Pharmaceutical formulation and a process for its preparation
CA 1302257 C · Owner: List, Paul H · Inventors: Sedlacek, Hans H.; Schmidt, Peter C.; Perschbacher, Harald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ma 588, Dr. Bu/Li. Abstract of the disclosure: A pharmaceutical formulation for the parenteral in par-, ticular intravenous, administration of sparingly soluble substances is obtained when the very finely ground substance, with a maximum particle diameter of 3 µm is dis-, persed in an oil phase which contains emulsifier and, this mixture is emulsified with water for injection is, rendered isotonic and is homogenized using a high-pressure homogenizer, so that the resultant product is a solid/liquid/liquid disperse system.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.