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Canadian application, no grantCanada

Baculovirus expression vectors

CA 2033070 A1 · Owner: Miller, Lois K. · Inventors: Miller, Lois K.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method and composition for improving the level of expression of a gene or collection of genes by providing a novel baculovirus promoter to which a heterologous gene is attached. The novel promoter may contain a modification of a natural viral promoter or may be totally synthetic. The novel baculovirus promoter may also comprise a combination promoter such as a promoter with a double start site or a combination of two different promoters. Foreign gene placement in a novel location or genomic orientation is also included.

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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

  • Filed May 17, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 17, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 17, 1990
GrantedNo grant recorded
Term endedMay 17, 2010
Patent numberCA 2033070 A1
Classification (IPC)C12N15/79 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedMay 17, 1990Term endedMay 17, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.