Crystallization of xylitol, crystalline xylitol product and use thereof
CA 2332600 A1 · Owner: Pearson, Julita · Inventors: Gros, Hakan; Eroma, Olli-Pekka; Pearson, Julita
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a novel process for the crystallization of xylitol by contacting a xylitol solution with particulate xylitol suspended in a gas drying the material to produce a multitude of microcrystals and conditioning the material into an agglomerated product. The invention also relates to a particulate crystalline xylitol product having novel properties to the use , thereof in confectionery, foodstuffs pharmaceuticals and oral hygiene , products and to special products comprising the same.
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 May 17, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 17, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 2021.
- 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.