US Patent 7645814 Core material
Patent 7645814 was granted and assigned to Georg Fischer (Swiss company) on January, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A method for the production of cores and molds for casting molds, based on a base molding material and an organic or inorganic binding agent and an additive. According to the method, pre-forming substances are used in order to dispense with the use of sizing substances and to prevent the formation of ribs.
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US Patent 07645814 Core material US Patent 7645814 Core material
Infobox
Patent Number
0764581400
Patent Number
764581400
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076458140
Date of Patent
January 12, 2010
0Patent Application Number
105136300
Date Filed
April 19, 2003
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076458140
Date of Patent
January 12, 2010
0Patent Application Number
105136300
Date Filed
April 19, 2003
0Official Website
Patent Primary Examiner
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US Patent 07645814 Core material
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07645814
Date of patent
January 12, 2010
Patent application number
10513630
Date Filed
April 19, 2003
Patent primary examiner
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