GB191212619A - Improvements in and relating to the Manufacture and Production of Quinizarine. - Google Patents

Improvements in and relating to the Manufacture and Production of Quinizarine.

Info

Publication number
GB191212619A
GB191212619A GB191212619DA GB191212619A GB 191212619 A GB191212619 A GB 191212619A GB 191212619D A GB191212619D A GB 191212619DA GB 191212619 A GB191212619 A GB 191212619A
Authority
GB
United Kingdom
Prior art keywords
chlorphenol
acid
quinizarine
relating
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
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 GB191212619A publication Critical patent/GB191212619A/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

12,619. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. May 28. Quinizarin is obtained by condensing phthalic anhydride with p-chlorphenol or its sulphonic acids by means of concentrated or fuming sulphonic acid containing boric acid; according to examples, p-chlorphenol and its mono- and di-sulphonic acids are used. Quinizarin sulphuric boric ester is obtained as an intermediate product when p-chlorphenol disulphonic acid is used. p-Chlorphenol disulphonic acid is obtained by sulphonating p-chlorphenol with fuming sulphuric acid.
GB191212619D 1912-05-28 1912-05-28 Improvements in and relating to the Manufacture and Production of Quinizarine. Expired GB191212619A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191212619T 1912-05-28

Publications (1)

Publication Number Publication Date
GB191212619A true GB191212619A (en) 1913-04-10

Family

ID=32572527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191212619D Expired GB191212619A (en) 1912-05-28 1912-05-28 Improvements in and relating to the Manufacture and Production of Quinizarine.

Country Status (1)

Country Link
GB (1) GB191212619A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104926636A (en) * 2015-05-29 2015-09-23 江苏亚邦染料股份有限公司 Method for preparing 1,4-dihydroxy anthraquinone
CN115432853A (en) * 2022-09-02 2022-12-06 浙江亿得新材料股份有限公司 Comprehensive utilization of red acidic wastewater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104926636A (en) * 2015-05-29 2015-09-23 江苏亚邦染料股份有限公司 Method for preparing 1,4-dihydroxy anthraquinone
CN115432853A (en) * 2022-09-02 2022-12-06 浙江亿得新材料股份有限公司 Comprehensive utilization of red acidic wastewater
CN115432853B (en) * 2022-09-02 2023-11-21 浙江亿得新材料股份有限公司 Comprehensive utilization method of red acid wastewater

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