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Expired Canadian patentCanada

Method of preparing refined starch hydrolysates from starch-containing cereals

CA 1100950 A · Owner: Pfeifer & Langen · Inventors: Bos, Cornelis; Schwengers, Dieter; Andersen, Erik

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Abstract From the Canadian patent

A T I O N, of, Dieter Schwengers Cornelis Bos, Erik Andersen, "Method of preparing refined starch hydrolysates from starch-containing, cereals" Abstract of the Disclosure, A process of preparing a starch hydrolysate from wheat barley or, rye comprising the steps of contacting kernels of wheat barley or, rye with an aqueous solution to hydrate and soften said kernels gently wet-milling the hydrated and softened kernels separating, fibres and pentosans attached thereto as well as germs and gluten from the wet-milled product to form a starch-containing slurry essentially free of insoluble pentosans, carefully washing said fraction to form a refined, starch-containing product hydrolysing said-, …

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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 12, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 23, 1978
GrantedMay 12, 1981
Term endedMay 12, 1998
Patent numberCA 1100950 A
Classification (IPC)C13K1/06 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJan 23, 1978Patent grantedMay 12, 1981Term endedMay 12, 1998

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.