Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1992-01-09
1993-02-16
Stoll, Robert L.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
504116, 428403, 428407, 428500, 428517, 428334, 427213, 427214, 71 28, 71 6402, 71 6411, 424408, 525344, 524364, 524547, B32B 2706, B32B 2700
Patent
active
051870118
ABSTRACT:
An encapsulated breaker chemical composition used in an oil or gas stimulation operation which comprises: a breaker chemical; and a pinhole free coating of an ionically and covalently crosslinked neutralized sulfonated elastomeric polymer of about 2 to about 80 microns thick deposited onto the surface of the breaker chemical, wherein said polymer encapsulates the breaker chemical, wherein the polymer is permeable to the breaker chemical and the polymer is non-reactive to the breaker chemical.
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Drake Evelyn N.
Geiger Albert J.
Kresge Edward N.
Manalastas Pacifico V.
McDougall Lee A.
Exxon Research and Engineering Company
Sayala C.
Simon Jay
Stoll Robert L.
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