ATE179697T1 - Verfahren zur herstellung von aromatischen urethanen - Google Patents
Verfahren zur herstellung von aromatischen urethanenInfo
- Publication number
- ATE179697T1 ATE179697T1 AT96201784T AT96201784T ATE179697T1 AT E179697 T1 ATE179697 T1 AT E179697T1 AT 96201784 T AT96201784 T AT 96201784T AT 96201784 T AT96201784 T AT 96201784T AT E179697 T1 ATE179697 T1 AT E179697T1
- Authority
- AT
- Austria
- Prior art keywords
- aromatic urethanes
- producing aromatic
- catalyst
- urethanes
- stoichiometric
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 150000003673 urethanes Chemical class 0.000 title 1
- 239000003054 catalyst Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 150000004982 aromatic amines Chemical class 0.000 abstract 1
- -1 aromatic urethanes Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 150000005677 organic carbonates Chemical class 0.000 abstract 1
- GWBUNZLLLLDXMD-UHFFFAOYSA-H tricopper;dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Cu+2].[Cu+2].[Cu+2].[O-]C([O-])=O.[O-]C([O-])=O GWBUNZLLLLDXMD-UHFFFAOYSA-H 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT95MI001446A IT1282023B1 (it) | 1995-07-06 | 1995-07-06 | Procedimento per la produzione di uretani aromatici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE179697T1 true ATE179697T1 (de) | 1999-05-15 |
Family
ID=11371930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT96201784T ATE179697T1 (de) | 1995-07-06 | 1996-06-27 | Verfahren zur herstellung von aromatischen urethanen |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5688988A (de) |
| EP (1) | EP0752414B1 (de) |
| JP (1) | JPH0925262A (de) |
| AT (1) | ATE179697T1 (de) |
| DE (1) | DE69602311T2 (de) |
| DK (1) | DK0752414T3 (de) |
| ES (1) | ES2130744T3 (de) |
| GR (1) | GR3030616T3 (de) |
| IT (1) | IT1282023B1 (de) |
| SI (1) | SI0752414T1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5864863A (en) * | 1996-08-09 | 1999-01-26 | Digital Equipment Corporation | Method for parsing, indexing and searching world-wide-web pages |
| US5933821A (en) * | 1996-08-30 | 1999-08-03 | Kokusai Denshin Denwa Co., Ltd | Method and apparatus for detecting causality |
| IT1318395B1 (it) * | 2000-03-17 | 2003-08-25 | Enichem Spa | Processo in continuo per la sintesi di uretani aromatici. |
| EP2036884A1 (de) | 2007-09-14 | 2009-03-18 | Repsol Ypf S.A. | Verfahren zur Herstellung fluorierter Isocyanate und Carbamate |
| US8895774B2 (en) * | 2008-05-15 | 2014-11-25 | Asahi Kasei Chemicals Corporation | Process for producing isocyanates using diaryl carbonate |
| KR20130127550A (ko) * | 2008-05-15 | 2013-11-22 | 아사히 가세이 케미칼즈 가부시키가이샤 | 이소시아네이트의 제조 방법 |
| ES2331505B2 (es) | 2008-07-04 | 2010-09-20 | Universidad Politecnica De Valencia | Preparacion de carbamatos con catalizadores solidos. |
| EP2199278B1 (de) * | 2008-12-19 | 2011-09-14 | Dow Global Technologies LLC | Verfahren zur Herstellung von aromatischen Urethanen |
| EP2230228A1 (de) * | 2009-03-16 | 2010-09-22 | Bayer MaterialScience AG | Verfahren zur Herstellung von aromatischen Carbamaten |
| CN112479931A (zh) * | 2020-12-09 | 2021-03-12 | 安徽广信农化股份有限公司 | 一种环己酯的合成工艺 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763217A (en) * | 1970-12-03 | 1973-10-02 | Halcon International Inc | Preparation of carbamates |
| US4268684A (en) * | 1980-02-25 | 1981-05-19 | The Dow Chemical Company | Preparation of carbamates from aromatic amines and organic carbonates |
| 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 |
| DE4113156A1 (de) * | 1991-04-23 | 1993-01-14 | Bayer Ag | Verfahren zur herstellung von poly(o-alkylurethanen) der diphenylmethanreihe |
-
1995
- 1995-07-06 IT IT95MI001446A patent/IT1282023B1/it active IP Right Grant
-
1996
- 1996-06-27 SI SI9630071T patent/SI0752414T1/xx not_active IP Right Cessation
- 1996-06-27 US US08/671,179 patent/US5688988A/en not_active Expired - Fee Related
- 1996-06-27 ES ES96201784T patent/ES2130744T3/es not_active Expired - Lifetime
- 1996-06-27 DK DK96201784T patent/DK0752414T3/da active
- 1996-06-27 AT AT96201784T patent/ATE179697T1/de not_active IP Right Cessation
- 1996-06-27 EP EP96201784A patent/EP0752414B1/de not_active Expired - Lifetime
- 1996-06-27 DE DE69602311T patent/DE69602311T2/de not_active Expired - Fee Related
- 1996-07-08 JP JP8178145A patent/JPH0925262A/ja not_active Withdrawn
-
1999
- 1999-06-29 GR GR990401701T patent/GR3030616T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SI0752414T1 (en) | 1999-08-31 |
| DE69602311D1 (de) | 1999-06-10 |
| EP0752414B1 (de) | 1999-05-06 |
| EP0752414A1 (de) | 1997-01-08 |
| IT1282023B1 (it) | 1998-03-06 |
| ITMI951446A1 (it) | 1997-01-06 |
| US5688988A (en) | 1997-11-18 |
| ES2130744T3 (es) | 1999-07-01 |
| DK0752414T3 (da) | 1999-11-01 |
| ITMI951446A0 (it) | 1995-07-06 |
| GR3030616T3 (en) | 1999-10-29 |
| DE69602311T2 (de) | 1999-12-30 |
| JPH0925262A (ja) | 1997-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |