GB281213A - Improvements in manufacture of dyestuffs and in dyeing cellulose esters - Google Patents

Improvements in manufacture of dyestuffs and in dyeing cellulose esters

Info

Publication number
GB281213A
GB281213A GB2638027A GB2638027A GB281213A GB 281213 A GB281213 A GB 281213A GB 2638027 A GB2638027 A GB 2638027A GB 2638027 A GB2638027 A GB 2638027A GB 281213 A GB281213 A GB 281213A
Authority
GB
United Kingdom
Prior art keywords
cellulose esters
dyestuffs
manufacture
dyeing cellulose
thioindigo
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
GB2638027A
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.)
BRITISH ALIZARINE Co Ltd
CHARLES MORDAUNT BARNARD
Original Assignee
BRITISH ALIZARINE Co Ltd
CHARLES MORDAUNT BARNARD
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 BRITISH ALIZARINE Co Ltd, CHARLES MORDAUNT BARNARD filed Critical BRITISH ALIZARINE Co Ltd
Priority to GB2638027A priority Critical patent/GB281213A/en
Publication of GB281213A publication Critical patent/GB281213A/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
    • C09B7/00—Indigoid dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Abstract

281,213. Barnard, C. M., and British Alizarine Co., Ltd. Jan. 6, 1927. Indigoid dyes for cellulose esters are obtained by fusing with citric acid unsulphonated indigo or thioindigo dyestuffs containing one or more free primary amino groups. As example, 7 : 7<1>- diamino-thioindigo yields a product dyeing cellulose acetate a violet-red shade. Specifications 252,240 and 258,960 are referred to.
GB2638027A 1927-01-06 1927-01-06 Improvements in manufacture of dyestuffs and in dyeing cellulose esters Expired GB281213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2638027A GB281213A (en) 1927-01-06 1927-01-06 Improvements in manufacture of dyestuffs and in dyeing cellulose esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2638027A GB281213A (en) 1927-01-06 1927-01-06 Improvements in manufacture of dyestuffs and in dyeing cellulose esters

Publications (1)

Publication Number Publication Date
GB281213A true GB281213A (en) 1927-12-01

Family

ID=10242740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2638027A Expired GB281213A (en) 1927-01-06 1927-01-06 Improvements in manufacture of dyestuffs and in dyeing cellulose esters

Country Status (1)

Country Link
GB (1) GB281213A (en)

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