Freeze-dried pharmaceutical compositions of phenylquinoline carboxylic acids
CA 1312824 C · Owner: The Du Pont Merck Pharmaceutical Company · Inventors: Wu, Chien-Chin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title BP-6300-A, Freeze-Dried Pharmaceutical Compositions of Phenylquinoline Carboxylic Acids, Abstract of the Disclosure Freeze-dried pharmaceutical compositions of antitumor phenylquinoline carboxylic acids such as, 6-fluoro-2-(2'-fluoro-1'-biphenyl-4-yl) 3-methyl-4quinolinecarboxylic acid, sodium salt, reconstitutable to stable, aqueous, injectable compositions are provided. These compositions use a stabilization system consisting essentially of a bile salt, such as sodium cholate or sodium desoxycholate, and a base or buffer that will provide a pH of about 8.5-11 upon aqueous reconstitution. Glycine is the preferred buffer.
Read the whole patent
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 January 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2010.
- 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.