Process for manufacture of "mild coffee"
CA 1097533 A · Owner: D.E.J. International Research Company B.V. · Inventors: Van Der Stegen, Gerrit H.D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: Process for manufacture of "Mild coffee". Abstract of the Disclosure Green coffee beans are treated to remove components which after the r?ing of the coffee contribute to the presence of compounds having an irrita?ng effect in the gastro-intestinal tract, without substantial loss of caffein. The beans are washed at elevated temperature and substantially atmospheric pressure with a solvent consisting of an ester or a ketone naturally occurring in freshly roasted coffee in proportions higher than 10 ppm and having a boiling range between 50°C and 100°C. Subsequently the beans are mechanically separated from the solvent and the solvent concentration in the, green beans is reduced using …
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 March 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 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.