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Expired Canadian patentCanada

Tolerizing and desensitizing compounds, compositions and methods of treatment against dermatological conditions caused by allergens from plants and trees of the anacardiaceae and giankgoaceae families

CA 1164473 A · Owner: University Of Mississippi (The) · Inventors: Elsohly, Mahmoud; Waller, Coy W.; Watson, Edna S.

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Abstract From the Canadian patent

TOLERIZING AND DESENSITIZING COMPOUNDS COMPOSITIONS AND, METHODS OF TREATMENT AGAINST DERMATOLOGICAL CONDITIONS CAUSED BY ALLERGENS FROM PLANTS AND TREES OF THE ANA- CARDIACEAE AND GINKGOACEAE FAMILIES, ABSTRACT . Compounds, compositions and a method of treatment to tolerize and desensitize mammals sensitive to the allergenic moities found in plants of the Anacardiaceae and Ginkgoaceae families comprising the reaction product of poison ivy urushiol, poison oak urushiol poison sumac, urushiol & mixtures thereof 3-n-alkane substituted catechol, derivatives having 11 to 19 carbon atoms and the unsaturated olefinic congeners thereof with an acyl ester functioning group esterifying the …

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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 March 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 5, 1979
GrantedMarch 27, 1984
Term endedMarch 27, 2001
Patent numberCA 1164473 A
Classification (IPC)C07C69/03 +2 more

Timeline

Timeline From CIPO dates

19801983198619891992199519982001Application filedSep 5, 1979Patent grantedMarch 27, 1984Term endedMarch 27, 2001

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