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.

Date of Patent:
Jan. 28, 2014

Filed:

Dec. 26, 2001
Applicants:

Shigeyuki Takada, Nishinomiya, JP;

Masafumi Misaki, Takarazuka, JP;

Kenji Nakamura, Itami, JP;

Inventors:

Shigeyuki Takada, Nishinomiya, JP;

Masafumi Misaki, Takarazuka, JP;

Kenji Nakamura, Itami, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/22 (2006.01); A61K 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

Sustained release preparations, which show suppressed initial release of a physiologically active substance and can release a constant amount of the physiologically active substance over a long period of time, and dispersion vehicle thereof can be obtained by adding a cationic substance or polyols to the outside of a matrix or dispersion vehicle thereof. Thus, sustained release preparations, which show suppressed initial release of a physiologically active substance immediately after the administration and can release a constant amount of the physiologically active substance over a long period of time and dispersion vehicle thereof can be provided.


Find Patent Forward Citations

Loading…