Process for preparing a barium titanate film
CA 1321343 C · Owner: Alfred University · Inventors: Bhargava, Atit; Snyder, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
13, Abstract of the invention, A process for preparing a tetragonal barium titanate film with a thickness of from about 0.1 millimeter to about 1.5 millimeters is disclosed. In the first step of this processs there is provided a batch containing from about 46 to about 54 mole percent of barium oxide, from about 18 to about 32 mole percent of titanium oxide, and from about 32 to about 18 mole percent of boron oxide, wherein each of said reagents is calculated on the oxide basis in mole percent from a barium compound a, titanium compound, and a boron oxide compound in said batch. In the second step of the process the batch is melted, at a temperature of from about 1300 to about 1400 degrees …
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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 August 17, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 17, 2010.
- 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.