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1. (WO1999004818) PREPARATION COMPOSITION AND PROCESS FOR PRODUCING THE SAME

Pub. No.:    WO/1999/004818    International Application No.:    PCT/JP1998/003300
Publication Date: Fri Feb 05 00:59:59 CET 1999 International Filing Date: Fri Jul 24 01:59:59 CEST 1998
IPC: A61K 47/36
Applicants: EISAI CO., LTD.

UKAI, Koji

HARADA, Tsutomu

Inventors: UKAI, Koji

HARADA, Tsutomu

Title: PREPARATION COMPOSITION AND PROCESS FOR PRODUCING THE SAME
Abstract:
A preparation composition in which the formation of insolubles from a basic drug and an anionic high-molecular substance is inhibited; and a method for dissolving the anionic high-molecular substance. The composition comprises (1) a basic drug, (2) a hydrophilic substance having a positive charge and (3) an anionic high-molecular substance. The method comprises for dissolving the anionic high-molecular substance in a solution of a hydrophilic substance having a positive charge.