Process for the extraction of vegetable materials
CA 1085221 A · Owner: Societe Des Produits Nestle S.A. · Inventors: Clark, Brian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for extracting vegetable materials in the liquid phase in a group of cells, the "hot cells" containing the most exhausted vegetable material and the "cold cell(s)" the least exhausted vegetable material or fresh material, in which the extract is partially evaporated between the "hot cells" and the "cold cells" wherein extraction liquid is added to the partially evaporated extract in a quantity at least equal to the quantity of evaporated liquid.
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 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
- 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.