Microstructured pipettes as metering systems
CA 2389656 A1 · Owner: Bartos, Holger · Inventors: Yu, Ying; Peters, Ralf-Peter; Schleich, Bernhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to pipettes with structured surfaces. The surfaces of the pipettes which come into contact with a liquid have surface elevations with an average height of 50 nm to 10 µm an average distance of 50 nm to , 10 µm and surface energies of less than 19 mN/m.
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 October 31, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 31, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 31, 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.