Preservation of oxydation sensitive substances by formation of water
CA 1108993 A · Owner: Astra Lakemedel Aktiebolag · Inventors: Ernerot, Lennart S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process for preventing decomposition by oxidation of substances sensitive to oxidation, which substances are present in pharmaceutically active preparations in the form of solutions. The preparations present in ampoules, disposable syringes, vials and the like are thereby enclosed in an outer package made of oxygen impervious material, into which outer package hydrogen and a catalyst capable of catalyzing the reaction of hydrogen and oxygen to water, is introduced, and such a package.
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 September 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 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.