Anti-microbial compositions
CA 2073768 C · Owner: Galley, Edward · Inventors: Hodgkinson, Darren Michael; Guthrie, Walter Graham; Galley, Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Anti-microbial compositions are described which contain iodide and thiocyanate anions, an oxidoreductase enzyme, namely glucose oxidase, and its corresponding oxidisable substrate D-glucose. Such , compositions may advantageously further comprise a peroxidase such as lactoperoxidase. The compositions have excellent antimicrobial properties effective against bacteria yeasts and moulds. The compositions may be provided in concentrated substantially non-reacting forms such as dry powders and non-aqueous solutions which may be diluted to provide compositions with broad spectrum anti-microbial activity. Compositions may be used as preservatives or as active agents providing potent …
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 January 30, 1991 and granted April 10, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 30, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2013.
- 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.