GB2068939B - Process for the manufacture of aromatic isocyanates - Google Patents

Process for the manufacture of aromatic isocyanates

Info

Publication number
GB2068939B
GB2068939B GB8036379A GB8036379A GB2068939B GB 2068939 B GB2068939 B GB 2068939B GB 8036379 A GB8036379 A GB 8036379A GB 8036379 A GB8036379 A GB 8036379A GB 2068939 B GB2068939 B GB 2068939B
Authority
GB
United Kingdom
Prior art keywords
manufacture
aromatic isocyanates
isocyanates
aromatic
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
GB8036379A
Other languages
English (en)
Other versions
GB2068939A (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.)
Produits Chimiques Ugine Kuhlmann
Pechiney SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
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 Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Publication of GB2068939A publication Critical patent/GB2068939A/en
Application granted granted Critical
Publication of GB2068939B publication Critical patent/GB2068939B/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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/084—Y-type faujasite
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/14—Preparation 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)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB8036379A 1979-11-27 1980-11-12 Process for the manufacture of aromatic isocyanates Expired GB2068939B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7929123A FR2470115A1 (fr) 1979-11-27 1979-11-27 Procede de fabrication d'isocyanates aromatiques par carbonylation des derives nitres en presence de zeolithes contenant un metal actif

Publications (2)

Publication Number Publication Date
GB2068939A GB2068939A (en) 1981-08-19
GB2068939B true GB2068939B (en) 1984-05-02

Family

ID=9232114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8036379A Expired GB2068939B (en) 1979-11-27 1980-11-12 Process for the manufacture of aromatic isocyanates

Country Status (12)

Country Link
US (1) US4332739A (enExample)
JP (1) JPS5687546A (enExample)
BE (1) BE886245A (enExample)
CH (1) CH645095A5 (enExample)
DE (1) DE3044156C2 (enExample)
DK (1) DK502680A (enExample)
FR (1) FR2470115A1 (enExample)
GB (1) GB2068939B (enExample)
LU (1) LU82952A1 (enExample)
NL (1) NL8006442A (enExample)
NO (1) NO151238C (enExample)
SE (1) SE448627B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11512046B2 (en) 2017-04-05 2022-11-29 Basf Se Heterogeneous catalysts for the direct carbonylation of nitro aromatic compounds to isocyanates

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523966A (en) * 1966-04-01 1970-08-11 Olin Corp Process for preparing aromatic isocyanates
GB1257932A (enExample) * 1968-06-26 1971-12-22
US3828089A (en) * 1972-12-01 1974-08-06 Olin Corp Preparation of aromatic isocyanates in fixed bed reactor
JPS5253999A (en) * 1975-10-29 1977-04-30 Sanyo Chem Ind Ltd Metod for treating compositions containng free isocyanates
JPS5479251A (en) * 1977-12-08 1979-06-25 Mitsui Toatsu Chem Inc Preparation of aromatic isocyanate

Also Published As

Publication number Publication date
CH645095A5 (fr) 1984-09-14
GB2068939A (en) 1981-08-19
US4332739A (en) 1982-06-01
NL8006442A (nl) 1981-07-01
NO151238C (no) 1985-03-06
NO151238B (no) 1984-11-26
BE886245A (fr) 1981-05-19
DE3044156A1 (de) 1981-06-19
FR2470115A1 (fr) 1981-05-29
SE448627B (sv) 1987-03-09
JPS5687546A (en) 1981-07-16
DE3044156C2 (de) 1982-08-26
DK502680A (da) 1981-05-28
LU82952A1 (fr) 1982-06-30
NO803485L (no) 1981-05-29
FR2470115B1 (enExample) 1983-07-18
SE8007426L (sv) 1981-05-28

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee