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:
Nov. 02, 1999

Filed:

Mar. 03, 1998
Applicant:
Inventors:

Hideki Okada, Osaka, JP;

Nobuko Akiba, Osaka, JP;

Fumio Sugai, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
552299 ; 552296 ;
Abstract

The present invention provides a naphthoquinone derivative represented by the general formula (1): ##STR1## wherein R.sup.1 represents an aryl group which may have a substituent; and R.sup.2 represents an alkylene group which may have a substituent, an arylene group which may have a substituent, etc.


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