US 11,911,540 B2
Apparatus for delivering a volatile material
Dana Paul Gruenbacher, Fairfield, OH (US); Jason John Olchovy, West Chester, OH (US); Scott Kendyl Stanley, West Chester, OH (US); James Douglas Still, Cleves, OH (US); Walter Sordo, Trento (IT); Stefano Deflorian, Trento (IT); and Cedric Morhain, Cerdanyola del Valles (IT)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Nov. 1, 2022, as Appl. No. 17/978,249.
Application 17/978,249 is a continuation of application No. 16/517,774, filed on Jul. 22, 2019, granted, now 11,517,643.
Application 16/517,774 is a continuation of application No. 15/237,654, filed on Aug. 16, 2016, abandoned.
Application 15/237,654 is a continuation of application No. 14/217,955, filed on Mar. 18, 2014, granted, now 9,439,993, issued on Sep. 13, 2016.
Application 14/217,955 is a continuation of application No. 12/694,637, filed on Jan. 27, 2010, granted, now 8,740,110, issued on Jun. 3, 2014.
Claims priority of provisional application 61/169,840, filed on Apr. 16, 2009.
Prior Publication US 2023/0061458 A1, Mar. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61L 9/12 (2006.01)
CPC A61L 9/12 (2013.01) [A61L 9/127 (2013.01); A61L 2209/131 (2013.01); A61L 2209/133 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An apparatus for delivering a volatile material comprising:
a delivery engine having a reservoir comprising a volatile material mixture; a microporous membrane enclosing said reservoir; and a rupturable substrate enclosing said reservoir;
a rupture element comprising a support structure, wherein the rupture element is configured to engage the rupturable substrate;
a housing for receiving said delivery engine, wherein the housing comprises a plurality of vents for facilitating the diffusion of volatile materials from the microporous membrane; and
a flow path from the reservoir, through the rupturable substrate, and to the microporous membrane.