Light-induced killing of carcinoma cells
CA 1338671 C · Owner: Cincotta, Louis · Inventors: Foley, James; Cincotta, Louis; Oseroff, Allan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method of killing carcinoma cells associated with normal cells using light of predetermined wavelength, said method comprising (a) contacting said cells with a chromophore at a predetermined concentration said chromophore, being characterized in that it is positively charged and sufficiently lipophilic to be taken up by said carcinoma cells and their mitochondria, it is retained substantially longer in the mitochondria of said carcinoma cells than in the mitochondria of said normal cells, or more of said chromophore is taken up by said carcinoma cells than by said normal cells contacted with said chromophore, it has a therapeutic index for lightinduced cell …
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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 October 22, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2013.
- 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.