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GB1439838A - Process for the preparation of diphenylamine and substituted derivatives thereof - Google Patents

Process for the preparation of diphenylamine and substituted derivatives thereof

Info

Publication number
GB1439838A
GB1439838A GB3344773A GB3344773A GB1439838A GB 1439838 A GB1439838 A GB 1439838A GB 3344773 A GB3344773 A GB 3344773A GB 3344773 A GB3344773 A GB 3344773A GB 1439838 A GB1439838 A GB 1439838A
Authority
GB
United Kingdom
Prior art keywords
substituted derivatives
diphenylamine
preparation
diphenylamines
titanium
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
GB3344773A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3344773A priority Critical patent/GB1439838A/en
Publication of GB1439838A publication Critical patent/GB1439838A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/64—Preparation of compounds containing amino groups bound to a carbon skeleton by disproportionation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1439838 Diphenylamines IMPERIAL CHEMICAL INDUSTRIES Ltd 11 Oct 1974 [13 July 1973] 33447/73 Heading C2C Diphenylamines and substituted derivatives thereof are prepared by passing in vapour form aniline, optionally substituted in the nucleus by not more than three substituents selected from C 1 to C 4 alkyl, chlorine and bromine, at from 300‹ to 600‹ C. over an alumina catalyst into which titanium has been incorporated by treatment with a titanium compound.
GB3344773A 1973-07-13 1973-07-13 Process for the preparation of diphenylamine and substituted derivatives thereof Expired GB1439838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3344773A GB1439838A (en) 1973-07-13 1973-07-13 Process for the preparation of diphenylamine and substituted derivatives thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3344773A GB1439838A (en) 1973-07-13 1973-07-13 Process for the preparation of diphenylamine and substituted derivatives thereof

Publications (1)

Publication Number Publication Date
GB1439838A true GB1439838A (en) 1976-06-16

Family

ID=10353074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3344773A Expired GB1439838A (en) 1973-07-13 1973-07-13 Process for the preparation of diphenylamine and substituted derivatives thereof

Country Status (1)

Country Link
GB (1) GB1439838A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454348A (en) * 1982-10-13 1984-06-12 United States Steel Corporation Manufacture of diphenylamine
EP0412611A3 (en) * 1989-08-08 1991-04-03 Union Carbide Chemicals And Plastics Company, Inc. Promoted amines catalysis
EP0412614A3 (en) * 1989-08-08 1991-04-03 Union Carbide Chemicals And Plastics Company, Inc. Amines catalysis
US5648538A (en) * 1994-06-29 1997-07-15 Fushun Research Institute Of Petroleum And Petrochemicals Process for preparing diarylamines from arylamines
CN112934246A (en) * 2021-02-10 2021-06-11 利安隆（珠海）新材料有限公司 Catalyst, preparation method thereof and synthesis method of diphenylamine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454348A (en) * 1982-10-13 1984-06-12 United States Steel Corporation Manufacture of diphenylamine
US5202489A (en) * 1987-12-22 1993-04-13 Union Carbide Chemicals & Plastics Technology Corporation Amines catalysis
EP0412611A3 (en) * 1989-08-08 1991-04-03 Union Carbide Chemicals And Plastics Company, Inc. Promoted amines catalysis
EP0412614A3 (en) * 1989-08-08 1991-04-03 Union Carbide Chemicals And Plastics Company, Inc. Amines catalysis
US5210306A (en) * 1989-08-08 1993-05-11 Union Carbide Chemicals & Plastics Technology Corporation Promoted amines catalysis
US5648538A (en) * 1994-06-29 1997-07-15 Fushun Research Institute Of Petroleum And Petrochemicals Process for preparing diarylamines from arylamines
CN112934246A (en) * 2021-02-10 2021-06-11 利安隆（珠海）新材料有限公司 Catalyst, preparation method thereof and synthesis method of diphenylamine
CN112934246B (en) * 2021-02-10 2023-10-10 利安隆（珠海）新材料有限公司 Catalyst, preparation method thereof and synthesis method of diphenylamine

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee