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.:
Date of Patent:
Oct. 16, 1990
Filed:
Nov. 04, 1988
Applicant:
Inventors:
Masayoshi Samejima, Mino, JP;
Kazuo Noda, Takarazuka, JP;
Masao Kobayashi, Kyoto, JP;
Shigeyuki Ishikawa, Mino, JP;
Assignee:
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 / ; 424462 ; 424493 ; 424494 ; 424495 ; 424497 ; 427-3 ;
Abstract
A controlled release dosage form which consists essentially of a core containing a medicament; an inner coating layer composed of ethylcellulose and a hydrophobic substance; and an outer coating layer containing a medicament are disclosed. Said dosage form shows rapid increase in blood concentration of the medicament and at the same time maintains the high level of the blood concentration over a prolonged period time.