Title:
METHOD FOR PRODUCING IRON OXIDE PIGMENT
Document Type and Number:
Japanese Patent JP2001200177
Kind Code:
A
Abstract:
To provide an improved method for producing an iron oxide red pigment having an excellent color purity by a relatively simple method.
The purpose is attained by a method including a process for forming a suspension of hematite nucleus by a reaction between diluted nitric acid and iron element at ≥90°C.
Inventors:
EITZENBACHE NORBERT
BUETJE KAI
BUETJE KAI
Application Number:
JP2000366952A
Publication Date:
July 24, 2001
Filing Date:
December 01, 2000
Export Citation:
Assignee:
BAYER AG
International Classes:
C01G49/06; C04B28/02; C08K3/22; C09C1/24; C09D7/61; C04B111/82; (IPC1-7): C09C1/24; C01G49/06; C04B28/02
Other References:
JPN6011002519, ＷＵＪＩＹＡＮ ＧＯＮＧＹＥ，, Ｖｏｌ．６，, Ｐ．５−６
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)