GB1385474A - Process for reducing the primary amine content of diarylamines - Google Patents

Process for reducing the primary amine content of diarylamines

Info

Publication number
GB1385474A
GB1385474A GB894171A GB894171A GB1385474A GB 1385474 A GB1385474 A GB 1385474A GB 894171 A GB894171 A GB 894171A GB 894171 A GB894171 A GB 894171A GB 1385474 A GB1385474 A GB 1385474A
Authority
GB
United Kingdom
Prior art keywords
diarylamines
primary amine
reducing
amine content
amide
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
GB894171A
Other languages
English (en)
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 GB894171A priority Critical patent/GB1385474A/en
Priority to ZA722064A priority patent/ZA722064B/xx
Priority to AU40614/72A priority patent/AU463392B2/en
Priority to DE19722215734 priority patent/DE2215734B2/de
Priority to IT2274672A priority patent/IT965044B/it
Priority to CS223572A priority patent/CS166811B2/cs
Priority to BR119172A priority patent/BR7201191D0/pt
Priority to NL7204515A priority patent/NL7204515A/xx
Priority to BR199172A priority patent/BR7201991D0/pt
Priority to AR24133872A priority patent/AR192241A1/es
Priority to FR7212079A priority patent/FR2136204A5/fr
Priority to SU1769933A priority patent/SU517247A3/ru
Priority to CA139,255A priority patent/CA1011344A/en
Priority to DD16213472A priority patent/DD99353A5/xx
Priority to BE781853A priority patent/BE781853A/xx
Publication of GB1385474A publication Critical patent/GB1385474A/en
Expired legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB894171A 1971-04-07 1971-04-07 Process for reducing the primary amine content of diarylamines Expired GB1385474A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
GB894171A GB1385474A (en) 1971-04-07 1971-04-07 Process for reducing the primary amine content of diarylamines
ZA722064A ZA722064B (en) 1971-04-07 1972-03-27 Process for the removal of primary arylamine impurity from a diarylamine
AU40614/72A AU463392B2 (en) 1971-04-07 1972-03-30 Treatment process
DE19722215734 DE2215734B2 (de) 1971-04-07 1972-03-30 Verfahren zur Verringerung von primären Arylaminen in Diarylaminen
IT2274672A IT965044B (it) 1971-04-07 1972-03-31 Procedimento per ridurre il teno re di impurezze di arilammine pri marie in diarilammine
CS223572A CS166811B2 (enExample) 1971-04-07 1972-04-04
BR119172A BR7201191D0 (pt) 1971-04-07 1972-04-05 Processo para tratamento de diarilamina para reduzir a proporcao de impurezas monoarilamina
NL7204515A NL7204515A (enExample) 1971-04-07 1972-04-05
BR199172A BR7201991D0 (pt) 1971-04-07 1972-04-05 Processo para tratamento de diarilaminas para reduzir e proporcao de impurezas monarilamina
AR24133872A AR192241A1 (es) 1971-04-07 1972-04-06 Procedimiento para tratar diarilaminas que contienen como impureza a arilaminas primarias
FR7212079A FR2136204A5 (enExample) 1971-04-07 1972-04-06
SU1769933A SU517247A3 (ru) 1971-04-07 1972-04-06 Способ очистки диариламинов
CA139,255A CA1011344A (en) 1971-04-07 1972-04-07 Reduction of primary arylamine impurity in a diarylamine
DD16213472A DD99353A5 (enExample) 1971-04-07 1972-04-07
BE781853A BE781853A (fr) 1971-04-07 1972-04-07 Procede pour eliminer les monoarylamines contaminant les diarylamines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB894171A GB1385474A (en) 1971-04-07 1971-04-07 Process for reducing the primary amine content of diarylamines

Publications (1)

Publication Number Publication Date
GB1385474A true GB1385474A (en) 1975-02-26

Family

ID=9862283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB894171A Expired GB1385474A (en) 1971-04-07 1971-04-07 Process for reducing the primary amine content of diarylamines

Country Status (14)

Country Link
AR (1) AR192241A1 (enExample)
AU (1) AU463392B2 (enExample)
BE (1) BE781853A (enExample)
BR (2) BR7201991D0 (enExample)
CA (1) CA1011344A (enExample)
CS (1) CS166811B2 (enExample)
DD (1) DD99353A5 (enExample)
DE (1) DE2215734B2 (enExample)
FR (1) FR2136204A5 (enExample)
GB (1) GB1385474A (enExample)
IT (1) IT965044B (enExample)
NL (1) NL7204515A (enExample)
SU (1) SU517247A3 (enExample)
ZA (1) ZA722064B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2351590C2 (ru) * 2003-02-10 2009-04-10 Вертекс Фармасьютикалз Инкорпорейтед Способ получения диариламина

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB792830A (en) * 1955-03-08 1958-04-02 Leda Chemicals Ltd Method of separating aromatic secondary amines from mixtures of aromatic primary and secondary amines

Also Published As

Publication number Publication date
BE781853A (fr) 1972-10-09
SU517247A3 (ru) 1976-06-05
DE2215734B2 (de) 1980-03-27
CS166811B2 (enExample) 1976-03-29
BR7201991D0 (pt) 1974-10-29
AR192241A1 (es) 1973-02-08
AU4061472A (en) 1973-10-04
FR2136204A5 (enExample) 1972-12-22
CA1011344A (en) 1977-05-31
NL7204515A (enExample) 1972-10-10
BR7201191D0 (pt) 1973-06-21
DD99353A5 (enExample) 1973-08-05
ZA722064B (en) 1973-01-31
DE2215734C3 (enExample) 1989-10-12
AU463392B2 (en) 1975-07-08
DE2215734A1 (de) 1972-10-19
IT965044B (it) 1974-01-31

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years