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. 22, 2013
Filed:
May. 13, 2009
Setsuko Miyanari, Tokyo, JP;
Masumi Takahashi, Tokyo, JP;
Masahiro Ishizuka, Tokyo, JP;
Tohru Tanaka, Tokyo, JP;
Setsuko Miyanari, Tokyo, JP;
Masumi Takahashi, Tokyo, JP;
Masahiro Ishizuka, Tokyo, JP;
Tohru Tanaka, Tokyo, JP;
SBI Pharmaceuticals Co., Ltd., Tokyo, JP;
Abstract
The present invention is intended to provide an agent for treating male infertility which is highly effective to male infertility, and having few side effects. To achieve the object, an agent for treating male infertility comprising δ-amino levulinic acid shown by general formula (1), its derivative or salt thereof:RRNCHCOCHCHCOR  (1)[wherein Rand Rindependently represent a hydrogen atom, alkyl group, acyl group, alkoxycarbonyl group, aryl group, or aralkyl group; Rrepresents a hydroxy group, alkoxy group, acyloxy group, alkoxycarbonyloxy group, aryloxy group, aralkyloxy group or amino group]can be used.