Lyophilized preparation for synthesis of cell-free protein
CA 2485827 A1 · Owner: Ogasawara, Tomio · Inventors: Endo, Yaeta; Ogasawara, Tomio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lyophilized preparations from cell extract for use in cell-free protein which , exhibit an activity for protein synthesis being in no way inferior to that exhibited in low-temperature storage; and a method of utilizing the same. In particular, preparations are formed by performing lyophilization after reducing the concentration of deliquescent substances in a solution containing cell extract for synthesis of cell-free protein to a level not detrimental to the quality of preparations after lyophilization.
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 May 6, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 6, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 6, 2025.
- 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.