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. 27, 1992
Filed:
Dec. 14, 1989
Fukushi Hirayama, Tokyo, JP;
Keijiro Uchino, Kanagawa, JP;
Masaya Iwamoto, Kanagawa, JP;
Akira Fukuchi, Kanagawa, JP;
Masashi Hiramoto, Kanagawa, JP;
Hirokazu Yamamoto, Tokyo, JP;
Naoki Yamamoto, Yamaguchi, JP;
Hideki Nakashima, Yamaguchi, JP;
Shigenobu Kadota, Tokyo, JP;
Hiroshi Ogawara, Tokyo, JP;
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JP;
NipponFlour Mills Co., Ltd., Tokyo, JP;
Abstract
Sulfated tannins or salts thereof are herein disclosed. These compounds can be prepared by a method which comprises reacting tannin with a sulfonating agent under a basic condition. These compounds show antiviral activity and reverse transcriptase inhibitor, effects and can be used to treat patients infected with a variety of virus such as AIDS virus, herpesvirus, influenza virus or rhinovirus.