Vaccines for fowl colibacillosis
CA 1306193 C · Owner: Shionogi & Co. Ltd. · Inventors: Kato, Kazuyoshi; Konishi, Takao; Sugimori, Giichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract:, The present invention is directed to a vaccine useful for the protection of poultry from colibacillosis infections which comprises as an active ingredient pre-inactivated and ultrasonicated E. coli cells. The invention is further directed to a method for protecting poultry from colibacillosis infections which comprises inoculating poultry through the cloaca with said vaccine.
Read the whole patent
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- 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.