B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 83/14 (2006.01) A61M 11/00 (2006.01) C09K 3/10 (2006.01) A61K 9/00 (2006.01)
Patent
CA 2098727
A device for delivering an aerosol, comprising: a casing member (14), a valve stem (12), and a diaphragm (16), wherein the diaphragm comprises a thermoplastic elastomer comprising an ethylene/ 1-butene copolymer. Also disclosed are sealing members comprising such an elastomer and thermoplastic polymer blends, e.g., for use in sealing members of the invention. The devices of the invention are particularly useful with formulations containing 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane as the propellant.
Dispositif pour administrer un aérosol, comprenant: un corps (14), une tige de soupape (12), et un diaphragme (16), ledit diaphragme étant constitué d'un élastomère thermoplastique contenant un copolymère d'éthylène/1-butène. L'invention concerne également des éléments d'étanchéité contenant un tel élastomère et des mélanges de polymères thermoplastiques, par exemple, destinés à être utilisés dans les éléments d'étanchéité selon l'invention. Les dispositifs selon l'invention sont particulièrement utiles pour administrer des compositions contenant comme gaz propulseur du 1,1,1,2-tétrafluoroéthane ou du 1,1,1,2,3,3,3-heptafluoropropane.
Marecki Paul E.
Minnesota Mining And Manufacturing Company
Robic
LandOfFree
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