AT294993B - Process for the production of new anthraquinone dyes - Google Patents

Process for the production of new anthraquinone dyes

Info

Publication number
AT294993B
AT294993B AT471270A AT471270A AT294993B AT 294993 B AT294993 B AT 294993B AT 471270 A AT471270 A AT 471270A AT 471270 A AT471270 A AT 471270A AT 294993 B AT294993 B AT 294993B
Authority
AT
Austria
Prior art keywords
production
anthraquinone dyes
new anthraquinone
new
dyes
Prior art date
Application number
AT471270A
Other languages
German (de)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of AT294993B publication Critical patent/AT294993B/en

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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/51—N-substituted amino-hydroxy anthraquinone
    • C09B1/516—N-acylated derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Color Printing (AREA)
  • Paper (AREA)
AT471270A 1969-06-03 1970-05-26 Process for the production of new anthraquinone dyes AT294993B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691928131 DE1928131C3 (en) 1969-06-03 1969-06-03 Anthraquinone dyes, their manufacture and use

Publications (1)

Publication Number Publication Date
AT294993B true AT294993B (en) 1971-12-10

Family

ID=5735908

Family Applications (1)

Application Number Title Priority Date Filing Date
AT471270A AT294993B (en) 1969-06-03 1970-05-26 Process for the production of new anthraquinone dyes

Country Status (9)

Country Link
JP (1) JPS4816043B1 (en)
AT (1) AT294993B (en)
BE (1) BE751408A (en)
CA (1) CA932726A (en)
DE (1) DE1928131C3 (en)
DK (1) DK133015C (en)
FR (1) FR2045824B1 (en)
GB (1) GB1275337A (en)
NL (1) NL7007835A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100187312B1 (en) * 1990-10-05 1999-05-15 월터 클리웨인 한스-피터 위트룬 Novel anthraquinone compounds and plastic materials which are mass coloured with anthraquinones
GB2288407B (en) * 1994-04-12 1998-02-25 Midears Ltd An ink
CN117567875B (en) * 2024-01-15 2024-04-16 北京大学 A dichroic black dye, a PDLC dimming film containing the dye and a preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH433547A (en) * 1964-03-26 1967-04-15 Ciba Geigy Process for the production of new anthraquinone dyes

Also Published As

Publication number Publication date
DK133015C (en) 1976-08-09
GB1275337A (en) 1972-05-24
FR2045824A1 (en) 1971-03-05
DE1928131C3 (en) 1975-09-11
DE1928131B2 (en) 1975-01-23
FR2045824B1 (en) 1974-09-20
CA932726A (en) 1973-08-28
DK133015B (en) 1976-03-08
DE1928131A1 (en) 1971-01-07
JPS4816043B1 (en) 1973-05-19
NL7007835A (en) 1970-12-07
BE751408A (en) 1970-11-16

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee