Darby & Darby
Fragrances and flavorants
 Compositions useful in the delivery of fragrances and flavorant active agents, and particularly vaporous fragrances and flavorants, are provided. These compositions include a microsphere which includes (a) the active agent; and (b) (i) a proteinoid, (ii) a modified hydrolyzed vegetable protein wherein the protein is modified with an amino reactive agent, or (iii) a combination thereof. Also contemplated is a method for preparing these compositions wherein the active agent is mixed with the proteinoid of hydrolyzed vegetable protein solution and the proteinoid or modified hydrolyzed vegetable protein is precipitated out of the solution, thereby forming a microsphere containing the active agent. In a further embodiment, the active agent is applied to a substrate. 
Emisphere Technologies, Inc.
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A61Q A61K A23L A61K A61K A61L B01J A61K
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Sam J.
Milstein