GB1252517A - - Google Patents

Info

Publication number
GB1252517A
GB1252517A GB1252517DA GB1252517A GB 1252517 A GB1252517 A GB 1252517A GB 1252517D A GB1252517D A GB 1252517DA GB 1252517 A GB1252517 A GB 1252517A
Authority
GB
United Kingdom
Prior art keywords
oxide
isocyanates
organic
benzenes
reaction
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
Other languages
English (en)
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 filed Critical
Publication of GB1252517A publication Critical patent/GB1252517A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/14Preparation of derivatives of isocyanic acid by catalytic reaction of nitro compounds with carbon monoxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
GB1252517D 1968-09-03 1969-08-18 Expired GB1252517A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75710568A 1968-09-03 1968-09-03

Publications (1)

Publication Number Publication Date
GB1252517A true GB1252517A (https=) 1971-11-03

Family

ID=25046370

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252517D Expired GB1252517A (https=) 1968-09-03 1969-08-18

Country Status (14)

Country Link
US (1) US3674827A (https=)
JP (1) JPS4843108B1 (https=)
AT (1) AT299922B (https=)
BE (1) BE738377A (https=)
CH (1) CH520658A (https=)
DE (1) DE1944747B2 (https=)
DK (1) DK134597B (https=)
ES (1) ES371094A1 (https=)
FR (1) FR2017317A1 (https=)
GB (1) GB1252517A (https=)
LU (1) LU59391A1 (https=)
NL (1) NL6913250A (https=)
NO (1) NO135142C (https=)
SE (1) SE384367B (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU635866A3 (ru) * 1972-03-07 1978-11-30 Сумитомо Кемикал Компани Лимитед (Фирма) Способ получени ароматических изоцианатов
JPS50134122A (https=) * 1974-04-16 1975-10-24
JPS51136406U (https=) * 1975-04-25 1976-11-04
JPS5482308U (https=) * 1977-11-24 1979-06-11
US4411820A (en) * 1981-04-20 1983-10-25 Gulf Research & Development Company Catalyst and process for preparing organic urethanes
US4331560A (en) * 1981-04-20 1982-05-25 Gulf Research & Development Company Catalyst and process for preparing organic isocyanates
US4341898A (en) * 1981-05-18 1982-07-27 Air Products And Chemicals, Inc. Synthesis of isocyanates from nitroalkanes
FR2515640A1 (fr) * 1981-11-03 1983-05-06 Ugine Kuhlmann Procede de fabrication d'isocyanates aromatiques par carbonylation des derives nitres en presence de catalyseurs supportes prepares a partir de complexes heteropolymetalliques
JPS58162736U (ja) * 1982-04-23 1983-10-29 本田技研工業株式会社 電源供給回路
US9451707B2 (en) * 2012-12-13 2016-09-20 Dow Global Technologies Llc Stabilized silver catalysts and methods

Also Published As

Publication number Publication date
DK134597C (https=) 1977-05-16
NO135142B (https=) 1976-11-08
FR2017317A1 (https=) 1970-05-22
DE1944747A1 (de) 1970-03-26
AT299922B (de) 1972-07-10
NO135142C (https=) 1977-02-16
BE738377A (https=) 1970-03-03
JPS4843108B1 (https=) 1973-12-17
DE1944747B2 (de) 1973-05-24
CH520658A (de) 1972-03-31
SE384367B (sv) 1976-05-03
DE1944747C3 (https=) 1973-12-20
DK134597B (da) 1976-12-06
ES371094A1 (es) 1971-08-16
US3674827A (en) 1972-07-04
NL6913250A (https=) 1970-03-05
LU59391A1 (https=) 1971-08-05

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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