CH601442A5 - - Google Patents

Info

Publication number
CH601442A5
CH601442A5 CH1712374A CH1712374A CH601442A5 CH 601442 A5 CH601442 A5 CH 601442A5 CH 1712374 A CH1712374 A CH 1712374A CH 1712374 A CH1712374 A CH 1712374A CH 601442 A5 CH601442 A5 CH 601442A5
Authority
CH
Switzerland
Application number
CH1712374A
Inventor
Thaddeus Leonard Kolski
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of CH601442A5 publication Critical patent/CH601442A5/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B48/00—Quinacridones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
CH1712374A 1973-12-20 1973-12-20 CH601442A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US426472A US3907805A (en) 1973-12-20 1973-12-20 Preparation of quinacridones by vapor phase dehydrogenation of dihydroquinacridones

Publications (1)

Publication Number Publication Date
CH601442A5 true CH601442A5 (xx) 1978-07-14

Family

ID=23690935

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1712374A CH601442A5 (xx) 1973-12-20 1973-12-20

Country Status (5)

Country Link
US (1) US3907805A (xx)
JP (1) JPS5095325A (xx)
CH (1) CH601442A5 (xx)
DE (1) DE2460538A1 (xx)
GB (1) GB1476470A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111923A (en) * 1976-03-16 1977-09-20 Toyo Soda Mfg Co Ltd Production of quinozolone derivative
DE3888443D1 (de) * 1987-10-27 1994-04-21 Basf Ag Verfahren zur Herstellung von Dihydrochinacridonen, Chinacridonen und Chinacridonchinonen.
DE19961966A1 (de) * 1999-12-22 2001-07-12 Basf Ag Verfahren zur Überführung von organischen Rohpigmenten in eine für die Anwendung geeignete Pigmentform

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821529A (en) * 1955-07-22 1958-01-28 Du Pont Process for the preparation of linear quinacridones
US3272821A (en) * 1962-04-26 1966-09-13 Eastman Kodak Co Delta form of quinacridone pigment
US3133071A (en) * 1962-07-02 1964-05-12 Du Pont Octahydroquinacridones and octahydroisoquinacridones and processes for producing same

Also Published As

Publication number Publication date
GB1476470A (en) 1977-06-16
US3907805A (en) 1975-09-23
JPS5095325A (xx) 1975-07-29
DE2460538A1 (de) 1975-07-03

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Legal Events

Date Code Title Description
PL Patent ceased