Details for Patent: 4,138,565
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Summary for Patent: 4,138,565
Title: | Stable solutions and processes for their preparation |
Abstract: | Solutions of certain hydrogenated ergopeptide alkaloids in mixtures of pharmacologically acceptable alcohols and water have improved stability. Preferred solvents are mixtures of ethanol, propylene glycol and glycerol containing from 15-40% wt. of water and having dielectric constants between 34 and 46. With these solutions it is not essential to carry out the filing operation under an inert atmosphere. |
Inventor(s): | Ehrhardt; Lothar (Nuremberg, DE), Patt; Ludwig (Nuremberg, DE), Hartmann; Volker (Nuremberg, DE) |
Assignee: | Sandoz Ltd. (Basel, CH) |
Application Number: | 05/833,784 |
Patent Claim Types: see list of patent claims | Composition; Formulation; Compound; Use; | More… ↓ |
Drugs Protected by US Patent 4,138,565
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Foreign Priority and PCT Information for Patent: 4,138,565
International Family Members for US Patent 4,138,565
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
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Austria | 355725 | ⤷ Subscribe | |||
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Austria | A390476 | ⤷ Subscribe | |||
Austria | A567378 | ⤷ Subscribe | |||
Australia | 1442276 | ⤷ Subscribe | |||
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