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. 28, 2004
Filed:
Mar. 19, 2002
Jacobus Johannes Marion Meyer, Pretoria, ZA;
Namrita Lall, Pretoria, ZA;
Other;
Abstract
Naphthoquinone derivatives of Formula (1): wherein R, represents an OH group, methyl ether, ethyl ether or a similar ether, R1 represents a methyl, ethyl or similar aliphatic hydrocarbon derivative: R2 and R3 each independently represent hydrogen or a group selected from: (A), (B), or (C) wherein R5 represents an PH group, methyl ether, ethyl ether or a similar ether and R6 represents a methyl, ethyl or similar aliphatic hydrocarbon derivative: R4 represents hydrogen or a group selected from: (D), (E) or (F) wherein R7 represents an OH group, methyl ether, ethyl ether or a similar ether and R8 represents a methyl, ethyl or similar aliphatic hydrocarbon derivative: or pharmaceutically acceptable salts thereof, are useful for the treatment and/or control of a in a patient caused by