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:
Sep. 05, 2006
Filed:
Jul. 30, 1997
Kenji Kawada, Osaka, JP;
Mitsuaki Ohtani, Nara, JP;
Ryuji Suzuki, Nara, JP;
Akinori Arimura, Osaka, JP;
Kenji Kawada, Osaka, JP;
Mitsuaki Ohtani, Nara, JP;
Ryuji Suzuki, Nara, JP;
Akinori Arimura, Osaka, JP;
Shionogi & Co., Ltd., Osaka, JP;
Abstract
The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I): wherein R–Rare hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, CH—, —NR— or —S(O)— and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.