Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Simon James0
Bruno Drochon0
Date of Patent
March 31, 2015
Patent Application Number
12989695
Date Filed
April 23, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
Compositions that swell on contact with water contain a non-swellable thermoplastic or thermoset polymer and a swellable inorganic compound. In particular, the compositions are suitable for use in subterranean wells such as those used in the oil and gas industry. The polymer may be polypropylene and the inorganic compound may be magnesium oxide.
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