US Patent 7786053 Highly branched polymeric materials as coating on weighting agents
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Patent abstract
A wellbore fluid having at least two phases, the wellbore fluid including a fluid phase; and a solid phase including a powdered solid material coated with a polymer, wherein the polymer is the reaction product of a polyesteramide and a crosslinking agent is disclosed.
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US Patent 07786053 Highly branched polymeric materials as coating on weighting agents US Patent 7786053 Highly branched polymeric materials as coating on weighting agents
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Patent Number
0778605300
Patent Number
778605300
Edits on 7 Apr, 2023
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Patent Jurisdiction
Patent Number
077860530
Date of Patent
August 31, 2010
0Patent Application Number
117659490
Date Filed
June 20, 2007
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
077860530
Date of Patent
August 31, 2010
0Patent Application Number
117659490
Date Filed
June 20, 2007
0Official Website
Patent Primary Examiner
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US Patent 07786053 Highly branched polymeric materials as coating on weighting agents
Infobox
Is a
Patent jurisdiction
Patent number
07786053
Date of patent
August 31, 2010
Patent application number
11765949
Date Filed
June 20, 2007
Patent primary examiner
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