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. 15, 2008
Filed:
Mar. 23, 2004
Applicants:
Giovanni Caponetti, Parma, IT;
Pier Luigi Catellani, Parma, IT;
Ruggero Bettini, Parma, IT;
Paolo Colombo, Parma, IT;
Paolo Ventura, Parma, IT;
Inventors:
Giovanni Caponetti, Parma, IT;
Pier Luigi Catellani, Parma, IT;
Ruggero Bettini, Parma, IT;
Paolo Colombo, Parma, IT;
Paolo Ventura, Parma, IT;
Assignee:
Chiesi Farmaceutici S.p.A., Parma, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); A61K 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Carrier particles, for use in the preparation of powdery mixtures for administration by inhalation, and having a median diameter of greater than 90 microns and a surface rugosity expressed as the fractal dimension of less than or equal to 1.1, may be prepared by subjecting particles having a median diameter of greater than 90 microns to repeated stages of wetting with a solvent and drying.