Vaccine and its preparation
CA 1109393 A · Owner: Akzo N.V. · Inventors: Baxendale, William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: Novel Vaccine and its Preparation Abstract of the Disclosure, The present invention relates to a novel vaccine immunizing egg-laying birds against Egg Drop Disease to a group of novel viruses, called EDS 76 to be used, for the preparation of such vaccines and to methods, for immunizing egg-laying birds against the egg drop syndrome.
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 September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- 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.