Liposomal preparation and antibiotic
CA 1329548 C · Owner: Jedrusiak, Jo Ann · Inventors: Mayer, Lawrence D.; Janoff, Andrew S.; Link, Robert P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to liposomes comprising at least one nonguanidino nonphosphate aminoglycoside present in a drug to lipid ratio (eq. wt.) of at least about 3:50 (w/w) to liposomes comprising at least, one guanidino nonphosphate aminoglycoside present in a drug (eq. wt.) to lipid ratio of at least about 9:25 (w/w) and to a method of preparing, aminoglycoside-containing SPLV liposomes having a drug to lipid ratio (eq. wt.) of at least about 3:50 (w/w) the method comprising:, a) dissolving at least one amphipathic lipid in organic solvent; b) adding to the solution formed by step (a) an aqueous phase and an aminoglycoside, thus forming a biphasic mixture; c) emulsifying the aqueous phase …
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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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 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
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.