Process for the extraction of nonpolar constituents of hops
CA 1284463 C · Owner: Forster, Adrian · Inventors: Gehrig, Manfred; Geyer, Stefan; Schulmeyr, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
02496-34.A3/PA/GWH/fs, ABSTRACT OF THE DISCLOSURE The invention relates to a process for extracting nonpolar constituents from hops with simultaneous separation of residues of nonpolar plant protectives. In a first step the plant protective as well as other ingredients that are soluble under the chosen conditions is extracted with compressed gases and in a, subsequent stage the dissolved mixture is passed through an adsorbent and the plant protective is selectively removed from the mixture.
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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 May 28, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 2008.
- 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.