The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 02, 2019
Filed:
Jul. 18, 2007
Philip A. Jinks, Leicestershire, GB;
Peter David Hodson, Cerbyshire, GB;
Paul E. Hansen, Lake Elmo, MN (US);
Philip A. Jinks, Leicestershire, GB;
Peter David Hodson, Cerbyshire, GB;
Paul E. Hansen, Lake Elmo, MN (US);
3M Innovative Properties Company, , MN (US);
Abstract
A pressurized metered dose dispenser () for dispensing an aerosol formulation comprising particles of a medicament suspended in liquefied propellant, optionally in combination with one or more excipients, the dispenser comprising an aerosol container () equipped with a metered dose valve (), where a formulation chamber is defined in part by the internal walls of the container, and wherein the dispenser further comprises a porous, fluid permeable, particulate semi-permeable body () located within the formulation chamber adjacent to the metered dose valve.