GB266404A - Improvements in vat dyestuffs - Google Patents

Improvements in vat dyestuffs

Info

Publication number
GB266404A
GB266404A GB2571325A GB2571325A GB266404A GB 266404 A GB266404 A GB 266404A GB 2571325 A GB2571325 A GB 2571325A GB 2571325 A GB2571325 A GB 2571325A GB 266404 A GB266404 A GB 266404A
Authority
GB
United Kingdom
Prior art keywords
sulphur
heating
diamine
methylanthraquinone
vat
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
GB2571325A
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.)
AMY JANE RANSFORD
Sanofi Aventis Deutschland GmbH
Original Assignee
AMY JANE RANSFORD
Leopold Cassella et Cie GmbH
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 AMY JANE RANSFORD, Leopold Cassella et Cie GmbH filed Critical AMY JANE RANSFORD
Priority to GB2571325A priority Critical patent/GB266404A/en
Publication of GB266404A publication Critical patent/GB266404A/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
    • C09B49/00—Sulfur dyes
    • C09B49/04—Sulfur dyes from amino compounds of the benzene, naphthalene or anthracene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

266,404. Cassella & Co., Ges., L., Ransford, A. J., and Carpmael, A. Oct. 14, 1925. Addition to 189,367. Anthraquinonethiazoles. - The process of the parent Specification, according to which vat dyestuffs are produced by heating with sulphur a mixture of 2-methylanthraquinone or an w-halogen derivative thereof with an aromatic p-diamine, is modified by substituting for the latter a primary aromatic diamine other than a p-diamine. According to examples, 2-methylanthraquinone is heated with sulphur and 1 : 5-naphthylenediamine, m-phenylenediamine, or diaminobenzanthrone (see Specification 10770/07, [Class 2, Acids and salts, Organic &c.]); the products are freed from sulphur and purified first by heating with sulphuric acid, with or without an oxidizing agent, such as chromic acid or a nitrite, and then by heating with an alkaline oxidizing agent such as sodium hypochlorite; they dye cotton from the vat in yellow to brown-orange shades.
GB2571325A 1925-10-14 1925-10-14 Improvements in vat dyestuffs Expired GB266404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2571325A GB266404A (en) 1925-10-14 1925-10-14 Improvements in vat dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2571325A GB266404A (en) 1925-10-14 1925-10-14 Improvements in vat dyestuffs

Publications (1)

Publication Number Publication Date
GB266404A true GB266404A (en) 1927-02-14

Family

ID=10232069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2571325A Expired GB266404A (en) 1925-10-14 1925-10-14 Improvements in vat dyestuffs

Country Status (1)

Country Link
GB (1) GB266404A (en)

Similar Documents

Publication Publication Date Title
GB266404A (en) Improvements in vat dyestuffs
US2419334A (en) Derivatives of amino-benzo-p-dioxans
US2055746A (en) Sulphur dye preparations
GB292897A (en) Improvements in the manufacture and production of dyestuffs of the anthraquinone series
US660067A (en) Brown sulfur dye and process of making same.
US1663451A (en) Process of dyeing with basic dyestuffs involving the use of aryl derivatives of amides of aromatic hydroxycarboxylic acids as mordants
US1494400A (en) Dye from dioxperylene
GB271569A (en) Process for reducing vat dyestuffs into their leuco derivatives
GB189367A (en) Improvements in vat dyestuffs
GB944513A (en) New water-insoluble dyestuffs of the phthaloylacridone series
GB713217A (en) Disazo dyestuffs
GB262141A (en) Manufacture of thiazole derivatives of 1:4-naphthoquinone
GB228510A (en) Process of producing combined shades on the vegetable fibre
DE1106014B (en) Process for the preparation of water-soluble dyes
GB480602A (en) Manufacture of vat dyestuffs
GB282803A (en) Manufacture of alkylisorosinduline-sulphonic acids
GB228514A (en) Process of producing combined shades on the vegetable fibre
GB330308A (en) Process for the manufacture of sulphur dyestuffs
GB238225A (en) Manufacture of new vat dyestuffs
GB398161A (en) Anthracene and anthraquinone dyestuffs
GB350782A (en) A process for the production of di-substituted tetrazoles
GB190800344A (en) Manufacture of a New Red Vat Dyestuff.
GB191022014A (en) Manufacture of Green to Black Vat Dyestuffs.
GB487725A (en) Process for dyeing and printing acetate artificial silk
GB208720A (en) The manufacture of a dyestuff from naphthidine