Dielectric fluid
CA 1075889 A · Owner: The Dow Chemical Company · Inventors: Jackson, Larry L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Dielectric fluids having good electrical properties, low viscosities, low vapor pressures low, freezing points, high flash points and excellent biodegradability comprise a mixture of an alkylhalodiphenyl oxide and a chloro- or bromodiphenyl oxide. The fluids of this invention are used in transformers and capacitors in electrical distribution systems. 16,759-F
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 April 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 22, 1997.
- 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.