Details for Patent: 5,775,321

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Summary for Patent: 5,775,321

Title:	Seal configuration for aerosol canister
Abstract:	A dual seal configuration for an aerosol canister containing a medicinal aerosol formulation. The canister includes a vial body and valve ferrule sealed by first and second sealing members to form a chamber that contains the medicinal aerosol formulation. The dual seal configuration reduces leakage of contents, and is particularly helpful where the formulation includes hydrofluorocarbon propellant and an ethanol cosolvent. The first seal can be selected to be a barrier to the formulation components, while the second seal can be relatively more labile to such components.
Inventor(s):	Alband; Todd D. (Eagan, MN)
Assignee:	Minnesota Mining and Manufacturing Company (St. Paul, MN)
Application Number:	08/361,719
Patent Claim Types: see list of patent claims	Formulation; Device;

Drugs Protected by US Patent 5,775,321

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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

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