Expired Canadian patentCanada
Hypoallergenic food composition
CA 2581675 C · Owner: Hill'S Pet Nutrition, Inc. · Inventors: Qvyjt, Fernando; Dierking, Mark Lee; Jewell, Dennis Edward
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hypoallergenic compositions for animal consumption comprising a hydrolysate in a semi-solid formulation and methods for making and using such compositions for mitigating food allergy symptoms.
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
- Filed September 23, 2005 and granted March 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 23, 2005
GrantedMarch 12, 2013
Term endedSeptember 23, 2025
Patent numberCA 2581675 C
Classification (IPC)A23K10/32 +1 more
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.