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. 20, 1994
Filed:
Jul. 17, 1991
Yuh-ichiro Ichikawa, Tokyo, JP;
Hiroshi Akaba, Tokyo, JP;
Yuka Sugawara, Kawaguchi, JP;
Akira Shiozawa, Omiya, JP;
Kenichi Matsubara, Suita, JP;
Takemitsu Nagahata, Takasaki, JP;
Hiroo Hoshino, Maebashi, JP;
Jun-ichi Seki, Takasaki, JP;
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Abstract
A novel nucleic acid derivative represented by the following general formula (I) and physiologically acceptable salt thereof which are expected to have an antiviral activity: ##STR1## wherein B represents a nucleic acid base derivative; A.sup.1 and A.sup.2 represent, independently of each other, OR.sup.1 or OCOR.sup.1 ; R.sup.1 represents a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; l represents a number of 0 or 1; and m and n each represents an integer of 0-2; provided that when l and m are 0, n is 0 or 2.