US Patent 7344693 Process for producing zirconia powder
Patent 7344693 was granted and assigned to Sumitomo Chemical on March, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Ichiro Tanaka0
Yoshio Uchida0
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Article (+416 characters)
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Patent abstract
There are provided:(I) a process for producing zirconia powder, which comprises the step of calcining a zirconium salt in an atmosphere containing hydrogen chloride, and(II) a process for producing zirconia powder, which comprises the steps of:(1) pre-calcining a zirconium salt to obtain a pre-calcined product, and(2) calcining the pre-calcined product in an atmosphere containing hydrogen chloride.
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US Patent 07344693 Process for producing zirconia powder US Patent 7344693 Process for producing zirconia powder
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Patent Number
073446930
Patent Number
73446930
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073446930
Date of Patent
March 18, 2008
0Patent Application Number
101400540
Date Filed
May 8, 2002
0Official Website
Patent Primary Examiner
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US Patent 07344693 Process for producing zirconia powder
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07344693
Date of patent
March 18, 2008
Patent application number
10140054
Date Filed
May 8, 2002
Patent primary examiner
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