Detection of allergen-associated materials
CA 2428170 A1 · Owner: Cranfield University · Inventors: Bolbot, John Anthony; White, Stephen Frederick; Setford, Steven John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Measurement of the redox properties of household dust is used to detect the presence of allergen-associated materials. Measurement may be electrochemical preferably amperometric. A disposable electrode assembly may be made by screen printing with conductive (e.g. carbon and Ag/AgCl) inks. An absorbent pad overlying the electrodes can be used to wipe a surface to collect a sample. It may contain electrolyte and buffer components so that adding water carries , sample in an electrolyte/buffer solution to the electrodes.
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 November 12, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2023.
- 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.