Synthesis and antimicrobial activity of novel dicationic...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S314000, C514S408000, C514S438000, C514S471000, C514S491000, C548S577000, C549S071000, C549S472000, C549S491000

Reexamination Certificate

active

07745456

ABSTRACT:
The present invention relates to novel 2,5-bis{[alkyl (or aryl) imino] aminophenyl}furans and thiophenes of the general formulain which R1, R2, R3and R4are each independently selected from the group consisting of H, alkyl, alkoxy, halide, and alkylhalide groups; R5is H, alkyl or aryl; R6is H, alkyl, aryl, or NR7R8, in which R7and R8are each independently selected from the group consisting of H, alkyl and aryl; and X is O, S or NR9, in which R9is H or alkyl, and to the use of such compounds.

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