An electrolyte for electrolytic capacitor
CA 1339592 C · Owner: Nippon Chemi-Con Corporation · Inventors: Yokoyama, Yutaka; Shinozaki, Fumihiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrolyte for an electrolytic capacitor containing in an aprotic solvent a hexafluorophosphate of an organic amine compound as solute. The electrolyte may conveniently be prepared by adding to an aqueous solution of hexafluorophosphate an equivalent amount of an organic amine compound for reaction with subsequent reduction and drying to obtain an anhydrous salt which as an approximately 10% by weight solution is then added to the aprotic solvent to prepare the resultant electrolyte.
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 December 23, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 2014.
- 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.