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Expired Canadian patentCanada

Use of picropodophyllin derivatives for treatment of igf-1r mediated disorders

CA 2451047 C · Owner: Axelson, Magnus · Inventors: Larsson, Olle; Axelson, Magnus

CIPO record

Overview

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

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Abstract From the Canadian patent

The invention provides use of a compound of formula I: (see formula I), for prophylaxis or treatment of a condition that is leukemia malignant , melanoma, Ewing's sarcoma, breast cancer prostate cancer, neuroblastoma, glioma myeloma, lymphoma, a gastrointestinal tumor a gynecological cancer or lung , cancer cells of which express insulin-like growth factor-1 receptor and the , invention also provides use of a compound of formula I for treating a condition , which is psoriasis, arteriosclerosis restenosis after coronary angioplasty or acromegaly.

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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 June 19, 2002 and granted October 9, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 19, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2024.
  • 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 19, 2002
GrantedOctober 9, 2012
Term endedJune 19, 2022
Patent numberCA 2451047 C
Classification (IPC)A61K31/36 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 19, 2002Patent grantedOct 9, 2012Term endedJune 19, 2022

Sources & verification

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