Method for improving the stability of stored and/or used light-sensitive therapeutic systems or components thereof
CA 2366859 A1 · Owner: Berthold, Achim · Inventors: Berthold, Achim
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 improving the stability of stored and/or used light-sensitive therapeutic systems or components thereof such as active , ingredients or auxiliary agents using light stabilising substances which absorb or reflect electromagnetic waves. The inventive method uses absorption or reflection elements whose absorptive or reflective spectrum encompasses the wavelength range which is responsible for the instability of the lightsensitive substance or components thereof.
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, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 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.