Prosthetic devices having bone-binding properties as well as the therapeutic use of said devices
CA 1341282 C · Owner: Van Blitterswijk, Clemems Antoni · Inventors: Van Blitterswijk, Clemems Antoni; Bakker, Dirkjan; Grote, Johannes Jacobus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to prosthetic devices having bonebonding properties like alloplastic tympanic membranes and ventilation tubes for application in the tympanic membrane as well as to their therapeutic use. Said devices are manufactured of a segmented thermoplastic copolyester consisting essentially of a multiplicity of recurring longchain ester units and short-chain ester units said long-, chain ester units comprising from 30-75% by weight of the copolyester and being represented by the formula -OLO-CO-R-CO-, and said short-chain ester units being represented by the formula, -OEO-CO-R-CO-, where, L in said long-chain unit is a divalent radical remaining after removal of terminal …
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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 August 7, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 7, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.