Human b-cell differentiation factor and process of producing said factor
CA 1340689 C · Owner: Honjo, Tasuku · Inventors: Honjo, Tasuku; Severinson, Eva; Takatu, Kiyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cDNA and a chromosomal DNA coding for the human B-cell differentiation factor were provided and the entire nucleotide sequence of said DNAs as well as the entire amino acid sequences of the polypeptide portion of mature human B-cell differentiation factor and the leader peptide were revealed. The method for producing human B-cell differentiation factor by a recombinant gene technology was also provided.
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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 August 3, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 2016.
- 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.