Expired Canadian patentCanada
Supported viral antigen and preparation and use thereof
CA 1237984 A · Owner: Dorsett, Preston H. · Inventors: Dorsett, Preston H.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A solid support is sensitized with soluble rubella virus antigen which is obtained by disruption solubilization of whole (intact) rubella virus. The sensitized support is useful in an assay for rubella virus antibody.
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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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 13, 1984
GrantedJune 14, 1988
Term endedJune 14, 2005
Patent numberCA 1237984 A
Classification (IPC)A61K39/00 +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.