GB334921A - Improvements in and relating to the use of vat dyestuffs enolic sulphuric acid esters - Google Patents

Improvements in and relating to the use of vat dyestuffs enolic sulphuric acid esters

Info

Publication number
GB334921A
GB334921A GB2621830A GB2621830A GB334921A GB 334921 A GB334921 A GB 334921A GB 2621830 A GB2621830 A GB 2621830A GB 2621830 A GB2621830 A GB 2621830A GB 334921 A GB334921 A GB 334921A
Authority
GB
United Kingdom
Prior art keywords
enolic
relating
acid esters
sulphuric acid
vat dyestuffs
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
GB2621830A
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.)
DAVID ALEXANDER WHYTE FAIRWEAT
Scottish Dyes Ltd
Original Assignee
DAVID ALEXANDER WHYTE FAIRWEAT
Scottish Dyes Ltd
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 DAVID ALEXANDER WHYTE FAIRWEAT, Scottish Dyes Ltd filed Critical DAVID ALEXANDER WHYTE FAIRWEAT
Priority to GB2621830A priority Critical patent/GB334921A/en
Publication of GB334921A publication Critical patent/GB334921A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
    • D06P1/28—Esters of vat dyestuffs

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Abstract

334,921. Fairweather, D. A,. W., Thomas, J., and Scottish Dyes, Ltd. March 7, 1929. Divided on 334,902. Anthraquinoncazines.-The Specification describes the isolation and purification of bodies believed to be tetrasulphuric esters of tetrahydrodianthraquinoneazines, by the processes claimed in Specification 334,902 from the solution obtained by alkaline oxidation of 2-aminoanthrahydroquinone-9 : 10-disulphuric ester or its substitution products having the 1-position free, but the claims are limited to the use of these products in dyeing or colouring.
GB2621830A 1929-03-07 1929-03-07 Improvements in and relating to the use of vat dyestuffs enolic sulphuric acid esters Expired GB334921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2621830A GB334921A (en) 1929-03-07 1929-03-07 Improvements in and relating to the use of vat dyestuffs enolic sulphuric acid esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2621830A GB334921A (en) 1929-03-07 1929-03-07 Improvements in and relating to the use of vat dyestuffs enolic sulphuric acid esters

Publications (1)

Publication Number Publication Date
GB334921A true GB334921A (en) 1930-09-08

Family

ID=10240186

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2621830A Expired GB334921A (en) 1929-03-07 1929-03-07 Improvements in and relating to the use of vat dyestuffs enolic sulphuric acid esters

Country Status (1)

Country Link
GB (1) GB334921A (en)

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