Sterilizable, disposable optical scattering reference medium
CA 1094341 A · Owner: Oximetrix, Inc. · Inventors: Sperinde, John M.; Shaw, Robert F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical scattering reference medium is formed of a plurality of scattering particles substantially uniformly dispersed in a solid medium which is an incompressible body having a surface which is sufficiently compliant to effect intimate optical coupling with the end of a light guide, whereby to provide the interfacing properties of a liquid and the static dispersal of particles as within a solid. The combination provides a sterilizable disposable package for performing repeatable photometric measurements to standardize the performance of the photometric measuring instrument.
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
- Granted January 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 27, 1998.
- 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.