US 9,173,857 B2
Controlled dose drug delivery systemGeneral
US 9,173,857 B2
Controlled dose drug delivery system
Tech Center:
1600 Biotechnology and Organic Chemistry
Examiner:
Michael G Hartley
Art Unit:
1618 Organic Compounds: Bio-affecting, Body Treating, Drug Delivery, Steroids, Herbicides, Pesticides, Cosmetics, and Drugs
Agent:
Inventors:
Stephanie READ; Paul HODGKINS; Amir SHOJAEI; Richard A. COUCH
Priority:
05/12/06
Filed:
09/26/14
Granted:
11/03/15
Expiration:
05/12/26
Abstract
A multiple pulsed dose drug delivery system for pharmaceutically active amphetamine salts, comprising a pharmaceutically active amphetamine salt covered with an immediate-release coating and a pharmaceutically active amphetamine salt covered with an enteric coating wherein the immediate release coating and the enteric coating provide for multiple pulsed dose delivery of the pharmaceutically active amphetamine salt. The product can be composed of either one or a number of beads in a dosage form, including either capsule, tablet, or sachet method for administering the beads.
Cooperative Patent Classification (CPC)
A61A61K9/5078A61K