Expired Canadian patentCanada
Emulgating agent from cereal grains
CA 2570804 C · Owner: Kvist, Sten · Inventors: Kvist, Sten; Lawter, John Mark
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process for preparing a stable emulsion/dispersion of an oil and an aqueous phase wherein a .beta.-glucans , rich substrate derived from oat or barley grain, is the active emulsifying component.
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 June 17, 2005 and granted February 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 17, 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.
FiledJune 17, 2005
GrantedFebruary 12, 2013
Term endedJune 17, 2025
Patent numberCA 2570804 C
Classification (IPC)A23D7/00 +2 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.