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Expired Canadian patentCanada

Cheese product containing partially soluble modified whey solids product

CA 1090195 A · Owner: Stauffer Chemical Company · Inventors: Chang, Pei K.

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

Abstract of the Disclosure, Pasteurized process cheese pasteurized process cheese, food and spread. and imitation cheese spread products are disclosed which contain a partially soluble modified whey solids product derived from either adding a divalent metal ion to a cheese whey solution and adjusting the pH to between about 6.0 and about 8.0 at a temperature of below about 140°F or by adjusting the pH of a raw cheese whey containing at least 20% acid cheese whey to a value of between about 6.0 and about 8.0 to cause precipitation of the modified whey solids product.

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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 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 1997.
  • 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 27, 1976
GrantedNovember 25, 1980
Term endedNovember 25, 1997
Patent numberCA 1090195 A
Classification (IPC)A23C19/14 +2 more

Timeline

Timeline From CIPO dates

1977198019831986198919921995Application filedJan 27, 1976Patent grantedNov 25, 1980Term endedNov 25, 1997

Sources & verification

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