Encapsulated breakers, compositions and methods of use

Details Encapsulated breakers, compositions and methods of use Encapsulated breakers, compositions and methods of use

1998-05-29

2000-12-19

Warden, Jill

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

507201, 507276, 507921, 507922, 428403, 428404, 428407, C09K 702, C09K 704, B32B 516, B32B 1502

Patent

active

061627666

ABSTRACT:
An encapsulated breaker is enclosed within a hydrolytically degradable polymer coating. Compositions containing this encapsulated breaker, methods of making and methods of use are also described.

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Florence, A.T., "Potentially Biodegradable Microcapsules with Poly(alkyl 2-cyanoacrylate) membranes, " J. Pharm. Pharmacol., vol. 31, No. 6, (Jun. 1979) pp. 422-424.
Kante et al. (Int. J. Pharm., 1980, 7, 45.).

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