Production of pigment of the formula catizr309
CA 1059730 A · Owner: Nl Industries · Inventors: Blumenthal, Warren B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PRODUCTION OF PIGMENT OF THE FORMULA CaTiZr3O9 Abstract of the Disclosure, Novel crystalline compounds particularly useful, as pigments, having a composition corresponding to the formula CaTiZr3O9 and distinctive x-ray diffraction patterns. One such compound can be produced by calcining to a temperature of at least 1250°C. an intimate mixture of the oxides of Ti, Ca, and Zr in approximatley the atomic ratio of 1:1:3. The Ca Ti and Zr are preferably in the atomic ratios of 1:1:3 and oxygen is present in the amount necessary to form the highest oxides of the three metals. Chemically homogeneous conglomerates suitable for the production of such compound are obtainable by coprecipitation or by …
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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 7, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 7, 1996.
- 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.