Title:
【発明の名称】ジベンゾナフチロン及び高分子量有機物質を着色するためのその用途
Document Type and Number:
Japanese Patent JP2002511498
Kind Code:
A
Abstract:
Dibenzonaphthyrone of formula (I)wherein A1 and A2 independently of each other are unsubstituted or mono- to tetra-substituted o-C6-C18arylene, with the proviso that formula (I) does not represent a dibenzonaphthyrone of the formulaThe invention further relates to processes for the preparation thereof, to the use thereof for colouring/pigmenting high-molecular-weight organic material and to substance compositions comprising dibenzonaphthyrones.
Inventors:
Nesvadova, Peter
Yangdoke, Joachim
Yangdoke, Joachim
Application Number:
JP2000543466A
Publication Date:
April 16, 2002
Filing Date:
March 29, 1999
Export Citation:
Assignee:
Ciba Specialty Chemicals Holding Incorporated
International Classes:
C07D493/04; C08K5/1545; C09B57/02; (IPC1-7): C09B57/02; C07D493/04
Attorney, Agent or Firm:
Hajime Tsukuni (1 person outside)