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. 18, 2003
Filed:
Jun. 25, 2001
Applicant:
Inventors:
Patrick Busson, Bad Krozingen, DE;
Marco Schroeder, Schopfheim, DE;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/20 ; A61K 9/22 ; A61K 9/28 ; A61K 9/24 ; A61K 3/170 ;
U.S. Cl.
CPC ...
A61K 9/20 ; A61K 9/22 ; A61K 9/28 ; A61K 9/24 ; A61K 3/170 ;
Abstract
A method for the preparation of compositions, preferably pharmaceutical compositions, in form of expanded, mechanically stable, lamellar, porous, sponge-like or foam structures out of solutions and dispersions results in a favored pharmaceutical product. This method comprises the steps of a) preparing a solution or a homogeneous dispersion of a liquid and a compound selected from the group consisting of one or more pharmaceutically active compounds, one or more pharmaceutically suitable excipients, and mixtures thereof, followed by b) the expansion of the solution or the homogeneous dispersion without boiling.