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:
Apr. 10, 2001
Filed:
Mar. 08, 1999
Hisamitsu Pharmaceutical Co., Inc., Saga, JP;
Abstract
This invention offers capsules for oral preparation which is useful for colon diseases such as colon cancer, ulcerative colitis, constipation and diarrhea and for systemic diseases such as osteoporosis and which does not undergo any change at all in stomach and in small intestine but firstly start to disintegrate upon arriving at large intestine and, at the same time, quickly release the drug therefrom wherein the capsule base therefor is hydroxypropylmethylcellulose (HPMC) or polyethyleneglycol-compounded HPMC, gelatin or agar and, on the surface of said capsule base in which powder or liquid containing a pharmacologically active substance is encapsulated, a double-coated structure comprising an inner layer consisting of a cationic copolymer and an outer layer consisting of anionic copolymer is formed.