GB190908421A - An Improvement in the Manufacture of Ortho-sulphamidobenzoic Acid. - Google Patents

An Improvement in the Manufacture of Ortho-sulphamidobenzoic Acid.

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Publication number
GB190908421A
GB190908421A GB190908421DA GB190908421A GB 190908421 A GB190908421 A GB 190908421A GB 190908421D A GB190908421D A GB 190908421DA GB 190908421 A GB190908421 A GB 190908421A
Authority
GB
United Kingdom
Prior art keywords
sulphamidobenzoic
acid
ortho
improvement
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
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.)
REINHOLD LIST
SACCHARIN FABRIK AG VORM FAHLB
Original Assignee
REINHOLD LIST
SACCHARIN FABRIK AG VORM FAHLB
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 REINHOLD LIST, SACCHARIN FABRIK AG VORM FAHLB filed Critical REINHOLD LIST
Application granted granted Critical
Publication of GB190908421A publication Critical patent/GB190908421A/en
Expired legal-status Critical Current

Links

Abstract

8421. List, R., and Saccharin Fabrik Akt.-Ges. vorm. Fahlberg, List, & Co. April 7. o-Sulphamidobenzoic acid is produced by heating the saccharin-containing mixture, produced in the oxidation of o-toluenesulphamide by means of potassium permanganate in the presence of caustic alkali, to a high temperature under pressure in the presence of the manganese dioxide produced during the oxidation process.
GB190908421D 1909-04-07 1909-04-07 An Improvement in the Manufacture of Ortho-sulphamidobenzoic Acid. Expired GB190908421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190908421T 1909-04-07

Publications (1)

Publication Number Publication Date
GB190908421A true GB190908421A (en) 1909-05-27

Family

ID=32443581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190908421D Expired GB190908421A (en) 1909-04-07 1909-04-07 An Improvement in the Manufacture of Ortho-sulphamidobenzoic Acid.

Country Status (1)

Country Link
GB (1) GB190908421A (en)

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