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. 04, 2017
Filed:
Oct. 18, 2012
3m Innovative Properties Company, St. Paul, MN (US);
Philip A. Jinks, Loughborough, GB;
Christopher G. Blatchford, Loughborough, GB;
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
The present invention relates to methods of making medicinal aerosol canisters (), in particular metered dose canisters (), comprising aerosol formulation comprising medicament particles suspended in liquid propellant, for example for delivery by pulmonary or nasal inhalation as well as medicinal dispensers () including such canisters (), such as metered dose medicinal dispenser in particular pressurized metered dose inhalers, wherein the liquid propellant in some embodiments contains HFA 134a and/or HFA 227, and the propellant component is subjected to one or more ultrasonic probes.