A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) C09J 133/06 (2006.01) A61L 15/58 (2006.01)
Patent
CA 2602074
A water based polymeric dispersion for PSA adhesive preparation for transdermal system comprising: a) an aqueous dispersion of a polymer of an acrylate and/or a methacrylate ester, b) a plasticizer c) a shrinkage reducing agent able to reduce the shrinkage of the water PSA dispersion when spread onto a surface to width values lower than 20 mm after 3 minutes rest.
L~invention concerne une dispersion polymérique aqueuse pour la préparation d~adhésifs sensibles à la pression utilisés dans un système transdermique, comprenant : a) une dispersion aqueuse d~un polymère d~ester d~acrylate et/ou de méthacrylate, b) un plastifiant, c) un agent réduisant le retrait capable de réduire le retrait d~une dispersion aqueuse d~adhésif sensible à la pression étalée sur une surface à des valeurs en largeur inférieures à 20 mm après 3 minutes de repos.
Cilurzo Francesco
Minghetti Paola
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Pharmafilm S.r.l.
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