Process for producing transglutaminase
CA 2356597 A1 · Owner: Ejima, Daisuke · Inventors: Ejima, Daisuke; Yokoyama, Keiichi; Ono, Kunio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Transglutaminase having an enzymatic activity is produced by subjecting transglutaminase which is in a denatured state to a process involving at least the following steps (a) and (b): (a) the step of forming an intermediate structure, which shows the enzymatic activity in an aqueous medium under acidic conditions, of the denatured enzyme in the course of forming the structure; and (b) the step of forming a higher-order structure which shows , the enzyme activity in an aqueous medium at a pH value within the neutral region, of the enzyme having the intermediate structure in the course of forming the structure as described above. Thus transglutaminase obtained in a , denatured state …
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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 December 24, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 24, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 24, 2021.
- 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.