AT197393T

Use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors in oxidation dyes

Abstract

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4404564GermanyA
9500404European Patent Office (EPO)W

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DE4404564A1GermanyA1
WO9521604A1World Intellectual Property Organization (WIPO)A1
EP0743849A1European Patent Office (EPO)A1
US5752984AUnited States of AmericaA
EP0743849B1European Patent Office (EPO)B1
AT197393TThis recordAustriaT
ATE197393T1AustriaT1
DE59508844D1GermanyD1
DK0743849T3DenmarkT3
ES2152387T3SpainT3
GR3034799T3GreeceT3