GB190905383A - Manufacture and Production of New Azodyestuffs. - Google Patents

Manufacture and Production of New Azodyestuffs.

Info

Publication number
GB190905383A
GB190905383A GB190905383DA GB190905383A GB 190905383 A GB190905383 A GB 190905383A GB 190905383D A GB190905383D A GB 190905383DA GB 190905383 A GB190905383 A GB 190905383A
Authority
GB
United Kingdom
Prior art keywords
anisidine
acid
naphthylamine
aminoazo
production
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
Inventor
Philip Arthur Newton
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190905383A publication Critical patent/GB190905383A/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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/14—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with phosgene or thiophosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

5383. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. March 5. Samples furnished. Disazo dyes are obtained by converting sulphonic or carboxylic acids of aminoazo compounds containing only one amino group and no hydroxy group into the symmetrical diarylurea or diarylthiourea compounds by treatment with phosgene, thiophosgene, or the equivalent thereof, such as perchlormethylformate or hexachlordimethyl carbonate. As parent materials for the production of aminoazo compounds which are converted into urea derivatives the following are specified :-m- or p-sulphanilic acid and o-anisidine ; 2-anisidine-4-sulphonic acid and cresidine, p-xylidine, or aniline ; m-aminobenzoic acid and o-anisidine ; 1-naphthylamine- 3 : 6-disulphonic acid and o-anisidine ; 2-naphthylamine-4 : 8-disulphonic acid and o-anisidine or a-naphthylamine. The thiourea from the aminoazo compound obtained from m-aminobenzoic acid and o-anisidine is also specified. The products dye cotton various shades of yellow. Specifications 14,222/89 and 11,343/99 are referred to.
GB190905383D 1909-03-05 1909-03-05 Manufacture and Production of New Azodyestuffs. Expired GB190905383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190905383T 1909-03-05

Publications (1)

Publication Number Publication Date
GB190905383A true GB190905383A (en) 1909-12-02

Family

ID=32442331

Family Applications (2)

Application Number Title Priority Date Filing Date
GB190905383D Expired GB190905383A (en) 1909-03-05 1909-03-05 Manufacture and Production of New Azodyestuffs.
GB190913727D Expired GB190913727A (en) 1909-03-05 1909-06-11 Manufacture and Production of New Azodyestuffs.

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB190913727D Expired GB190913727A (en) 1909-03-05 1909-06-11 Manufacture and Production of New Azodyestuffs.

Country Status (1)

Country Link
GB (2) GB190905383A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491566A (en) * 1946-09-11 1949-12-20 Ciba Ltd Azo-dyestuffs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491566A (en) * 1946-09-11 1949-12-20 Ciba Ltd Azo-dyestuffs

Also Published As

Publication number Publication date
GB190913727A (en) 1910-06-13

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