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Expired Canadian patentCanada

Method for agglomerating moisture sensitive materials

CA 1197136 A · Owner: General Foods Corporation · Inventors: Hardie-Muncy, Darlene A.; Coker, Guy C.; Wauters, Ronald P.

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

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Abstract From the Canadian patent

Moisture sensitive materials are agglomerated by a process that does not disrupt the structure of these materials. A first fraction of the moisture sensitive materials are coated with a hydrophylic binding agent foam and then contacted with the remaining materials. The agglomerated mixture is then dried to a final product moisture.

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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 November 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 31, 1983
GrantedNovember 26, 1985
Term endedNovember 26, 2002
Patent numberCA 1197136 A
Classification (IPC)A21D17/00

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMarch 31, 1983Patent grantedNov 26, 1985Term endedNov 26, 2002

Sources & verification

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