GB253311A - Manufacture of vat-dyestuffs of the perylene series - Google Patents

Manufacture of vat-dyestuffs of the perylene series

Info

Publication number
GB253311A
GB253311A GB1107925A GB1107925A GB253311A GB 253311 A GB253311 A GB 253311A GB 1107925 A GB1107925 A GB 1107925A GB 1107925 A GB1107925 A GB 1107925A GB 253311 A GB253311 A GB 253311A
Authority
GB
United Kingdom
Prior art keywords
dibenzanthrone
dyestuffs
vat
manufacture
oxidation products
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.)
Expired
Application number
GB1107925A
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Priority to GB1107925A priority Critical patent/GB253311A/en
Publication of GB253311A publication Critical patent/GB253311A/en
Expired legal-status Critical Current

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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/22—Dibenzanthrones; Isodibenzanthrones
    • C09B3/30—Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus

Abstract

253,311. Imray, O. Y., (Farwerke vorm. Meister, Lucius, & Briining). April 28, 1925. Dibenzanthrone dyes.-The oxidation products of dibenzanthrone dyestuffs (obtainable by the process of Specification 14498/12) are heated with an acid condensing agent such as aluminium or zinc chloride and then alkylated. The products dye cotton from the vat in clear blue or steelblue shades. The oxidation products of dibenzanthrone and the dimethyldibenzanthrone obtained by alkali fusion of 7-methylbenzanthrone are specified as parent materials; the alkylation is performed with p-toluenesulphonic methyl- or ethyl-ester or with a dialkyl sulphate in nitroben. zene or trichlorbenzene,
GB1107925A 1925-04-28 1925-04-28 Manufacture of vat-dyestuffs of the perylene series Expired GB253311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1107925A GB253311A (en) 1925-04-28 1925-04-28 Manufacture of vat-dyestuffs of the perylene series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1107925A GB253311A (en) 1925-04-28 1925-04-28 Manufacture of vat-dyestuffs of the perylene series

Publications (1)

Publication Number Publication Date
GB253311A true GB253311A (en) 1926-06-17

Family

ID=9979628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1107925A Expired GB253311A (en) 1925-04-28 1925-04-28 Manufacture of vat-dyestuffs of the perylene series

Country Status (1)

Country Link
GB (1) GB253311A (en)

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