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:
Apr. 10, 2012
Filed:
Mar. 16, 2005
Roberto Bilzi, Parma, IT;
Angela Armanni, Parma, IT;
Roberto Rastelli, Parma, IT;
Daniela Cocconi, Parma, IT;
Rosella Musa, Parma, IT;
Roberto Bilzi, Parma, IT;
Angela Armanni, Parma, IT;
Roberto Rastelli, Parma, IT;
Daniela Cocconi, Parma, IT;
Rosella Musa, Parma, IT;
Chiesi Farmaceutici S.p.A., Parma, IT;
Abstract
The invention provides a formulation to be administered as dry powder for inhalation suitable for efficacious delivery of low-dosage strength active ingredients to the low respiratory tract of patient. In particular, the invention provides a formulation comprising microparticles constituted of microparticles of a low-dosage strength active ingredient and microparticles of an excipient wherein the MMD of the microparticles is comprised between 2 and 15 micron, at least 10% of the microparticles has a mass diameter (MD) higher than 0.5 micron, and the process of preparation thereof.