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Expired Canadian patentCanada

Coated pregelatinized starch and process for producing the same

CA 1208068 A · Owner: Johnson (S. C.) & Son, Inc. · Inventors: Rudin, Richard E.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A modified pregelatinized starch which is readily dispersible in water comprising a pregelatinized starch coated with from 0.05 to 20% by weight of a food grade emulsifier. A process for producing a coated pregelatinized starch comprising blending a pregelatinized starch with a mixture of a non-toxic solvent and a food grade emulsifier followed by removing the solvent.

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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 July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
  • 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 25, 1984
GrantedJuly 22, 1986
Term endedJuly 22, 2003
Patent numberCA 1208068 A
Classification (IPC)C08B30/14 +1 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedJan 25, 1984Patent grantedJuly 22, 1986Term endedJuly 22, 2003

Sources & verification

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