Recombinant methods and materials
CA 1214408 A · Owner: University Patents, Inc. · Inventors: Roizman, Bernard; Post, Leonard E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Specific DNA sequence insertions deletions and, substitutions (i.e. combinations of sequence deletion and insertion) in eukaryotic cell or viral genomes are stably effected through use of selectable DNA sequences comprising a herpesvirus thymidine kinase (tk) gene.
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 November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
- 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.