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Last Updated: September 26, 2020

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Patent: 4,255,520

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Summary for Patent: 4,255,520
Title: Process for the preparation of a rabies vaccine and vaccine obtained by this process
Abstract:A method for preparing a rabies vaccine wherein rabies viruses are multiplied in poultry embryos, the heads of the embryos are harvested and the cell extract containing the rabies antigens is separated therefrom for differential centrifugation and density gradient centrifugation, the separated antigen is further processed using conventional methods. This process results in a highly selective concentration of antigens and the production of viruses having a very high activity and freedom from contaminating proteins.
Inventor(s): Schell; Klaus R. (Flamatt, CH)
Assignee: Schweizerisches Serum-und Impfinstitut and Institut zur Erforschung der (Bern, CH)
Application Number:06/136,722
Patent Claims:see list of patent claims

Details for Patent 4,255,520

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Glaxosmithkline Biologicals Sa RABAVERT rabies vaccine KIT 103334 1 2016-12-19   Start Trial Schweizerisches Serum-und Impfinstitut and Institut zur Erforschung der (Bern, CH) 1999-04-10 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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