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US-2015366855-A1 · Dec 24, 2015 · US
Templated open flocs of anisotropic particles for enhanced pulmonary delivery
US12263243B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12263243-B2 |
| Application number | US-37157309-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 13, 2009 |
| Priority date | Feb 13, 2008 |
| Publication date | Apr 1, 2025 |
| Grant date | Apr 1, 2025 |
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- Title
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Abstract
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The present invention includes compositions and methods for treating and delivering medicinal formulations using an inhaler. The composition includes a space filled flocculated suspension having one or more flocculated particles of one or more active agents and a hydrofluoroalkane propellant. A portion of the one or more flocculated particles is templated by the formation of hydrofluoroalkane droplets upon atomization and the templated floc compacts upon the evaporation of the hydrofluoroalkane propellant to form a porous particle for deep lung delivery.
First claim
Opening claim text (preview).
What is claimed is: 1. Flocculated pharmaceutically active starting drug particles (“starting floc drug particles”), of one or more drugs, the starting floc drug particles having aerodynamic diameters that have not been pre-formed, the starting floc drug particles being positioned in a dry powder inhaler (dpi) having one or more particle exit orifices, the starting floc drug particles being anisotropic and asymmetric such that when the dpi is actuated, the starting floc drug partic…
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Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
- A61K9/008Primary
Human Necessities · mapped topic
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- What does patent US12263243B2 cover?
- The present invention includes compositions and methods for treating and delivering medicinal formulations using an inhaler. The composition includes a space filled flocculated suspension having one or more flocculated particles of one or more active agents and a hydrofluoroalkane propellant. A portion of the one or more flocculated particles is templated by the formation of hydrofluoroalkane d…
- Who is the assignee on this patent?
- Johnston Keith P, Engstrom Joshua, Tam Jasmine, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification A61K9/008. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Apr 01 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).