Genetic engineering process for the preparation of hirudins, and means for carrying out this process
CA 1341124 C · Owner: Habermann, Paul · Inventors: Brauer, Dieter; Wengenmayer, Friedrich; Uhlmann, Eugen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is possible to obtain hirudin in a genetic engineering process using a specific DNA sequence. The gene is advantageously synthesized in the form of several fragments which are ligated enzymatically to give two larger part sequences which are incorporated in hybrid plasmids and amplified in host organisms. After re-isolation of the part sequences, they are combined to give the total gene which is incorporated into a hybrid plasmid and , expression of the latter is induced in a host organism.
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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 October 24, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2017.
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Timeline
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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.