C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
167/163, 71/41,
C08L 1/26 (2006.01) A01N 25/10 (2006.01) A61K 9/18 (2006.01)
Patent
CA 1263597
ABSTRACT OF THE DISCLOSURE Compositions capable of the sustained release of active organic agents comprising an aqueous disper- sion of a water-insoluble cellulose ether which cellu- lose ether particles have reversibly diffused therein the active agent. The dispersions may be used as dispersions, dewatered to form a powder, or coalesced to form films or other articles all of which are capable of sustained release of the active agent.
448422
Smart & Biggar
The Dow Chemical Company
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