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Expired Canadian patentCanada

A pharmaceutical composition of complex carbohydrates and essential oils and methods of using the same

CA 2361268 C · Owner: Brown, Harold G. · Inventors: Brown, Harold G.; Brown, Karen K.; Hennessy, Kristina J.

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

The invention discloses the discovery that a pharmaceutical composition containing complex carbohydrates with or without natural or synthetic essential oils can work effectively as a topical oral or mucosal , pharmaceutical composition. Such pharmaceutical compositions reduce inflammation, assist in wound healing, protect against bruising relieve , itching, relieve pain and swelling and treat topical bacterial infections such as acne and decubitus ulcers and prevent and treat numerous other conditions and diseases. Such pharmaceutical compositions can be administered to mammals including humans. Also included in this invention are methods to deliver topically applied macromolecules …

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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 February 1, 2000 and granted June 10, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 1, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 1, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 1, 2000
GrantedJune 10, 2014
Term endedFebruary 1, 2020
Patent numberCA 2361268 C
Classification (IPC)A61K31/71 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedFeb 1, 2000Patent grantedJune 10, 2014Term endedFeb 1, 2020

Sources & verification

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