GB1439838A – Process for the preparation of diphenylamine and substituted derivatives thereof
– Google Patents
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
1973-07-13
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.)
1973-07-13
Filing date
1973-07-13
Publication date
1976-06-16
1973-07-13
Application filed by Imperial Chemical Industries Ltd
filed
Critical
Imperial Chemical Industries Ltd
1973-07-13
Priority to GB3344773A
priority
Critical
patent/GB1439838A/en
1976-06-16
Publication of GB1439838A
publication
Critical
patent/GB1439838A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
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
EP0412611A2
(en)
*
1989-08-08
1991-02-13
Union Carbide Chemicals And Plastics Company, Inc.
Promoted amines catalysis
EP0412614A2
(en)
*
1989-08-08
1991-02-13
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
1973
1973-07-13
GB
GB3344773A
patent/GB1439838A/en
not_active
Expired
Cited By (10)
* 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
EP0412611A2
(en)
*
1989-08-08
1991-02-13
Union Carbide Chemicals And Plastics Company, Inc.
Promoted amines catalysis
EP0412614A2
(en)
*
1989-08-08
1991-02-13
Union Carbide Chemicals And Plastics Company, Inc.
Amines catalysis
EP0412614A3
(en)
*
1989-08-08
1991-04-03
Union Carbide Chemicals And Plastics Company, Inc.
Amines catalysis
EP0412611A3
(en)
*
1989-08-08
1991-04-03
Union Carbide Chemicals And Plastics Company, Inc.
Promoted 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
1976-10-27
PS
Patent sealed
1979-05-16
PCNP
Patent ceased through non-payment of renewal fee
