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JPS5291026A - Method of forming quinacridone beta-crystals - Google Patents

Method of forming quinacridone beta-crystals

Info

Publication number
JPS5291026A
JPS5291026A JP776476A JP776476A JPS5291026A JP S5291026 A JPS5291026 A JP S5291026A JP 776476 A JP776476 A JP 776476A JP 776476 A JP776476 A JP 776476A JP S5291026 A JPS5291026 A JP S5291026A
Authority
JP
Japan
Prior art keywords
quinacridone
crystals
forming
beta
solt
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
Application number
JP776476A
Other languages
Japanese (ja)
Other versions
JPS5840588B2 (en
Inventor
Toshio Niwa
Tetsuo Ozawa
Toshio Hibara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP776476A priority Critical patent/JPS5840588B2/en
Publication of JPS5291026A publication Critical patent/JPS5291026A/en
Publication of JPS5840588B2 publication Critical patent/JPS5840588B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

PURPOSE: A method of forming β-crystals of linear trans-quinacridone, recognized as useful pigments, by grinding quinacridone dispersed in an aqueous solution containing a specific solt.
COPYRIGHT: (C)1977,JPO&Japio
JP776476A 1976-01-27 1976-01-27 Method for obtaining β-form crystal modification of quinacridone Expired JPS5840588B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP776476A JPS5840588B2 (en) 1976-01-27 1976-01-27 Method for obtaining β-form crystal modification of quinacridone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP776476A JPS5840588B2 (en) 1976-01-27 1976-01-27 Method for obtaining β-form crystal modification of quinacridone

Publications (2)

Publication Number Publication Date
JPS5291026A true JPS5291026A (en) 1977-08-01
JPS5840588B2 JPS5840588B2 (en) 1983-09-06

Family

ID=11674745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP776476A Expired JPS5840588B2 (en) 1976-01-27 1976-01-27 Method for obtaining β-form crystal modification of quinacridone

Country Status (1)

Country Link
JP (1) JPS5840588B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60104910U (en) * 1983-12-22 1985-07-17 池田物産株式会社 Air supply control device
JPS6173093U (en) * 1984-10-20 1986-05-17

Cited By (4)

* Cited by examiner, † Cited by third party
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
JPS5840588B2 (en) 1983-09-06

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