Substrate for delivering a biologically active substance
AssigneePhilip Morris Products S.A.
InventorsMari Liova Atabekyan, Zoya Melik Farmazyan, Stepan Grigor Grigoryan, Laurent Lavanant, Vigen Onik Topuzyan
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Abstract
A substrate (12) for delivering a biologically active substance, the substrate (12) comprising: a cross-linked silicone matrix formed by cross-linking a silicone polymer using at least one crosslinking agent comprising a tetraalkoxysilane, the cross-linked silicone matrix defining a plurality of domains, and a composition contained within the domains of the cross-linked silicone matrix, wherein the composition comprises: at least one monomeric glycol and at least one biologically active substance.
Claims17
A substrate for delivering a biologically active substance, the substrate comprising:
- a cross-linked silicone matrix formed by cross-linking a silicone polymer using at least one crosslinking agent comprising a tetraalkoxysilane, the cross-linked silicone matrix defining a plurality of domains;
- and
- a composition contained within the domains of the cross-linked silicone matrix, wherein the composition comprises:
- at least one monomeric glycol;
- and
- at least one biologically active substance.
Dependencies are inferred from the claim text.