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Expired Canadian patentCanada

Endotoxin binding protein and uses thereof

CA 1338836 C · Owner: Novitsky, Thomas J. · Inventors: Wainwright, Norman R.; Novitsky, Thomas J.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Endotoxin binding proteins capable of binding endotoxin in vivo, which are isolated from a horseshoe crab such as Limulus polyphemus, pharmaceutical compositions and pharmaceutical uses of the proteins a, method of purifying the proteins and an assay for endotoxin based on the proteins, are disclosed.

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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 January 7, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 22, 1989
GrantedJanuary 7, 1997
Term endedJanuary 7, 2014
Patent numberCA 1338836 C
Classification (IPC)C07K14/43 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedJune 22, 1989Patent grantedJan 7, 1997Term endedJan 7, 2014

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.