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.

Date of Patent:
Feb. 03, 1987

Filed:

Oct. 29, 1985
Applicant:
Inventors:

Katsuhiro Imaki, Kyoto, JP;

Tadao Okegawa, Yawata, JP;

Yoshinobu Arai, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; A61K / ;
U.S. Cl.
CPC ...
514510 ; 514569 ; 560 10 ; 560 53 ; 562428 ; 562462 ;
Abstract

The present invention relates to novel compounds of the general formula: ##STR1## wherein X represent an oxygen atom or a sulfur atom and R represents a hydrogen atom or an alkyl group of 1-4 carbon atoms, and non-toxic salts thereof when R represents a hydrogen atom, possessing an inhibitory effect on cerebral edema.


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