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Expired Canadian patentCanada

Alginate gels

CA 1324307 C · Owner: Monsanto Plc · Inventors: Bennett, Alexander N.

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

This invention relates to calcium alginate gels and in particular to encapsulated calcium salts dispersed in soluble alginate systems. In this way homogeneous, calcium alginate gels can be prepared without precipitation of the alginate as fibrous calcium alginate. These gels are useful in a variety of food products.

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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 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 8, 1989
GrantedNovember 16, 1993
Term endedNovember 16, 2010
Patent numberCA 1324307 C
Classification (IPC)B01F17/00 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 8, 1989Patent grantedNov 16, 1993Term endedNov 16, 2010

Sources & verification

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