Dna and use thereof
CA 2048880 A1 · Owner: Onda, Haruo · Inventors: Onda, Haruo; Kimura, Chiharu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are (1) a genomic DNA of human PACAP38; (2) a DNA containing a DNA segment coding for human PACAP38; (3) a transformant bearing a DNA containing a DNA segment coding for PACAP38; and (4) a method for preparing a mature PACAP38 protein comprising cultivating the transformant described in the above (3), accumulating the protein in a culture product, and collecting the resulting protein. The DNA makes it possible to screen the chemical substance necessary for production of PACAP and is applied to experimental animals to understand their brain functions which serves to elucidate human brain functions. Human PACAP38 can also be utilized as therapeutic agents about growth and …
Read the whole patent
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 August 9, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 9, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 2013.
- 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.