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. 26, 1995
Filed:
Mar. 26, 1993
Tsuyoshi Miyazaki, Tsukuba, JP;
Yoshishige Murata, Tsukuba, JP;
Daijiro Shiino, Kashiwa, JP;
Kazunori Waki, Kashiwa, JP;
Yasuhisa Sakurai, Tokyo, JP;
Teruo Okano, Ichikawa, JP;
Kazunori Kataoka, Kashiwa, JP;
Yoshiyuki Koyama, Noda, JP;
Masayuki Yokoyama, Tokyo, JP;
Shigeru Kitano, Kashiwa, JP;
Nippon Oil & Fats Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a polymer complex of a sugar response type having boronic acid groups in the polymer. Medicines may be contained or linked, preferably, the medicines have hydroxy groups. The polymer having boronic acid groups and the medicine having hydroxy groups may be linked by boronic acid ester bonds. The complex may also comprises polymers having boronic acid groups and polymers having hydroxy groups, and these polymers may be cross-linked.