Encapsulation of sensitive components into a matrix to obtain discrete shelf-stable particles
CA 2385696 C · Owner: Van Lengerich, Bernhard H. · Inventors: Van Lengerich, Bernhard H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A solid active, sensitive encapsulant component is admixed with at least one plasticizable matrix material, a matrix component which is substantially nonplasticizable at temperatures lower than the decomposition temperature of the encapsulant and which increases the rate of release of the encapsulant from the matrix, and a liquid plasticizer, to obtain a formable extrudable, cuttable mixture or dough.
Read the whole patent
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 August 17, 2000 and granted January 12, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 17, 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.
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.