Method and device for identifying a polymer
CA 2371710 A1 · Owner: Walter, Harald · Inventors: Bauer, Georg; Bertling, Wolf; Walter, Harald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for identifying a first polymer (4 7) which , is bonded to a first phase (5) that reflects electromagnetic waves. Said method comprises the following steps: (a) bringing the first polymer (4 7) , into contact with a second polymer (3 8), which is bonded to a solid second phase (1) by metallic clusters (2), said second phase being permeable to electromagnetic waves; (b) iradiating the second phase (1) with electromagnetic waves; and (c) determining the change in the properties of the reflected electromagnetic waves.
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 June 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2022.
- 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.