GB189318924A - Improvements relating to the Manufacture of Dihydroxy-naphthalene-sulphoacids and of corresponding Azo-dyes. - Google Patents

Improvements relating to the Manufacture of Dihydroxy-naphthalene-sulphoacids and of corresponding Azo-dyes.

Info

Publication number
GB189318924A
GB189318924A GB189318924DA GB189318924A GB 189318924 A GB189318924 A GB 189318924A GB 189318924D A GB189318924D A GB 189318924DA GB 189318924 A GB189318924 A GB 189318924A
Authority
GB
United Kingdom
Prior art keywords
sulphoacids
dihydroxy
naphthalene
dyes
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 GB189318924A publication Critical patent/GB189318924A/en
Expired legal-status Critical Current

Links

GB189318924D 1893-10-09 1893-10-09 Improvements relating to the Manufacture of Dihydroxy-naphthalene-sulphoacids and of corresponding Azo-dyes. Expired GB189318924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189318924T 1893-10-09

Publications (1)

Publication Number Publication Date
GB189318924A true GB189318924A (en) 1894-08-18

Family

ID=32120561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189318924D Expired GB189318924A (en) 1893-10-09 1893-10-09 Improvements relating to the Manufacture of Dihydroxy-naphthalene-sulphoacids and of corresponding Azo-dyes.

Country Status (1)

Country Link
GB (1) GB189318924A (en)

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