno [2,3-c] and [3,2-c] pyridines | Chemistry; Metallurgy | 11 | Expired |
| US4161599A | Process for the preparation of thieno(2,3-c)- and thieno(3,2-c)pyridines | Chemistry; Metallurgy | 10 | Expired |
| US4147787A | 4,5,6,7-Tetrahydro-thieno[2,3-c]-and [3,2-c]-pyridines, and therapeutic compositions containing the same | Human Necessities | 8 | Expired |
| US3969358A | Process for the preparation of thieno [3,2-c] pyridine and thieno [2,3-c] p y | Chemistry; Metallurgy | 6 | Expired |
| US4128561A | Process for the preparation of 2-(2-thienyl)-ethylamine and derivatives thereof | Chemistry; Metallurgy | 6 | Expired |
| US4157399A | Benzo(B)thiophenes | Chemistry; Metallurgy | 6 | Expired |
| US4065460A | 4,5,6,7-Tetrahydro-thieno[3,2-c]-pyridine derivatives and process for their preparation | Human Necessities | 5 | Expired |
| US4174448A | Process for the preparation of thienopyridine derivatives | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3995050A | Amino-2 imidazoles | Chemistry; Metallurgy | 4 | Expired |
| US4065459A | Process for the preparation of thieno(3,2-c) pyridine and derivatives thereof | Human Necessities | 3 | Expired |
| US4193997A | Thieno[2,3-c] and [3,2-c]pyridines, process for their preparation and therapeutic applications thereof | Human Necessities | 3 | Expired |
| US4145552A | Preparation of vincamine and related alkaloids | Chemistry; Metallurgy | 3 | Expired |
| US3983125A | Thieno-pyridine derivatives, process for their preparation and their applications | Chemistry; Metallurgy | 3 | Expired |
| US4136186A | Thieno[3,2-c]pyridine derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4107437A | 2,3-Dihydrobenzofurans | Human Necessities | 3 | Expired |
| US3957995A | Pharmaceutical composition comprising vincamine and theophylline | Human Necessities | 2 | Expired |
| US4152519A | 16-Hydroxy aspidospermidines and a process for their production | Human Necessities | 1 | Expired |
| US3957981A | Pharmaceutical composition comprising vincamine and acetylsalicyclic acid | Human Necessities | 1 | Expired |
| US4172134A | Benzo [B]thienopyridines, process for their preparation and therapeutic compositions containing same | Chemistry; Metallurgy | 1 | Expired |
| US4163852A | Process for the preparation of tetrahydro-thieno[3,2-c]- and [2,3-c]pyridine derivatives | Chemistry; Metallurgy | 0 | Expired |
| US4119719A | Piperazine compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.