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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.:

US 6692769 B1

PDFFull Text
Expired
Date of Patent:
Feb. 17, 2004

Filed:

Apr. 26, 2001

Sustained-release particles

Applicant:
Inventors:

Takashi Ishibashi, Sakai, JP;

Keigo Nagao, Kawanishi, JP;

Kengo Ikegami, Nishinomiya, JP;

Hiroyuki Yoshino, Suita, JP;

Masakazu Mizobe, Takatsuki, JP;

Assignee:

Tanabe Seiyaku Co., Ltd., Osaka, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

James M Spear

Int. Cl.
CPC ...
A61K 9/14 ; A61K 9/20 ; A61K 9/22 ;
U.S. Cl.
CPC ...
A61K 9/14 ; A61K 9/20 ; A61K 9/22 ;
Abstract

The present invention discloses sustained release particles having a mean particle size of 300 &mgr;m, or less, comprising a drug-containing core substance coated with a mixed coating of a hydrophobic organic compound-water-insoluble polymer, which prevents sticking during compression molding when producing oral sustained release tablets, a preparation method of those sustained release particles, and a preparation method of tablets using those sustained release particles.

Find Patent Forward Citations

Ishibashi, Takashi. (2004). Sustained-release particles (U.S. Patent No. 6692769). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6692769

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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