Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Patent
1985-01-11
1989-07-18
Robinson, Allen J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Phosphorus containing other than solely as part of an...
424 78, 514147, 514740, 514746, A01N 2902, A01N 5700, A01N 5710
Patent
active
048494151
ABSTRACT:
Compositions capable of the sustained release of active organic agents are made from an aqueous dispersion of a water-insoluble cellulose ether which cellulose 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.
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Robinson Allen J.
The Dow Chemical Company
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