Human tumor necrosis factor
CA 1341348 C · Owner: Asahi Kasei Kabushiki Kaisha · Inventors: Itoh, Hirataka; Wallace, Robert Bruce
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A human physiologically active polypeptide human, Tumor Necrosis Factor (human TNF) comprising a specific, amino acid sequence of 155 amino acid residues. The base sequence of the DNA coding for the human TNF has been determined using rabbit TNF cDNA. The human TNF can be advantageously produced on a large scale by recombinant DNA technique. The human TNF of the present invention has been found to be excellent in inducing necrosis of tumours with no toxic effect upon the a normal tissues of the living body.
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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 March 19, 2002. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2019.
- 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.