Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Reexamination Certificate
2006-12-26
2006-12-26
Hui, San-Ming (Department: 1617)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Matrices
C514S312000
Reexamination Certificate
active
07153524
ABSTRACT:
The present invention relates to a method for improving adsorption on the gastrointestinal mucous layers of one or more selected from polyethylene glycol, polyethylene oxide, and polyoxyethylene polypropylene copolymer wherein the average number of repeating oxyethylene units of one ethylene oxide chain length is 17 or greater. It is possible to enhance pharmacological effects by using the present invention with drugs that have anti-H. pyloriactivity.
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patent: 5576025 (1996-11-01), Akiyama et al.
patent: 6184230 (2001-02-01), Watanabe et al.
patent: 2001/0016577 (2001-08-01), Dobrozsl et al.
patent: 2002/0028240 (2002-03-01), Sawada et al.
patent: 0645140 (1998-12-01), None
patent: 2001-526211 (2001-12-01), None
patent: 2003-231637 (2003-08-01), None
patent: WO98/51306 (1998-11-01), None
Sako Kazuhiro
Yoshihara Keiichi
Astellas Pharma Inc.
Hui San-Ming
Townsend and Townsend / and Crew LLP
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