Light stable physical developer
CA 2037845 C · Owner: Noppe, Marcus J.M. · Inventors: Van Nuffel, Lucas A.M.; Noppe, Marcus J.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A light-stable physical developer comprising a solution of silver ions a, desensitizing agent and a reducing agent. A method for the detection of one or more, components of an aggregate formed between at least one specific binding agent and its, corresponding bindable substance by labelling at least one component of said aggregate, with a marker and contacting said aggregate with said light-stable physical developer, whereby under influence of the marker a metal particle is formed which can be detected. Further the invention also relates to products e.g. a test-kit adapted for , carrying out the above mentioned method.
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 March 8, 1991 and granted December 10, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 8, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2013.
- 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.