BR8001208A - Processo para a producao de uretanas - Google Patents

Processo para a producao de uretanas

Info

Publication number
BR8001208A
BR8001208A BR8001208A BR8001208A BR8001208A BR 8001208 A BR8001208 A BR 8001208A BR 8001208 A BR8001208 A BR 8001208A BR 8001208 A BR8001208 A BR 8001208A BR 8001208 A BR8001208 A BR 8001208A
Authority
BR
Brazil
Prior art keywords
compounds
cycloaliphatic
aliphatic
selenium
sulfur
Prior art date
Application number
BR8001208A
Other languages
English (en)
Inventor
H Scholl
A Zenner
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR8001208A publication Critical patent/BR8001208A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/04—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Epoxy Compounds (AREA)
BR8001208A 1979-03-02 1980-02-29 Processo para a producao de uretanas BR8001208A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792908250 DE2908250A1 (de) 1979-03-02 1979-03-02 Verfahren zur herstellung von urethanen

Publications (1)

Publication Number Publication Date
BR8001208A true BR8001208A (pt) 1980-11-04

Family

ID=6064329

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8001208A BR8001208A (pt) 1979-03-02 1980-02-29 Processo para a producao de uretanas

Country Status (9)

Country Link
US (1) US4490551A (pt)
EP (1) EP0016948B1 (pt)
JP (1) JPS55120550A (pt)
AT (1) ATE1747T1 (pt)
AU (1) AU5601180A (pt)
BR (1) BR8001208A (pt)
CA (1) CA1133928A (pt)
DE (2) DE2908250A1 (pt)
ES (1) ES489080A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3046982A1 (de) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von urethanen
US5194660A (en) * 1990-12-21 1993-03-16 Union Carbide Chemicals & Plastics Technology Corporation Processes for producing carbamates and isocyanates
US5155267A (en) * 1991-10-24 1992-10-13 Arco Chemical Technology, L.P. Synthesis of isocyanate precursors from primary formamides
CN102924334A (zh) * 2012-11-30 2013-02-13 辽宁大学 一种合成对称脲类化合物的方法
KR101828431B1 (ko) 2016-10-12 2018-02-13 한국생산기술연구원 니트로화합물로부터 우레탄을 제조하기 위한 Fe-Se계 촉매 및 이를 이용한 우레탄의 제조방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL302312A (pt) * 1962-12-21
GB1129551A (en) * 1965-03-18 1968-10-09 Ici Ltd Process for the manufacture of urethanes
GB1087896A (en) * 1965-07-06 1967-10-18 Ici Ltd Process for the manufacture of urethanes
GB1080094A (en) * 1965-07-09 1967-08-23 Ici Ltd The preparation of urethanes
NL6613551A (pt) * 1965-10-15 1967-04-17
US3467694A (en) * 1965-10-15 1969-09-16 American Cyanamid Co Process for producing urethanes
GB1092157A (en) * 1965-11-08 1967-11-22 Ici Ltd Process for the manufacture of urethanes
NL159370B (nl) * 1968-05-13 1979-02-15 American Cyanamid Co Werkwijze voor het bereiden van bis-urethanen.
US3895054A (en) * 1972-08-30 1975-07-15 Atlantic Richfield Co Process for the manufacture of urethanes
US3956360A (en) * 1973-06-21 1976-05-11 Atlantic Richfield Company Process for the manufacture of urethanes
US3993685A (en) * 1974-10-21 1976-11-23 Atlantic Richfield Company Process for the production of urethanes
JPS5175043A (pt) * 1974-12-19 1976-06-29 Mitsui Toatsu Chemicals
US4186269A (en) * 1975-01-30 1980-01-29 Mitsui Toatsu Chemicals, Incorporated Process for producing an aromatic urethane
JPS51115444A (en) * 1975-04-02 1976-10-12 Mitsui Toatsu Chem Inc Process for preparation of urethanes
JPS51149242A (en) * 1975-06-17 1976-12-22 Mitsui Toatsu Chem Inc Process for preparing urethanes
US4052420A (en) * 1975-09-22 1977-10-04 Ethyl Corporation Process for producing diurethane from dinitro compounds, hydroxyl compounds and carbon monoxide
US4052437A (en) * 1975-09-22 1977-10-04 Ethyl Corporation Process for producing urethane from nitro compounds, hydroxyl compounds and carbon monoxide using rhodium oxide catalysts
JPS5423432A (en) * 1977-07-25 1979-02-22 Hitachi Ltd Cathode-ray tube display unit
US4178455A (en) * 1977-07-25 1979-12-11 Mitsui Toatsu Chemicals, Incorporated Process for preparing aromatic urethanes
DE2808980A1 (de) * 1978-03-02 1979-09-13 Bayer Ag Verfahren zur herstellung von urethanen
DE2808990A1 (de) * 1978-03-02 1979-09-13 Bayer Ag Verfahren zur herstellung von urethanen

Also Published As

Publication number Publication date
US4490551A (en) 1984-12-25
AU5601180A (en) 1980-09-04
ATE1747T1 (de) 1982-11-15
DE2908250A1 (de) 1980-09-11
CA1133928A (en) 1982-10-19
JPS55120550A (en) 1980-09-17
EP0016948A1 (de) 1980-10-15
ES489080A1 (es) 1980-09-16
JPS6312059B2 (pt) 1988-03-17
DE3061015D1 (en) 1982-12-09
EP0016948B1 (de) 1982-11-03

Similar Documents

Publication Publication Date Title
BR8001204A (pt) Processo para a preparacao de uretanas
MX3357E (es) Metodo para preparar una solucion soluble en aceite
ES8700254A1 (es) Un procedimiento para la preparacion de aminoalcoxibenzopiranonas.
ES466357A1 (es) Procedimiento para la obtencion de poliamidas organicas.
ES477484A1 (es) Procedimiento para la preparacion de aminas.
BR8001208A (pt) Processo para a producao de uretanas
TR200000452T2 (tr) Aromatik aminler üretilmesine yönelik işlem.
DE3063514D1 (en) Process for the production of 1,2-diols containing a higher number of carbon atoms
KR870008835A (ko) 이미노디아세토니트릴의 제조방법
BR8803202A (pt) Processo para a preparacao de espumas de poliureia;espuma de poliureia
MX9101187A (es) Procesos para la preparacion de compuestos que contienen nitrogeno
GB2013660A (en) Manufacture of amines
ES414365A1 (es) Procedimiento para la preparacion de nuevos derivados del acido p-dihidroxibencenodisulfonico.
ES2102503T3 (es) Proceso para efectuar reacciones quimicas con formaldehido.
MX167129B (es) Procedimiento para la preparacion de n,n-(dibenzohexatrienilen)-urea.
GB2013339A (en) Method and apparatus for the determination of nitrates or nitrates in aqueous solutions
SE8600596D0 (sv) Procede de preparation d'une phenyluree substituee
FR2338738A1 (fr) Procede de regeneration des absorbants pour l'epuration des gaz contenant de l'hydrogene sulfure ou de l'anhydride sulfureux
ES465280A1 (es) Un procedimiento para la preparacion de una monocloro-diami-na-s-triacina.
ES8106483A1 (es) Procedimiento para la preparacion de clorhidrato de amida deacido 4-aminobutirico
DE3060595D1 (en) Process for preparing 4-amino-5-chloro-1-phenylpyridazone-(6)
BR8107729A (pt) Processo para a producao de isocianatos de cloroalquilsulfonila
ES416193A1 (es) Un procedimiento para la produccion de una (+)-lactona-op- ticamente activa.
GR3004212T3 (pt)
MX170218B (es) Procediniento para la producion de 2-tioclanometilitiobenzotiazol