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Expired Canadian patentCanada

Therapeutic diet for dogs with lymphoma

CA 2234249 C · Owner: Hand, Michael S. · Inventors: Ogilvie, Gregory K.; Hand, Michael S.; Davenport, Deborah J.

CIPO record

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Abstract From the Canadian patent

The severity of metabolic disturbance in animals with cancer is mitigated by feeding the animal a nutritionally balanced food composition having a fat content of about 27 to 35 %, on a dry matter basis a carbohydrate content of , about 15 to about 27 % on a dry matter basis in which is present a mixture of arginine, omega-3 polyunsaturated fatty acids and omega-6 polyunsaturated fatty acids, the weight ratio of omega-3 omega-6 fatty acid being in the , range of 0.3:1 to 3.5:1.

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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

  • Filed October 4, 1996 and granted March 26, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 4, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 4, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 4, 1996
GrantedMarch 26, 2002
Term endedOctober 4, 2016
Patent numberCA 2234249 C
Classification (IPC)A61K31/19 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedOct 4, 1996Patent grantedMarch 26, 2002Term endedOct 4, 2016

Sources & verification

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