Composition containing an extract obtained by a water-containing organic solvent, and a process for preparing the same
CA 2002188 A1 · Owner: Motoyama, Shimesu (Deceased) · Inventors: Umeda, Seiichi; Saito, Yukihiro; Motoyama, Shimesu (Deceased)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition containing an extract obtained by a water-containing organic solvent, comprising: (a) an extract containing active ingredients almost insoluble in water, said extract being obtained from plant tissues by extraction with a water-containing organic solvent and at least one of (b) a water-soluble high-molecular substance and (c) a fatty acid ester or polyglycerol. This composition can be formulated into preparations not containing ethanol, i.e. solid preparations including tablets, granules, and powder preparations or non-, alcoholic liquid preparations such as drinkable preparations and syrups, in such a way that the extract contained is well absorbed through the digestive tract.
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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
- Filed November 3, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 3, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 3, 2011.
- 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
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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.