GB190523122A - The Manufacture and Production of Solid Stable Alkali-salts of Indigo-white. - Google Patents

The Manufacture and Production of Solid Stable Alkali-salts of Indigo-white.

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Publication number
GB190523122A
GB190523122A GB190523122DA GB190523122A GB 190523122 A GB190523122 A GB 190523122A GB 190523122D A GB190523122D A GB 190523122DA GB 190523122 A GB190523122 A GB 190523122A
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GB
United Kingdom
Prior art keywords
indigo
salts
white
production
manufacture
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
James Yate Johnson
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 GB190523122A publication Critical patent/GB190523122A/en
Expired legal-status Critical Current

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  • Coloring Foods And Improving Nutritive Qualities (AREA)

Abstract

23,122. Johnson, J. Y., [Badische Anilin & Soda Fabrik]. Nov. 10. Dyes, artificial.-Consists in the production of alkali salts of indigo-white in a solid form stable to air by evaporating to dryness a solution of such salts in vacuo. In an example, indigo reduced by iron and alkali is used. The dry product may be mixed with burnt lime.
GB190523122D 1905-11-10 1905-11-10 The Manufacture and Production of Solid Stable Alkali-salts of Indigo-white. Expired GB190523122A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190523122T 1905-11-10

Publications (1)

Publication Number Publication Date
GB190523122A true GB190523122A (en) 1905-11-30

Family

ID=32201176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190523122D Expired GB190523122A (en) 1905-11-10 1905-11-10 The Manufacture and Production of Solid Stable Alkali-salts of Indigo-white.

Country Status (1)

Country Link
GB (1) GB190523122A (en)

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