Expired Canadian patentCanada
Dna construct for enhancing the efficiency of transcription
CA 1325191 C · Owner: Mcpherson, Joan C. · Inventors: Kay, Robert; Mcpherson, Joan C.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel transcription initiation regions that provide for enhanced transcription of a DNA sequence particularly a plant sequence, are provided.
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
- Granted December 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 12, 1988
GrantedDecember 14, 1993
Term endedDecember 14, 2010
Patent numberCA 1325191 C
Classification (IPC)C12N15/67 +2 more
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.