Decationisation of aqueous sugar solutions
CA 1138444 A · Owner: Generale Sucriere, S.A. · Inventors: Lamotte, Claude; Rousseau, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aqueous sugar solutions are agitated in a batch process with strong cation exchange resin optionally, mixed with anion exchange resin or with a mixture of, weak acid cation exchange resin in the hydrogen form and anion exchange resin, under closely defined time and temperature conditions to effect decationisation or deionisation without the degree of cooling and dilution required in conventional fixed bed processes. In the presence of strong acid cation exchange resin the temperature is 20 to 40°C and the contact time between sugar and resin is at most 20 minutes, unacceptable levels of inversion thereby being avoided. When weak acid resin is used as the cation exchange resin the …
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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 December 28, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 1999.
- 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.