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|Title:||Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen|
|Abstract:||Delivery vehicles comprised of a polymeric bead having a network of pores with an active ingredient held within the network are provided for use in a method to provide controlled release of the active ingredient. The network of pores is substantially non-collapsible upon removal of the active ingredient and the delivery vehicles are polymerized by a process in which the active ingredient also comprises the porogen during formation of the network of pores.|
|Inventor(s):||Won; Richard (Palo Alto, CA)|
|Assignee:||Advanced Polymer Systems, Inc. (Redwood City, CA)|
Patent Claim Types:|
see list of patent claims
|Composition; Delivery; Process; Formulation; Use;|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
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