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Expired Canadian patentCanada

Low temperature extrusion process for quick cooking pasta products

CA 1305893 C · Owner: Wenger, Marc L. · Inventors: Wenger, Marc L.; Huber, Gordon R.

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

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Abstract From the Canadian patent

Abstract of the Invention, Quick cooking pasta products are extruded in a low temperature process by advancing a partially pre-cooked mixture of pasta flour and water prepared in a preconditioner along the length of a screw extruder through a cooking zone, then through a venting zone and a forming zone, and finally through an extrusion die to yield an extruded product. The mixture has a maximum temperature of 215° F. in the cooking zone in order to substantially eliminate the formation of darkened specks in the final extruded product which would otherwise represent portions of the mixture that are burned during cooking. Limiting the maximum temperature of the mixture in the extruder also …

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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 August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 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 21, 1987
GrantedAugust 4, 1992
Term endedAugust 4, 2009
Patent numberCA 1305893 C
Classification (IPC)A21C9/02 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJuly 21, 1987Patent grantedAug 4, 1992Term endedAug 4, 2009

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