ATE20734T1 - Verfahren zur herstellung von alkylisocyanaten. - Google Patents

Verfahren zur herstellung von alkylisocyanaten.

Info

Publication number
ATE20734T1
ATE20734T1 AT84200660T AT84200660T ATE20734T1 AT E20734 T1 ATE20734 T1 AT E20734T1 AT 84200660 T AT84200660 T AT 84200660T AT 84200660 T AT84200660 T AT 84200660T AT E20734 T1 ATE20734 T1 AT E20734T1
Authority
AT
Austria
Prior art keywords
alkyl
phenol
phenyl
thermal decomposition
urethan
Prior art date
Application number
AT84200660T
Other languages
German (de)
English (en)
Inventor
Ugo Romano
Franco Rivetti
Giacomo Sasselli
Original Assignee
Enichimica Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11176452&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE20734(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Enichimica Spa filed Critical Enichimica Spa
Application granted granted Critical
Publication of ATE20734T1 publication Critical patent/ATE20734T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/04Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT84200660T 1983-05-13 1984-05-08 Verfahren zur herstellung von alkylisocyanaten. ATE20734T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT21081/83A IT1164223B (it) 1983-05-13 1983-05-13 Procedimento perfezionato per la produzione di isocianati alchilici
EP84200660A EP0125726B2 (en) 1983-05-13 1984-05-08 Improved process for preparing alkyl isocyanates

Publications (1)

Publication Number Publication Date
ATE20734T1 true ATE20734T1 (de) 1986-08-15

Family

ID=11176452

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84200660T ATE20734T1 (de) 1983-05-13 1984-05-08 Verfahren zur herstellung von alkylisocyanaten.

Country Status (7)

Country Link
US (1) US4514339A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0125726B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59212455A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE20734T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1218669A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3460297D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1164223B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1183332B (it) * 1985-02-08 1987-10-22 Enichem Sintesi Procedimento per la produzione di n-metilcarbammati
IL81939A0 (en) * 1986-03-21 1987-10-20 Union Carbide Corp Process for preparing methyl isocyanate
TW200844080A (en) * 2007-01-11 2008-11-16 Asahi Kasei Chemicals Corp Process for producing isocyanate
RU2434849C2 (ru) * 2007-01-11 2011-11-27 Асахи Касеи Кемикалз Корпорейшн Способ получения изоцианатов
WO2008120645A1 (ja) 2007-03-30 2008-10-09 Asahi Kasei Chemicals Corporation カルバミン酸エステルおよび芳香族ヒドロキシ化合物を含む組成物を用いるイソシアネートの製造方法、ならびにカルバミン酸エステル移送用および貯蔵用組成物
ES2710177T3 (es) 2008-05-15 2019-04-23 Asahi Chemical Ind Proceso para la producción de isocianato
JP5242678B2 (ja) 2008-05-15 2013-07-24 旭化成ケミカルズ株式会社 炭酸ジアリールを用いるイソシアネートの製造方法
CA2707336C (en) * 2009-08-21 2013-07-23 Asahi Kasei Chemicals Corporation N-substituted carbamic acid ester production method, isocyanate production method using such n-substituted carbamic acid ester, and composition for transfer and storage of n-substituted carbamic acid ester comprising n-substituted carbamic acid ester and aromatic hydroxy compound
US8957241B2 (en) 2011-02-21 2015-02-17 Asahi Kasei Chemicals Corporation Method for producing carbonyl compound

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2409712A (en) * 1944-02-03 1946-10-22 Du Pont Chemical process and products
US3366662A (en) * 1964-03-02 1968-01-30 Olin Mathieson Process for preparing isocyanates
US3919278A (en) * 1974-06-13 1975-11-11 Atlantic Richfield Co Production of isocyanates from lower alkyl esters of mononuclear aromatic carbamic acids
DE2512514C2 (de) * 1975-03-21 1982-12-30 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von aliphatischen Isocyanaten
US4123450A (en) * 1977-09-22 1978-10-31 Fmc Corporation Process for preparing alkyl isocyanates
DE2756928A1 (de) * 1977-12-21 1979-07-05 Bayer Ag Verfahren zur kontinuierlichen herstellung von monoisocyanaten

Also Published As

Publication number Publication date
US4514339A (en) 1985-04-30
DE3460297D1 (en) 1986-08-21
IT8321081A0 (it) 1983-05-13
IT8321081A1 (it) 1984-11-13
CA1218669A (en) 1987-03-03
IT1164223B (it) 1987-04-08
JPH0514705B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-02-25
EP0125726B2 (en) 1992-09-09
EP0125726B1 (en) 1986-07-16
EP0125726A1 (en) 1984-11-21
JPS59212455A (ja) 1984-12-01

Similar Documents

Publication Publication Date Title
ATE41926T1 (de) Verfahren zur herstellung von polyisocyanuratpolyisocyanaten mittels katalytischer zyklotrimerisation von polyisocyanaten.
ATE13762T1 (de) Verfahren zur herstellung von polyisocyanuratpolyisocyanatendurch katalytische cyclotrimerisierung von polyisocyanaten.
DD232038A1 (de) Verfahren zur herstellung von harnstoff
ATE23327T1 (de) Verfahren zur herstellung von aminen.
ES480249A1 (es) Procedimiento para preparar un metilenbis (fenilisocianato) liquido y estable en el almacenamiento.
ATE41008T1 (de) Verfahren zur herstellung von glyphosat und glyphosatderivaten.
ATE20734T1 (de) Verfahren zur herstellung von alkylisocyanaten.
SE8505011D0 (sv) Production of aminoethylethanolamine using rare earth metal or strontium hydrogen phosphates as catalysts
DE3363266D1 (en) Polyamines, process for producing polyamines and their use in the production of polyurethanes
ATE14721T1 (de) Verfahren zur herstellung von isocyanaten durch thermische spaltung von urethanen.
ATE16697T1 (de) Verfahren zur herstellung von p-animophenolen und alkylsubstituierte p-aminophenole.
GR75145B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ATE169042T1 (de) Verfahren zur herstellung von biuretgruppen- haltigen polyisocyanaten
GB1509860A (en) Process for the manufacture of carbodiimides
ATE41426T1 (de) Verfahren zur herstellung von triacetoxysilanen aus tris(amino)silanen.
ATE33826T1 (de) Verfahren zur herstellung von umsetzungsprodukten des cyanwasserstoffs.
ATE3027T1 (de) Verfahren zur hydroxylierung von kuerzerkettigen aliphatischen mono- oder diolefinen.
ES438221A1 (es) Procedimiento para purificar isocianatos organicos.
ATE1747T1 (de) Verfahren zur herstellung von urethanen.
ES8505178A1 (es) Procedimiento para la obtencion de derivados quinolinicos
ATE67179T1 (de) Verfahren zur herstellung von carbamidsaeuremethylestern.
GB1527464A (en) Ortho-alkylation of phenols
ES439058A1 (es) Procedimiento para la preparacion de uretanos aromaticos.
ATE18547T1 (de) Verfahren zur herstellung von p-aminophenolen und alkylsubstituierten p-aminophenolen.
ATE41929T1 (de) Verfahren zur herstellung von thiotetronsaeure.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee