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Expired Canadian patentCanada

High titer anti-respiratory syncytial virus intravenous immune globulin

CA 1313820 C · Owner: Dobkin, Milton B. · Inventors: Dobkin, Milton B.

CIPO record

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Abstract From the Canadian patent

Inventors: MILTON B. DOBKIN, Invention: HIGH TITER ANTI-RESPIRATORY SYNCYTIAL VIRUS INTRAVENOUS IMMUNE GLOBULIN, Abstract of the Disclosure Normal plasma from donors who have not necessarily been vaccinated with a respiratory syncytial virus vaccine can be screened for higher than normal titers of naturally occurring antibody to respiratory syncytial virus (e.g. minimum ELISA titer of at least 1:110,000). Those plasmas with high titers of such antibody can be pooled and fractionated to give hyperimmune globulin. The product may be treated to render it suitable for intravenous injection. Patients with respiratory syncytial virus infection or at risk of such infection, may receive the present …

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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 February 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 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 26, 1987
GrantedFebruary 23, 1993
Term endedFebruary 23, 2010
Patent numberCA 1313820 C
Classification (IPC)C07K16/10 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJan 26, 1987Patent grantedFeb 23, 1993Term endedFeb 23, 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.