GB292741A - Manufacture of vat-dyestuffs - Google Patents

Manufacture of vat-dyestuffs

Info

Publication number
GB292741A
GB292741A GB1212527A GB1212527A GB292741A GB 292741 A GB292741 A GB 292741A GB 1212527 A GB1212527 A GB 1212527A GB 1212527 A GB1212527 A GB 1212527A GB 292741 A GB292741 A GB 292741A
Authority
GB
United Kingdom
Prior art keywords
acid
vat
phenylenediamine
dyes
violet
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
GB1212527A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB1212527A priority Critical patent/GB292741A/en
Publication of GB292741A publication Critical patent/GB292741A/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/62—Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series

Landscapes

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

Abstract

292,741. Imray, O. Y., (I. G. Farbenindustrie Akt.-Ges.). May 5, 1927. Perylene, dyes derived from-Violet vat dyes are made by condensing a halogenated perylenetetracarboxylic acid, containing not more than three halogen atoms in the molecule, with an odiamine. In an example, dichlorperylenetetracarboxylic acid (obtained by chlorinating peryienetetracarboxylic acid in chlorsulphonic acid) is heated with o-phenylenediamine; the product forms a brownish-black powder, dyeing cotton from the vat in a violet shade fast to soaping, light, chlorine and to boiling sodium carbonate. Similar dyestuffs may be obtained from substitution products or homologues of o-phenylenediamine or from o-diamines derived from polynuclear aromatic compounds. Specifications 201,786 and 248,519 are referred to.
GB1212527A 1927-05-05 1927-05-05 Manufacture of vat-dyestuffs Expired GB292741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1212527A GB292741A (en) 1927-05-05 1927-05-05 Manufacture of vat-dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1212527A GB292741A (en) 1927-05-05 1927-05-05 Manufacture of vat-dyestuffs

Publications (1)

Publication Number Publication Date
GB292741A true GB292741A (en) 1928-06-28

Family

ID=9998805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1212527A Expired GB292741A (en) 1927-05-05 1927-05-05 Manufacture of vat-dyestuffs

Country Status (1)

Country Link
GB (1) GB292741A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657454A1 (en) * 1990-01-23 1991-07-26 Aerospatiale PROCESS FOR PRODUCING ELECTROMAGNETIC WINDINGS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657454A1 (en) * 1990-01-23 1991-07-26 Aerospatiale PROCESS FOR PRODUCING ELECTROMAGNETIC WINDINGS
EP0439389A1 (en) * 1990-01-23 1991-07-31 AEROSPATIALE Société Nationale Industrielle Method of making electromagnetic coils

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