GB190805582A - Improvements in and relating to the Manufacture and Production of Indigo Compounds - Google Patents

Improvements in and relating to the Manufacture and Production of Indigo Compounds

Info

Publication number
GB190805582A
GB190805582A GB190805582DA GB190805582A GB 190805582 A GB190805582 A GB 190805582A GB 190805582D A GB190805582D A GB 190805582DA GB 190805582 A GB190805582 A GB 190805582A
Authority
GB
United Kingdom
Prior art keywords
relating
manufacture
production
indigo compounds
indigo
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 GB190805582A publication Critical patent/GB190805582A/en
Expired legal-status Critical Current

Links

Landscapes

  • Indole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

5582. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. March 12. [Patent of Addition to No. 4423, A.D. 1908.] Dyes, artificial.-In a modification of the pro. cess of Specification No. 4423, A.D. 1908, indigo or brom- or chlor-indigos are brominated by treatment with hydrobromic acid or its salts in presence of concentrated sulphuric acid ; di-, tri-, and tetra-bromindigos and chlorbromindigos are thus obtained. Specification No. 13,430, A.D. 1902, is referred to.
GB190805582D 1908-02-27 1908-03-12 Improvements in and relating to the Manufacture and Production of Indigo Compounds Expired GB190805582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190804423T 1908-02-27

Publications (1)

Publication Number Publication Date
GB190805582A true GB190805582A (en) 1909-02-18

Family

ID=32207765

Family Applications (2)

Application Number Title Priority Date Filing Date
GB190804423D Expired GB190804423A (en) 1908-02-27 1908-02-27 Improvements in and relating to the Manufacture and Production of New Indigo Compounds
GB190805582D Expired GB190805582A (en) 1908-02-27 1908-03-12 Improvements in and relating to the Manufacture and Production of Indigo Compounds

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB190804423D Expired GB190804423A (en) 1908-02-27 1908-02-27 Improvements in and relating to the Manufacture and Production of New Indigo Compounds

Country Status (1)

Country Link
GB (2) GB190804423A (en)

Also Published As

Publication number Publication date
GB190804423A (en) 1908-12-03

Similar Documents

Publication Publication Date Title
GB190805582A (en) Improvements in and relating to the Manufacture and Production of Indigo Compounds
GB190811867A (en) Manufacture and Production of a Sulphonic Acid of Celestine Blue
GB190906831A (en) Improvements in and relating to the Manufacture and Production of 1.8-diaminonaphthalene-4-sulphonic Acid.
GB190903019A (en) Manufacture of Penta-bromindigo.
GB190601596A (en) Improvement in the Process of Making Indigo.
GB190802306A (en)
GB190824428A (en) Manufacture and Production of a New Pharmaceutical Compound
GB190819641A (en) Improvements in and relating to the Manufacture and Production of Alizarin.
GB190704413A (en) Manufacture and Production of New Azo Coloring Matters
GB191101556A (en) Manufacture and Production of Dyed Acidyl Derivatives of Cellulose.
GB191217467A (en) Improvements in and relating to the Manufacture and Production of Dianthraquinonylthioethers.
GB191024480A (en) Manufacturing Amino-oxyarylarsenoxides.
GB190927029A (en) Manufacture and Production of New Vat-dyestuffs.
GB191027038A (en) Improvements in the Production of Discharge Effects on Fibre and Pastes to be used therein.
GB190801842A (en) Improvements in the Production of Titanium-nitrogen Compounds.
GB191212620A (en) Improvements in and relating to the Manufacture and Production of 1-dimethylaminobutene-3 and of 1-dimethylamino-2-methylbutene-3 of the Formulae:
GB190801822A (en) Improvements in and relating to the Manufacture and Production of Anthracene Derivatives
GB191102355A (en) Improvements in and relating to the Manufacture and Production of 1-naphthol-2-sulphonic Acid.
GB190824600A (en) Manufacture and Production of a New Azo-dyestuff.
GB190705841A (en) Improvements in and relating to the Manufacture and Production of the Monosulphonic Acids of Para-diaminoanthrarufine and of Para-diaminochrysazine
GB190516632A (en) The Manufacture and Production of Derivatives of Methyl-anthraquinone
GB191229506A (en) Process for the Production of 1.2.4-purpurine-3-carboxylic Acid.
GB190906173A (en) Process of Producing a Sulphur Compound of Quinine.
GB191207768A (en) Manufacture and Production of New Isatin Compounds.
GB190407042A (en) Improvements in the Manufacture and Production of Green Sulphur Colouring Matters, or Dyes.