Last Updated: August 13, 2026

Details for Patent: 7,556,798

Name: Drug Patent Intelligence for US Patent 7556798
Creator: DrugPatentWatch
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Summary for Patent: 7,556,798

Title:	Highly efficient delivery of a large therapeutic mass aerosol
Abstract:	A method for delivering an agent to the pulmonary system, in a single, breath-activated step or a single breath, comprises administering from a receptacle enclosing a mass of particles, to a subject's respiratory tract, particles which have a tap density of less than 0.4 g/cm3 and deliver at least about 50% of the mass of particles. The particles are capable of carrying agents. The agent is (1) part of the spray-drying pre-mixture and thereby incorporated into the particles, (2) added to separately-prepared particles so that the agent is in chemical association with the particles or (3) blended so that the agent is mixed with, and co-delivered with the particles.Respirable compositions comprising carrier particles having a tap density of less than 0.4 g/cm3 and a composition comprising an agent are also disclosed. Methods of delivering these respirable compositions are also included.
Inventor(s):	David A. Edwards, Richard P. Batycky, Lloyd Johnston
Assignee:	Civitas Therapeutics Inc
Application Number:	US09/878,146
Patent Claim Types: see list of patent claims	Use; Delivery;

Drugs Protected by US Patent 7,556,798

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 7,556,798

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	357222	⤷ Start Trial
Australia	2001275368	⤷ Start Trial
Australia	7536801	⤷ Start Trial
Canada	2412561	⤷ Start Trial
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