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Expired Canadian patentCanada

Protein encapsulated lipid feed supplement

CA 1095318 A · Owner: Blue Wing Corporation · Inventors: Proctor, Donald; Rawlings, Robert M.

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

A lipid containing supplement for animal feeds is produced by forming a proteinaceous solution and mixing it with a liquid lipid material to form an imulsion which in turn is contacted with an acid pH adjusting agent resulting in a lipid-containing proteinaceous gel. The gel may then easily be dried to produce a convenient to handle particulate feed supplement.

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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 February 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 10, 1998.
  • 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 7, 1977
GrantedFebruary 10, 1981
Term endedFebruary 10, 1998
Patent numberCA 1095318 A
Classification (IPC)A23K20/15 +1 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedMarch 7, 1977Patent grantedFeb 10, 1981Term endedFeb 10, 1998

Sources & verification

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