Compositions – Leather or fur treating
Patent
1991-03-28
1992-05-05
Stoll, Robert L.
Compositions
Leather or fur treating
252 8553, 25218632, 252330, 252358, 42840222, 427213, 166308, 524364, 525211, E21B 4326
Patent
active
051104865
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 polyer 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.
REFERENCES:
patent: 4307204 (1981-12-01), Vidal
patent: 4627850 (1986-12-01), Deters et al.
Drake Evelyn N.
Geiger Albert J.
Kresge Edward N.
Manalastas Pacifico V.
McDougall Lee A.
Exxon Research and Engineering Company
Sayala Chhaya
Simon Jay
Stoll Robert L.
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