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Expired Canadian patentCanada

Expression of enzymatically active reverse transcriptase

CA 1314504 C · Owner: Roth, Monica J. · Inventors: Roth, Monica J.; Tanese, Naoko; Goff, Stephen P.

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Abstract From the Canadian patent

Abstract of The Disclosure This invention provides a plasmid which when intro-, duced into a suitable host cell and grown under appropriate conditions, effects expression of a gene on the plasmid and production of a polypeptide having reverse transcriptase activity. The plasmid is a doublestranded DNA molecule which includes in a 5' to 3' order the following: a DNA sequence which includes an inducible promoters a DNA sequence which includes an ATG initiation codon; the central portion of the Moloney murine leukemia virus (MuLV) pol gene said, central portion including a DNA sequence which encodes the polypeptide having reverse transcriptase activity; DNA sequence which contains a gene …

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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 March 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 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.
FiledMay 5, 1986
GrantedMarch 16, 1993
Term endedMarch 16, 2010
Patent numberCA 1314504 C
Classification (IPC)C12N1/21 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMay 5, 1986Patent grantedMarch 16, 1993Term endedMarch 16, 2010

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