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:
Dec. 04, 1984
Filed:
May. 05, 1982
Applicant:
Inventors:
Masayoshi Samejima, Minoh, JP;
Goichi Hirata, Yawata, JP;
Yoshiyuki Koida, Katano, JP;
Akira Kida, Settsu, JP;
Assignee:
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; B01J / ;
U.S. Cl.
CPC ...
4272133 ; 424 19 ; 424 33 ; 424 35 ; 42840224 ;
Abstract
Pharmaceutically active compound-containing microcapsules the coating walls of which consist essentially of ethylcellulose and a water-insoluble, acid-soluble polymer material are disclosed. A method of preparing said microcapsules is also disclosed.