US Patent 7732380 Drilling fluids containing biodegradable organophilic clay
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Patent abstract
Drilling fluids are provided that comprise an organophilic clay treated with a quaternary ammonium surfactant having an amide linkage. The quaternary ammonium surfactant may comprise a compound generally represented by the following formula:
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US Patent 07732380 Drilling fluids containing biodegradable organophilic clay US Patent 7732380 Drilling fluids containing biodegradable organophilic clay
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Patent Number
0773238000
Patent Number
773238000
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Patent Jurisdiction
Patent Number
077323800
Date of Patent
June 8, 2010
0Patent Application Number
123975170
Date Filed
March 4, 2009
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
077323800
Date of Patent
June 8, 2010
0Patent Application Number
123975170
Date Filed
March 4, 2009
0Official Website
Patent Primary Examiner
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US Patent 07732380 Drilling fluids containing biodegradable organophilic clay
Infobox
Is a
Patent jurisdiction
Patent number
07732380
Date of patent
June 8, 2010
Patent application number
12397517
Date Filed
March 4, 2009
Patent primary examiner
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