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:
Sep. 14, 1999
Filed:
Apr. 21, 1997
Pharmacia & Upjohn Aktiebolag, Stockholm, SE;
Abstract
An oral pharmaceutical preparation containing a therapeutically effective amount of a salt of morphine for administration once daily is provided. The preparation contains particles which have a core containing a salt of morphine coated with a barrier layer. The barrier layer is formed from a coating liquid that contains at least one water insoluble barrier forming component selected from the group consisting of ethyl cellulose, copolymers of acrylic and methacrylic esters and natural or synthetic waxes, and a plasticizer. The mean serum concentration of morphine obtained is at least 50% of the maximum serum concentration during at least 12 hours after the administration of a single dose of the preparation.