US Patent 7938878 Fine grained cemented carbide with refined structure
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Edits on 27 Nov, 2023
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Patent abstract
The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained.
Edits on 18 May, 2023
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US Patent 07938878 Fine grained cemented carbide with refined structure US Patent 7938878 Fine grained cemented carbide with refined structure
Infobox
Patent Number
0793887800
Patent Number
793887800
Edits on 26 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079388780
Date of Patent
May 10, 2011
0Patent Application Number
121299630
Date Filed
May 30, 2008
0Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079388780
Date of Patent
May 10, 2011
0Patent Application Number
121299630
Date Filed
May 30, 2008
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
Edits made to:
Infobox (+7 properties)
US Patent 07938878 Fine grained cemented carbide with refined structure
Infobox
Is a
Patent jurisdiction
Patent number
07938878
Date of patent
May 10, 2011
Patent application number
12129963
Date Filed
May 30, 2008
Patent primary examiner
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