Method of preparation and use for zona pellucida antigens and antibodies for sterilization and contraception
CA 1340397 C · Owner: Zonagen, Inc. · Inventors: Dunbar, Bonita Sue
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to antigenic preparations useful for inducing the production of antibodies in an individual which will bind to epitopes on zona pellucida. Also disclosed are immunogenic compositions and methods for immunizing an individual to enable the production of antibodies to zona pellucida antigens. Also disclosed are the use of these recombinant molecules and monoclonal antibodies thereto for immunocontraception or sterilization.
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 February 16, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 2016.
- 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.