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Expired Canadian patentCanada

Casing for raw sausage, a process for the production of said casing, andits use for sausage products that are air cured

CA 1297335 C · Owner: Naturin-Werk Becker & Co. · Inventors: Kuhn, Joachim; Erk, Gayur

CIPO record

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

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Abstract From the Canadian patent

This invention relates to a sausage casing of an isotropic spun fleece of at least one polyamide, containing no binding agent which is joined in the, longitudinal direction so as to form a tube and is partially compressed. Further the invention relates to a process for the production of the sausage casing and its use for containing sausage products that are air-cured. Special mechanical and elastic characteristics are achieved by partial compression whereas the gas and water permeability for the raw sausage is retained to the required extent. The casing shrinks with the filling on curing, remains wrinkle-free, does not allow grease to escape and can be, easily peeled.

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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 18, 1986
GrantedMarch 17, 1992
Term endedMarch 17, 2009
Patent numberCA 1297335 C
Classification (IPC)A22C13/00 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJuly 18, 1986Patent grantedMarch 17, 1992Term endedMarch 17, 2009

Sources & verification

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