Application
13288705 · WELLBORE TREATMENT COMPOSITIONS COMPRISING HYDROPHILICALLY MODIFIED POLYMERS AND NONIONIC SURFACTANTS
Filed 2011-11-03 · Granted · Patent 8198220 (2012-06-12) The official file ↗The patent and its PDF ↗ · Art unit 3991 · Examiner Timothy J Kugel Easy · CPC C09K 8/68 · SHAWN SMITH
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first was Notice of allowance
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to disposition 7.3 mo
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