Deactivating emulsions
CA 2553740 C · Owner: University Of Southampton · Inventors: Hughes, John; Higgins, Sabrina; Mckechnie, Malcolm Tom
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of deactivating an allergen involves dispersing into an airspace an allergen deactivant, the deactivant being provided in the form of an oil-inwater emulsion comprising at least 8 wt% deactivant. Preferably the deactivant is dispersed into the airspace as a vapour. Preferably the dispersal is aided by heat applied to the emulsion.
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 February 14, 2005 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 14, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.