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. 11, 2017
Filed:
May. 19, 2004
Applicants:
Sandrine Salle, Saint Illiers la Ville, FR;
Emmanuel Guerin, Colombes, FR;
Inventors:
Sandrine Salle, Saint Illiers la Ville, FR;
Emmanuel Guerin, Colombes, FR;
Assignees:
ETHYPHARM, , FR;
TORAY INDUSTRIES, INC., , JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/5585 (2006.01); A61K 9/50 (2006.01);
U.S. Cl.
CPC ...
A61K 31/5585 (2013.01); A61K 9/5078 (2013.01);
Abstract
An oral sustained release pharmaceutical composition comprising a plurality of granules having diameters of not more than 1000 μm, wherein each of the granules comprise a nucleus granule comprised of beraprost sodium and a coating agent coating the nucleus granule, and wherein the coating agent is comprised of a first skin layer containing one or more relatively water-insoluble macromolecular substances, and a second skin layer containing one or more hot-melt low-melting substances.