Process of purifying a cytolytic toxin from plant garcinia morella desv. (g.m.d.) resin for anticancer study
CA 2002365 A1 · Owner: Chen, Chia C. · Inventors: Chen, Chia C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An active component with high chemical stability was identified and purified from resin of plant G.M.D. The resulting product has been extensively studied for its pharmacological and toxicological activities. Data indicated that the active component functions as an very potent cytolytic chemical compound. Cells were irreversibly killed at very low concentration less than 10ng per ml.With such low concentration there was, however, very little evidence of intoxication. In this report I have invented various rapid methods, for extracting the active component GMD 1630 in large quantity and way of long term storage. Also in vitro, bioassays and in vivo tests for monitoring intoxication were …
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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 7, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 7, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 7, 2011.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.