In vitro process for detecting endotoxin in a biological fluid
CA 1048912 A · Owner: Preventive Systems · Inventors: Feinstein, Robert; Harris, Nick S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An in vitro process for detecting the presence of endotoxin in a biological fluid, such as a parenteral fluid whole blood, and the like, wherein amebocyte lysate from the hemolymph of the horseshoe crab, Limulus polyphemus is, intimately contacted with and incubated in the presence of a synthetic plastic polymer capable of adsorbing endotoxin which has previously been contacted with the biological fluid. The presence or absence of a gelation reaction in the amebocyte lysate is then observed. The presence of a gelation reaction determines the presence of endotoxin in the biological fluid. -I-
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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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.