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Expired Canadian patentCanada

Process for crystal growth of ktiopo_ from solution

CA 1308001 C · Owner: Loiacono, Gabriel M. · Inventors: Bordui, Peter F.; Loiacono, Gabriel M.

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Abstract From the Canadian patent

Process for crystal growth of KTiOPO4 from solution. Large flaw-free crystals of KTiOPO4 and the Rb Ti and As analogs are produced by preparing a melt of KTiOPO4 or its analog in a flux in which the ratio by weight of KTiOPO4 to the flux at the seeding temperature is equal to the saturation value of the KTiOPO4 in the flux, suspending a crystal of KTiOPO4 in the melt and then slowly decreasing the temperature of the melt while essentially spatially isothermal conditions are provided throughout the melt.

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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 September 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 27, 1987
GrantedSeptember 29, 1992
Term endedSeptember 29, 2009
Patent numberCA 1308001 C
Classification (IPC)C30B29/10 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMay 27, 1987Patent grantedSep 29, 1992Term endedSep 29, 2009

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.