BR7504240A - Processo para a producao de isocianatos a partir de esteres de acidos carbamicos - Google Patents
Processo para a producao de isocianatos a partir de esteres de acidos carbamicosInfo
- Publication number
- BR7504240A BR7504240A BR5430/75D BR7505430D BR7504240A BR 7504240 A BR7504240 A BR 7504240A BR 5430/75 D BR5430/75 D BR 5430/75D BR 7505430 D BR7505430 D BR 7505430D BR 7504240 A BR7504240 A BR 7504240A
- Authority
- BR
- Brazil
- Prior art keywords
- isocianates
- production
- acid esters
- carbamic acid
- carbamic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/04—Preparation 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US486034A US3919280A (en) | 1974-07-05 | 1974-07-05 | Recovery of solvents employed in the production of isocyanates from esters of carbamic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7504240A true BR7504240A (pt) | 1976-07-06 |
Family
ID=23930350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR5430/75D BR7504240A (pt) | 1974-07-05 | 1975-07-04 | Processo para a producao de isocianatos a partir de esteres de acidos carbamicos |
Country Status (15)
Country | Link |
---|---|
US (1) | US3919280A (pt) |
JP (1) | JPS584016B2 (pt) |
AR (1) | AR219047A1 (pt) |
BE (1) | BE830695A (pt) |
BR (1) | BR7504240A (pt) |
CA (1) | CA1048523A (pt) |
DE (1) | DE2530001B2 (pt) |
ES (1) | ES439170A1 (pt) |
FR (1) | FR2277075A1 (pt) |
GB (1) | GB1503688A (pt) |
IN (1) | IN140975B (pt) |
IT (1) | IT1039698B (pt) |
MX (1) | MX143504A (pt) |
NL (1) | NL7507297A (pt) |
ZA (1) | ZA753911B (pt) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2512514C2 (de) * | 1975-03-21 | 1982-12-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von aliphatischen Isocyanaten |
DE2756928A1 (de) * | 1977-12-21 | 1979-07-05 | Bayer Ag | Verfahren zur kontinuierlichen herstellung von monoisocyanaten |
DE2942543A1 (de) * | 1979-10-20 | 1981-05-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von arylisocyanaten durch thermische spaltung von arylurethanen |
JPS5679658A (en) * | 1979-12-05 | 1981-06-30 | Mitsui Toatsu Chem Inc | Novel polyisocyanate composition |
US4268683A (en) * | 1980-02-21 | 1981-05-19 | The Dow Chemical Company | Preparation of carbamates from aromatic amines and organic carbonates |
US4268684A (en) * | 1980-02-25 | 1981-05-19 | The Dow Chemical Company | Preparation of carbamates from aromatic amines and organic carbonates |
DE3035146A1 (de) * | 1980-09-18 | 1982-04-22 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von n- und o-substituierten mono- oder bis-urethanen, sowie deren verwendung als ausgangsmaterial zur herstellung von aliphatischen isocyanaten |
DE3035354A1 (de) * | 1980-09-19 | 1982-04-29 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von n,o-disubstituierten urethanen und ihre verwendung als ausgangsmaterial zur herstellung von organischen isocyanaten |
DE3047898A1 (de) * | 1980-12-19 | 1982-07-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern und die verwendung von hierbei anfallenden isocyanate und carbamidsaeureester aufweisenden gemischen zur herstellung von isocyanaten |
US4487713A (en) * | 1981-06-26 | 1984-12-11 | Exxon Research & Engineering Co. | Production of isocyanates from esters of aromatic carbamic acids (urethanes) |
DE3146230A1 (de) * | 1981-11-21 | 1983-05-26 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von n-substituierten n-isocyanatocarbonyl-carbamaten |
DE3215591A1 (de) * | 1982-04-27 | 1983-10-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern |
US4888442A (en) * | 1982-09-30 | 1989-12-19 | Mobay Corporation | Reduction of free monomer in isocyanate adducts |
US4633010A (en) * | 1982-12-27 | 1986-12-30 | American Cyanamid Company | Tertiary aralkyl triurethane |
JP2542903B2 (ja) * | 1988-04-22 | 1996-10-09 | 富士写真フイルム株式会社 | 現像液組成物 |
DE3915181A1 (de) * | 1989-05-10 | 1990-11-15 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
DE3915183A1 (de) * | 1989-05-10 | 1990-11-15 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
DE4137428A1 (de) * | 1991-11-14 | 1993-05-19 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
US5233010A (en) * | 1992-10-15 | 1993-08-03 | Monsanto Company | Process for preparing isocyanate and carbamate ester products |
EP0680994A1 (en) * | 1994-05-02 | 1995-11-08 | Nippon Paint Co., Ltd. | Re-Crosslinkable composition and method for recycling using the same |
DE102004024274A1 (de) * | 2004-05-15 | 2005-12-01 | Basf Ag | Verfahren zur Herstellung einer Lösung von reinem Triethylendiamin (TEDA) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2409712A (en) * | 1944-02-03 | 1946-10-22 | Du Pont | Chemical process and products |
-
1974
- 1974-07-05 US US486034A patent/US3919280A/en not_active Expired - Lifetime
-
1975
- 1975-05-16 CA CA75227192A patent/CA1048523A/en not_active Expired
- 1975-05-23 GB GB22880/75A patent/GB1503688A/en not_active Expired
- 1975-06-18 ZA ZA00753911A patent/ZA753911B/xx unknown
- 1975-06-19 NL NL7507297A patent/NL7507297A/xx unknown
- 1975-06-19 IN IN1220/CAL/75A patent/IN140975B/en unknown
- 1975-06-26 BE BE157730A patent/BE830695A/xx unknown
- 1975-07-03 IT IT25050/75A patent/IT1039698B/it active
- 1975-07-03 JP JP50082335A patent/JPS584016B2/ja not_active Expired
- 1975-07-03 FR FR7520895A patent/FR2277075A1/fr active Granted
- 1975-07-04 BR BR5430/75D patent/BR7504240A/pt unknown
- 1975-07-04 MX MX159432A patent/MX143504A/es unknown
- 1975-07-04 DE DE19752530001 patent/DE2530001B2/de not_active Ceased
- 1975-07-04 AR AR259479A patent/AR219047A1/es active
- 1975-07-04 ES ES439170A patent/ES439170A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
MX143504A (es) | 1981-05-21 |
JPS584016B2 (ja) | 1983-01-24 |
FR2277075B1 (pt) | 1978-09-01 |
GB1503688A (en) | 1978-03-15 |
IN140975B (pt) | 1977-01-08 |
IT1039698B (it) | 1979-12-10 |
DE2530001B2 (de) | 1978-01-19 |
ZA753911B (en) | 1976-05-26 |
CA1048523A (en) | 1979-02-13 |
NL7507297A (nl) | 1976-01-07 |
AU8171375A (en) | 1976-12-02 |
AR219047A1 (es) | 1980-07-31 |
JPS5129445A (en) | 1976-03-12 |
DE2530001A1 (de) | 1976-01-15 |
US3919280A (en) | 1975-11-11 |
ES439170A1 (es) | 1977-05-16 |
BE830695A (fr) | 1975-10-16 |
FR2277075A1 (fr) | 1976-01-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7504240A (pt) | Processo para a producao de isocianatos a partir de esteres de acidos carbamicos | |
BR7504382A (pt) | Processo para a producao de valores metalicos comercialmente utilizaveis a partir de ferro-niquel | |
BR7503729A (pt) | Processo para a producao de isocianatos | |
BR7806296A (pt) | Processo para a producao de esteres do acido metacrilico | |
BR7508170A (pt) | Processo para a producao de carbonil-aldimino-metano-fosfanatos | |
BR7405697D0 (pt) | Processo para a producao de polilactonas derivadas de acidos polialfa-hidroxiaculicos | |
BR7500809A (pt) | Processo para a preparacao de fluoreto de calcio a partir de acido a partir de acido hexafluorosilisico | |
BR7504996A (pt) | Processo para a producao de acido de warfarina microcristalina | |
BR7402335D0 (pt) | Processo para a fabricacao de esteres insaturados de acidos carboxilicos | |
BR7505540A (pt) | Processo para a producao de mono-olefinas a partir de parafinas | |
BR7505357A (pt) | Processo para a preparacao de esteres do acido pirimidinil-tionofosfonico,e composicoes inseticidas a base destes | |
BR7400387D0 (pt) | Processo para a preparacao de esteres o-etil-s-n-propilicos de acido o-viniltionotiolfosforico e composicoes inseticidas e acaricidas a base destes | |
BR7402271D0 (pt) | Processo para a fabricacao de esteres de acidos fosforico | |
BR7403946D0 (pt) | Processo para a fabricacao de esteres de acido 5-oxo-carboxilico | |
BR7508054A (pt) | Processo para producao de esteres de acido ciclopropano-carboxilico,e composicoes pesticidas a base dos mesmos | |
IT1037316B (it) | Processo per la produzione di acido acetico | |
BR7508484A (pt) | Processo aperfeicoado para a producao de acido nitrico concentrado | |
BR7502585A (pt) | Processo para a preparacao de acido cianurico | |
BR7508128A (pt) | Processo para a producao de aluminio | |
BR7500436A (pt) | Processo para a producao de n n-dialildicloroacetamida | |
BR7503007A (pt) | Processo para a fabricacao de compostos de n-aril-imida de acido 4-amido-1,8-naftalico | |
BR7507640A (pt) | Processo aperfeicoado para a producao de dinitrilas a partir de tiodinitrilas | |
BR7504644A (pt) | Processo para a producao de fios a partir de la de coelhos angora | |
BR7207778D0 (pt) | Processo para a obtencao de esteres dialquilicos de acido acilsuccinico | |
BR7501071A (pt) | Processo para a producao de esteres de acido o-etil-o-n-propil-o-vinil tionofosforico e composicoes inseticidas e acaricidas a base destes |