Vaccine and method of using
CA 1073814 A · Owner: The Wistar Institute · Inventors: Wallack, Marc K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A virus-lysed tumor cell vaccine is an active immunotherapeutic agent against tumors in mammals. In particular, a vaccine based upon vaccinia virus-lysed species-specific tumor cells is an effective stimulator of the immune response in mammals, and a vaccine based upon vaccinia virus-lysed spontaneously arising tum or cells is an effective stimulator of the immune response in some human cancer patients. A process for preparing the vaccine by viral oncolysis is also disclosed. Tumor cells are removed from a mammal, the cells are cultured in a culture medium and infected with live vaccinia virus. Viral oncolysis occurs during incubation and the resulting viral oncolysate, after extraction, …
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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 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 1997.
- 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.