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:
Dec. 21, 1993

Filed:

Aug. 15, 1991
Applicant:
Inventors:

Toshio Yoshioka, Hyogo, JP;

Hiroaki Okada, Osaka, JP;

Yasuaki Ogawa, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
424489 ; 264-41 ; 264-46 ; 424452 ; 424455 ; 424462 ; 424499 ; 424501 ; 42840221 ; 42840222 ; 514800 ; 514963 ;
Abstract

Sustained release microcapsules including a water soluble drug and an organic basic substance as a drug retaining substance of this invention not only have a high rate of incorporation (trapping rate), but also show little initial release so that they can be administered safely and bring about persistent, stable sustained release.


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Yoshioka, Toshio. (1993). Sustained release microcapsule for water soluble drug (U.S. Patent No. 5271945). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5271945

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

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