Solubilization of hydrophobic materials using lysophospholipids
CA 1303990 C · Owner: The Liposome Company, Inc. · Inventors: Hope, Michael J.; Cullis, Pieter R.; Tilcock, Colin P.S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and composition are described for the solubilization of hydrophobic materials using a lysophospholipid. The method includes drying a composition comprising a hydrophobic material-solubilizing effective amount of phospholipid from organic solvent and hydrating the resulting film with an aqueous medium at either a pH of between about 8.5 ant about 14.0, or at pH 7.0 followed by reduction of the temperature to less than 0°C.
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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 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.