DE3580749D1 - Verfahren zur herstellung von n-methylcarbamaten. - Google Patents
Verfahren zur herstellung von n-methylcarbamaten.Info
- Publication number
- DE3580749D1 DE3580749D1 DE8585200685T DE3580749T DE3580749D1 DE 3580749 D1 DE3580749 D1 DE 3580749D1 DE 8585200685 T DE8585200685 T DE 8585200685T DE 3580749 T DE3580749 T DE 3580749T DE 3580749 D1 DE3580749 D1 DE 3580749D1
- Authority
- DE
- Germany
- Prior art keywords
- methyl isocyanate
- outcoming
- methylurethane
- methylcarbamate
- naphthol
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/02—Formation of carboxyl groups in compounds containing amino groups, e.g. by oxidation of amino alcohols
-
- 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
-
- 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
-
- 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
- C07C269/02—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 isocyanates with formation of carbamate groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19453/85A IT1183332B (it) | 1985-02-08 | 1985-02-08 | Procedimento per la produzione di n-metilcarbammati |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3580749D1 true DE3580749D1 (de) | 1991-01-10 |
Family
ID=11158136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585200685T Expired - Fee Related DE3580749D1 (de) | 1985-02-08 | 1985-05-02 | Verfahren zur herstellung von n-methylcarbamaten. |
Country Status (15)
Country | Link |
---|---|
US (1) | US4659845A (de) |
EP (1) | EP0190466B1 (de) |
JP (1) | JPH0617356B2 (de) |
KR (1) | KR870000673B1 (de) |
CN (1) | CN1004353B (de) |
AT (1) | ATE58722T1 (de) |
AU (1) | AU580823B2 (de) |
BR (1) | BR8502202A (de) |
CA (1) | CA1249594A (de) |
DE (1) | DE3580749D1 (de) |
IL (1) | IL75080A (de) |
IT (1) | IT1183332B (de) |
MX (1) | MX168252B (de) |
SU (1) | SU1433410A3 (de) |
ZA (1) | ZA859406B (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8714873D0 (en) * | 1987-06-25 | 1987-07-29 | Bp Chemicals Additives | Additives |
IT1222428B (it) * | 1987-07-31 | 1990-09-05 | Enichem Sintesi | Procedimento perfezionato per la produzione di n alchilcarbammati |
US5220069A (en) * | 1990-09-20 | 1993-06-15 | Union Carbide Chemicals & Plastics Technology Corporation | Processes for the preparation of carbamates |
US5284962A (en) * | 1992-10-09 | 1994-02-08 | E. I. Du Pont De Nemours And Company | Multistage process for making methyl carbamates |
US5613856A (en) * | 1995-07-11 | 1997-03-25 | Hoover; Robert | Ski training system |
WO2000014057A1 (en) * | 1998-07-30 | 2000-03-16 | Aventis Cropscience S.A. | New process for carbamate production |
IT1318395B1 (it) * | 2000-03-17 | 2003-08-25 | Enichem Spa | Processo in continuo per la sintesi di uretani aromatici. |
US8053595B2 (en) | 2006-11-17 | 2011-11-08 | Asahi Kasei Chemicals Corporation | Process for producing isocyanates |
TW200844080A (en) | 2007-01-11 | 2008-11-16 | Asahi Kasei Chemicals Corp | Process for producing isocyanate |
US8893347B2 (en) | 2007-02-06 | 2014-11-25 | S.C. Johnson & Son, Inc. | Cleaning or dusting pad with attachment member holder |
CN101652344B (zh) | 2007-03-30 | 2014-06-04 | 旭化成化学株式会社 | 使用含有氨基甲酸酯和芳香族羟基化合物的组合物制造异氰酸酯的方法、以及氨基甲酸酯输送用和储藏用组合物 |
US7977504B2 (en) | 2007-11-19 | 2011-07-12 | Asahi Kasei Chemicals Corporation | Process for producing isocyanates and aromatic hydroxy compounds |
KR101363232B1 (ko) * | 2008-05-15 | 2014-02-12 | 아사히 가세이 케미칼즈 가부시키가이샤 | 탄산디아릴을 이용하는 이소시아네이트의 제조 방법 |
ES2710177T3 (es) | 2008-05-15 | 2019-04-23 | Asahi Chemical Ind | Proceso para la producción de isocianato |
TWI408120B (zh) * | 2008-05-15 | 2013-09-11 | Asahi Kasei Chemicals Corp | A process for producing isocyanates using diaryl carbonates |
US8058469B2 (en) * | 2008-11-03 | 2011-11-15 | Sabic Innovative Plastics Ip B.V. | Method for making carbamates, ureas and isocyanates |
ES2345028B2 (es) * | 2009-03-10 | 2011-06-06 | Universidad Politecnica De Valencia | Preparacion de carbamatos en "one pot" con catalizadores solidos. |
DE102012100127B4 (de) * | 2012-01-10 | 2017-06-29 | Karlsruher Institut für Technologie | Herstellung von Carbamaten über eine basenkatalysierte Lossen- Umlagerung |
JP5650777B2 (ja) * | 2013-03-11 | 2015-01-07 | 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 |
CN106349110A (zh) * | 2015-07-17 | 2017-01-25 | 大东树脂化学股份有限公司 | 制备脂肪族二异氰酸酯的二步法及一锅化合成法 |
TWI561504B (en) * | 2015-07-17 | 2016-12-11 | Great Eastern Resins Ind Co Ltd | Two-step and one-pot processes for preparation of aliphatic diisocyanates |
WO2018212206A1 (ja) | 2017-05-15 | 2018-11-22 | 旭化成株式会社 | イソシアネートの製造方法 |
CN109384692A (zh) * | 2018-12-12 | 2019-02-26 | 湖南海利常德农药化工有限公司 | 一种残杀威的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1099084A (en) * | 1966-02-08 | 1968-01-17 | Toa Noyaku Kabushiki Kaisha | Derivatives of phenyl n-methylcarbamates |
IT1051034B (it) | 1975-12-03 | 1981-04-21 | Snam Progetti | Procedimento per la preparazione di uretani aromatici |
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 |
CA1130702A (en) | 1979-06-11 | 1982-08-31 | Terence A. Trevor | Sign routing machine |
EP0080584A1 (de) | 1981-11-25 | 1983-06-08 | Rockwell International Corporation | Verfahren zur Handhabung von Zeitungen |
DE3215591A1 (de) * | 1982-04-27 | 1983-10-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern |
IT1164223B (it) * | 1983-05-13 | 1987-04-08 | Anic Spa | Procedimento perfezionato per la produzione di isocianati alchilici |
-
1985
- 1985-02-08 IT IT19453/85A patent/IT1183332B/it active
- 1985-05-02 DE DE8585200685T patent/DE3580749D1/de not_active Expired - Fee Related
- 1985-05-02 KR KR1019850002994A patent/KR870000673B1/ko not_active IP Right Cessation
- 1985-05-02 EP EP85200685A patent/EP0190466B1/de not_active Expired - Lifetime
- 1985-05-02 CA CA000480624A patent/CA1249594A/en not_active Expired
- 1985-05-02 AT AT85200685T patent/ATE58722T1/de not_active IP Right Cessation
- 1985-05-03 IL IL75080A patent/IL75080A/xx unknown
- 1985-05-07 US US06/731,538 patent/US4659845A/en not_active Expired - Lifetime
- 1985-05-07 BR BR8502202A patent/BR8502202A/pt not_active IP Right Cessation
- 1985-05-07 JP JP60095687A patent/JPH0617356B2/ja not_active Expired - Fee Related
- 1985-12-09 ZA ZA859406A patent/ZA859406B/xx unknown
- 1985-12-13 AU AU51215/85A patent/AU580823B2/en not_active Ceased
- 1985-12-20 SU SU853995137A patent/SU1433410A3/ru active
- 1985-12-28 CN CN85109417.1A patent/CN1004353B/zh not_active Expired
- 1985-12-31 MX MX112485D patent/MX168252B/es unknown
Also Published As
Publication number | Publication date |
---|---|
KR870000673B1 (ko) | 1987-04-06 |
IT1183332B (it) | 1987-10-22 |
EP0190466A1 (de) | 1986-08-13 |
EP0190466B1 (de) | 1990-11-28 |
CA1249594A (en) | 1989-01-31 |
KR860006435A (ko) | 1986-09-11 |
IT8519453A0 (it) | 1985-02-08 |
IL75080A0 (en) | 1985-09-29 |
BR8502202A (pt) | 1986-04-15 |
MX168252B (es) | 1993-05-14 |
JPS61183257A (ja) | 1986-08-15 |
US4659845A (en) | 1987-04-21 |
ZA859406B (en) | 1986-08-27 |
CN85109417A (zh) | 1986-12-03 |
AU580823B2 (en) | 1989-02-02 |
CN1004353B (zh) | 1989-05-31 |
ATE58722T1 (de) | 1990-12-15 |
JPH0617356B2 (ja) | 1994-03-09 |
SU1433410A3 (ru) | 1988-10-23 |
AU5121585A (en) | 1986-08-14 |
IL75080A (en) | 1989-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |