JPS52100523A - Preparing beta crystal phase linear quinacridone - Google Patents
Preparing beta crystal phase linear quinacridoneInfo
- Publication number
- JPS52100523A JPS52100523A JP1682276A JP1682276A JPS52100523A JP S52100523 A JPS52100523 A JP S52100523A JP 1682276 A JP1682276 A JP 1682276A JP 1682276 A JP1682276 A JP 1682276A JP S52100523 A JPS52100523 A JP S52100523A
- Authority
- JP
- Japan
- Prior art keywords
- crystal phase
- phase linear
- beta crystal
- preparing beta
- quinacridone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: A process for preparing crystalline linear-quinacridone useful for colorant comprising treating crystalline linear quinacridone in the alkaline medium in the presence of specific salt.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1682276A JPS6035378B2 (en) | 1976-02-18 | 1976-02-18 | Method for producing β-crystalline phase linear quinacridone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1682276A JPS6035378B2 (en) | 1976-02-18 | 1976-02-18 | Method for producing β-crystalline phase linear quinacridone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52100523A true JPS52100523A (en) | 1977-08-23 |
JPS6035378B2 JPS6035378B2 (en) | 1985-08-14 |
Family
ID=11926857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1682276A Expired JPS6035378B2 (en) | 1976-02-18 | 1976-02-18 | Method for producing β-crystalline phase linear quinacridone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6035378B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0047117A2 (en) * | 1980-08-28 | 1982-03-10 | E.I. Du Pont De Nemours And Company | Process for converting premilled crude quinacridone to pigmentary form and paints and plastics containing such pigment |
-
1976
- 1976-02-18 JP JP1682276A patent/JPS6035378B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0047117A2 (en) * | 1980-08-28 | 1982-03-10 | E.I. Du Pont De Nemours And Company | Process for converting premilled crude quinacridone to pigmentary form and paints and plastics containing such pigment |
EP0047117A3 (en) * | 1980-08-28 | 1982-03-24 | E.I. Du Pont De Nemours And Company | Process for converting premilled crude quinacridone to pigmentary form, quinacridone pigment so obtained and paints and plastics containing such pigment |
JPS5774364A (en) * | 1980-08-28 | 1982-05-10 | Du Pont | Conversion of crushed crude quinacridone to pigment type |
JPH0220663B2 (en) * | 1980-08-28 | 1990-05-10 | Ciba Geigy |
Also Published As
Publication number | Publication date |
---|---|
JPS6035378B2 (en) | 1985-08-14 |
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