公开(公告)号：US20240197648A1

公开(公告)日：2024-06-20

申请号：US18285550

申请日：2022-04-13

Applicant: PHILIP MORRIS PRODUCTS S.A.

Inventor： Mari Liova Atabekyan ,  Zoya Melik Farmazyan ,  Stepan Grigor Grigoryan ,  Laurent Lavanant ,  Vigen Onik Topuzyan

IPC: A61K9/70 ,  A24B15/32 ,  A61K9/00 ,  A61K31/435 ,  C08K5/053 ,  C08K5/5415 ,  C08L83/04

CPC classification number: A61K9/7084 ,  A24B15/32 ,  A61K9/007 ,  A61K31/435 ,  C08K5/053 ,  C08K5/5415 ,  C08L83/04

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.