Glycoside preparation directly from aqueous saccharide solutions or syrups
CA 1316919 C · Owner: Henkel Corporation · Inventors: Mcdaniel, Robert S. Jr.; Johnson, Donald L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 2000080, ABSTRACT OF THE DISCLOSURE Glycoside products are successfully prepared directly from aqueous saccharide solutions or syrups and with acceptably low levels of undesired higher polysaccharide by-products, by dissolving same in the desired alcohol reactant and contacting the resulting homogeneous aqueous saccharide+alcohol solution with an acid catalyst material in a fashion such that substantially no separate or distinct, predominantly aqueous saccharide solution phase is permitted to come into contact with said acid; catalyst material under conditions conducive to homopolymerization of said saccharide reactant.
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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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.