PROCESS FOR PROVIDING A FILLED CANISTER FOR AN INHALER
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Feb 9, 2011
filing date -
Feb 10, 2010
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Abandoned
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Abstract
A process for filling a canister for an inhaler is provided. The canister may be filled with components of a medicament. The canister may be suitable for use in a pressurised metered dose inhaler, such as a breath-actuate inhaler. The process may include sealing the canister with air at ambient conditions. A filling device may dispense a pressurised liquid or gas into the sealed, air-filled canister through a metering valve. The pressurised liquid or gas may comprise at least a propellant. While pressure-filled canisters were previously purged with propellant immediately before sealing to remove the air, the present process may exclude the purging step.
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