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:
Mar. 06, 2007
Filed:
Dec. 20, 2002
Daniel C. Duan, St. Paul, MN (US);
Robert A. Scherrer, White Bear Lake, MN (US);
James S. Stefely, Woodbury, MN (US);
Daniel C. Duan, St. Paul, MN (US);
Robert A. Scherrer, White Bear Lake, MN (US);
James S. Stefely, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The invention comprises a medicinal aerosol composition comprising a propellant, an excipient comprising an acid or amine end-group and at least one and no more than two amide and/or ester functional groups, and a drug. The invention also comprises particulate medicinal compositions comprising particles with a mean mass aerodynamic diameter of less than about 10 microns that incorporate an excipient containing an acid or amine end-group and at least one and no more than two amide and/or ester functional groups.