Expired Canadian patentCanada
Enzyme electrode membrane wherein enzyme is protectively encapsulated
CA 1215660 A · Owner: Miles Laboratories, Inc. · Inventors: Oberhardt, Bruce J.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A membrane for electrochemical analysis is described formed of a layer of polymer having dispersed therethrough pockets of enzyme protected by an environment which prevents deterioration of the enzyme.
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
- Granted December 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 18, 1982
GrantedDecember 23, 1986
Term endedDecember 23, 2003
Patent numberCA 1215660 A
Classification (IPC)C12N11/04 +2 more
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.