Patent ID: 9345837
Filing Date: 2016-05-24
CPC Classification: A61M

Claim Text:
1. A gasket for use in a syringe so formed as to liquid-tightly and slidably contact an inner surface of an outer cylinder of said syringe, said gasket comprising a gasket body made of an elastic body and a coating layer formed on a portion thereof which contacts at least said syringe, wherein said coating layer comprises a composition containing a silicone resin which comprises a condensate of a reactive silicone having a terminal silanol group at both terminals thereof, and wherein the condensate contains a siloxane bond derived from said silanol group, wherein said coating layer does not contain solid fine particles, wherein said composition contains an alkylalkoxysilane or a phenylalkoxysilane as a second silicone compound different from said silicone resin having said siloxane bond, an aminoalkylalkoxysilane or a glycidoxyalkylalkoxysilane as a third silicone compound, and said gasket has a plunger which is mounted on said gasket body or is capable of being mounted thereon.