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Canadian application, no grantCanada

Submucosal xenografts

CA 2446362 A1 · Owner: Crosscart, Inc. · Inventors: Stone, Kevin R.

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 a substantially non-immunogenic submucosal xenograft for implantation into humans. The invention further provides methods for preparing the xenograft by removing at least a portion of a submucosa from a non-human animal; washing the xenograft in saline and alcohol; subjecting the xenograft to cellular disruption treatment; and digesting the xenograft with a glycosidase to remove surface carbohydrate moieties. The invention also provides an article of manufacture produced by the above-identified method. The invention further provides a submucosal xenograft for implantation into a human including a portion of a submucosal tissue from a non-human animal wherein …

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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 April 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 18, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 18, 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.
FiledApril 18, 2002
GrantedNo grant recorded
Term endedApril 18, 2022
Patent numberCA 2446362 A1
Classification (IPC)A61F2/38 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedApril 18, 2002Term endedApril 18, 2022

Sources & verification

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