Kefalas A/S
21Patents
0Active
21Granted
31Portfolio score
Filing activity: May 30, 1974 → Oct 5, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4136193A | Anti-depressive substituted 1-dimethylaminopropyl-1-phenyl phthalans | Human Necessities | 94 | Expired |
| US4353910A | Derivatives of 4,5,6,7-tetrahydroisoxazolo [5,4-c] pyridine-3-one, pharmaceutical compositions and methods of treatment | Chemistry; Metallurgy | 23 | Expired |
| US4443448A | Indane derivatives, pharmaceutical compositions thereof and method of preparation | Chemistry; Metallurgy | 20 | Expired |
| US3966930A | Phenothiazine derivatives, compositions thereof and methods of preparation thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US3996211A | Alpha-isomer of 2-chloro-9-[3'-(N'-2-hydroxyethylpiperazino-N)-propylidene]-thiaxanthene , carboxylic acid esters thereof and acid addition salts of these compounds | Human Necessities | 14 | Expired |
| US4042695A | Thiaxanthene derivatives, compositions thereof and methods of treating therewith | Chemistry; Metallurgy | 14 | Expired |
| US4038395A | Compositions of and method of treating with the alpha-isomer of 2-chloro-9-[3'-(N'-2-hydroxyethylpiperazino-N)-propylidene]-thiaxanthene , carboxylic acid esters thereof and acid addition salts of these compounds | Human Necessities | 12 | Expired |
| US4275209A | Xanthene and thioxanthene derivatives | Chemistry; Metallurgy | 11 | Expired |
| US4153694A | Behenic acid esters, compositions thereof and a method of preparation thereof | Human Necessities | 10 | Expired |
| US4525360A | Anti-psychotic phenylindene derivatives and acid addition salts thereof | Chemistry; Metallurgy | 6 | Expired |
| US4367239A | Nitrosourea derivatives, pharmaceutical compositions thereof and method of preparation | Chemistry; Metallurgy | 3 | Expired |
| US4384140A | 2-Chloroethyl urea derivatives | Human Necessities | 2 | Expired |
| US4285956A | Xanthene and thioxanthene derivatives, compositions thereof and treatment therewith | Chemistry; Metallurgy | 2 | Expired |
| US3951961A | Xanthene and thioxanthene derivatives, compositions thereof and a method of preparation thereof | Human Necessities | 2 | Expired |
| US4235916A | 2-Methylthio-6-fluoro-9-(1-methyl-4-piperidylidene)-thioxanthene and salts thereof, neuroleptic compositions and method of use | Human Necessities | 1 | Expired |
| US4022896A | Xanthene and thioxanthene compositions and method of treating | Human Necessities | 0 | Expired |
| US4035503A | Xanthene and thioxanthene derivatives, compositions thereof and a method of preparation thereof | Human Necessities | 0 | Expired |
| US4232021A | Anti-depressant methods | Human Necessities | 0 | Expired |
| US4309429A | Xanthene and thioxanthene derivatives, compositions thereof, and treatment therewith | Chemistry; Metallurgy | 0 | Expired |
| US3966952A | Alpha-isomer of the palmitic acid ester of 10-[3-(4-hydroxy-ethyl-1-piperazinyl)propylidene]-2-trifluoromethyl thiaxanthene, compositions thereof and a method of preparaton thereof and use thereof | Chemistry; Metallurgy | 0 | Expired |
| US4044024A | Thiaxanthene derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.