Title:
VIOLET COLORING MATTER, COLORANT, DYE AND PIGMENT EACH CONTAINING THE VIOLET COLORING MATTER
Document Type and Number:
Japanese Patent JP2002209595
Kind Code:
A
Abstract:
To provide a violet coloring matter obtained using a microorganism in good selectivity in a high yield by a production method by which a reaction solution can easily be separated and purified.
This violet coloring material obtained by allowing Escherichia coli to act on an aromatic carboxylic acid and/or a naphthol compound; a colorant containing the violet coloring matter; a dye containing the violet coloring matter; a pigment containing the violet coloring matter.
Inventors:
INOUE MASAMI
ITO SEIJI
NISHIZAWA MIKIO
MARUYAMA REIJI
ITOI YASUSHI
ITO SEIJI
NISHIZAWA MIKIO
MARUYAMA REIJI
ITOI YASUSHI
Application Number:
JP2001006772A
Publication Date:
July 30, 2002
Filing Date:
January 15, 2001
Export Citation:
Assignee:
ARAKAWA CHEM IND
International Classes:
C12P1/04; C09B57/00; C12N1/20; C12R1/19; (IPC1-7): C12P1/04; C09B57/00; C12N1/20