JPS4017381B1 - - Google Patents
Info
- Publication number
- JPS4017381B1 JPS4017381B1 JP4667663A JP4667663A JPS4017381B1 JP S4017381 B1 JPS4017381 B1 JP S4017381B1 JP 4667663 A JP4667663 A JP 4667663A JP 4667663 A JP4667663 A JP 4667663A JP S4017381 B1 JPS4017381 B1 JP S4017381B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22190762 US3234253A (en) | 1962-09-06 | 1962-09-06 | Two-stage phosgenation process for preparing aromatic isocyanates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4017381B1 true JPS4017381B1 (OSRAM) | 1965-08-06 |
Family
ID=22829921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4667663A Pending JPS4017381B1 (OSRAM) | 1962-09-06 | 1963-09-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3234253A (OSRAM) |
| JP (1) | JPS4017381B1 (OSRAM) |
| FR (1) | FR1368031A (OSRAM) |
| GB (1) | GB978917A (OSRAM) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4096165A (en) * | 1976-11-01 | 1978-06-20 | Allied Chemical Corporation | Method of manufacturing aromatic isocyanates |
| JPS5470220A (en) * | 1977-11-11 | 1979-06-05 | Mitsui Toatsu Chem Inc | Preparation of organic isocyanate |
| US4422976A (en) * | 1981-04-07 | 1983-12-27 | Mitsui Toatsu Chemicals, Incorporated | Continuous preparation of organic isocyanates |
| KR970001071B1 (ko) * | 1992-06-23 | 1997-01-25 | 미쓰이도오아쓰가가꾸 가부시끼가이샤 | 메틸렌 가교 폴리페닐렌 폴리이소시아네이트의 제조방법 |
| US5453536A (en) * | 1994-03-10 | 1995-09-26 | The Dow Chemical Company | Polycarbamates, process for preparing polycarbamates, and process for preparing polyisocyanates |
| DE10261187A1 (de) * | 2002-12-20 | 2004-07-08 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
| US20070232827A1 (en) * | 2004-05-25 | 2007-10-04 | Basf Aktiengesellschaft | Isocyanate Production Method |
| CN103764626A (zh) | 2011-09-02 | 2014-04-30 | 巴斯夫欧洲公司 | 制备异氰酸酯的方法 |
| EP3683205B1 (en) | 2017-09-11 | 2022-10-05 | Hanwha Solutions Corporation | Method for preparing aliphatic isocyanate |
| CN107935889B (zh) * | 2017-11-29 | 2020-08-28 | 万华化学集团股份有限公司 | 一种单异氰酸酯的制备方法及装置 |
| US10626084B2 (en) * | 2018-08-03 | 2020-04-21 | Covestro Llc | Method for producing two isocyanates |
| CN117736114B (zh) * | 2023-11-28 | 2025-12-16 | 宁夏瑞泰科技股份有限公司 | 成盐光气法合成异氰酸酯的连续化生产方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2908703A (en) * | 1955-08-16 | 1959-10-13 | Harold K Latourette | Preparation of aromatic isocyanates |
-
1962
- 1962-09-06 US US22190762 patent/US3234253A/en not_active Expired - Lifetime
-
1963
- 1963-09-04 FR FR946526A patent/FR1368031A/fr not_active Expired
- 1963-09-04 GB GB35011/63A patent/GB978917A/en not_active Expired
- 1963-09-05 JP JP4667663A patent/JPS4017381B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB978917A (en) | 1965-01-01 |
| FR1368031A (fr) | 1964-07-24 |
| US3234253A (en) | 1966-02-08 |