RO71807A - Procedeu de preparare a izoprenului - Google Patents
Procedeu de preparare a izoprenuluiInfo
- Publication number
- RO71807A RO71807A RO7480037A RO8003774A RO71807A RO 71807 A RO71807 A RO 71807A RO 7480037 A RO7480037 A RO 7480037A RO 8003774 A RO8003774 A RO 8003774A RO 71807 A RO71807 A RO 71807A
- Authority
- RO
- Romania
- Prior art keywords
- izoprene
- preparing
- procedure
- preparing izoprene
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/12—Alkadienes
- C07C11/173—Alkadienes with five carbon atoms
- C07C11/18—Isoprene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/04—1,3-Dioxanes; Hydrogenated 1,3-dioxanes
- C07D319/06—1,3-Dioxanes; Hydrogenated 1,3-dioxanes not condensed with other rings
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 |
|---|---|---|---|
| DE19732347841 DE2347841C3 (de) | 1973-09-22 | Verfahren zur Herstellung von Isopren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO71807A true RO71807A (ro) | 1982-02-26 |
Family
ID=5893395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7480037A RO71807A (ro) | 1973-09-22 | 1974-09-21 | Procedeu de preparare a izoprenului |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3972955A (ro) |
| JP (1) | JPS5315483B2 (ro) |
| BE (1) | BE820149A (ro) |
| BR (1) | BR7407860D0 (ro) |
| CA (1) | CA1031377A (ro) |
| CS (1) | CS178178B2 (ro) |
| DD (1) | DD113520A5 (ro) |
| DK (1) | DK497174A (ro) |
| ES (1) | ES430284A1 (ro) |
| FR (1) | FR2244738B1 (ro) |
| GB (1) | GB1433715A (ro) |
| IE (1) | IE39855B1 (ro) |
| IT (1) | IT1019340B (ro) |
| LU (1) | LU70954A1 (ro) |
| NL (1) | NL156383B (ro) |
| RO (1) | RO71807A (ro) |
| ZA (1) | ZA745973B (ro) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4232182A (en) * | 1977-11-21 | 1980-11-04 | Liakumovich Alexandr G | Process for purifying isoprene |
| FR2490642A1 (fr) * | 1980-09-19 | 1982-03-26 | Gankin Viktor | Procede de preparation de 4,4-dimethyl-dioxane-1,3 et produits prepares par ledit procede |
| JPS5850322U (ja) * | 1981-09-30 | 1983-04-05 | 日信工業株式会社 | 車両用デイスクブレ−キ装置のパツドスプリング |
| EP1614671B1 (en) * | 2003-03-31 | 2015-08-19 | Kuraray Co., Ltd. | Process for producing isoprene |
| US20060045854A1 (en) | 2004-08-27 | 2006-03-02 | Lynette Zaidel | Oral care composition with cross-linked polymer peroxide |
| CN101970387A (zh) * | 2007-12-21 | 2011-02-09 | 优乐庆·史波柏·贸易有限公司 | 源自异丁烯和甲醛的异戊二烯液相合成装置 |
| CN100586942C (zh) * | 2008-01-04 | 2010-02-03 | 万华实业集团有限公司 | 一种二噁烷的制备方法 |
| CN102131935B (zh) * | 2008-06-30 | 2013-11-13 | 固特异轮胎和橡胶公司 | 来自可再生资源的异戊二烯的聚合物 |
| TW201120213A (en) * | 2009-06-17 | 2011-06-16 | Danisco Us Inc | Polymerization of isoprene from renewable resources |
| BR112012014736B1 (pt) | 2009-12-18 | 2018-09-18 | Danisco Us Inc | método para purificação de isopreno a partir de um efluente gasoso do fermentador e composição |
| BR112013006471A2 (pt) | 2010-09-24 | 2016-07-26 | Total Res & Technology Feluy | produção de isopreno a partir de isobutanol |
| CN103814004A (zh) * | 2011-08-17 | 2014-05-21 | 史波柏·优乐庆有限公司 | 从异丁烯和甲醛合成异戊二烯的液相合成装置 |
| EP3040325A1 (en) | 2014-12-31 | 2016-07-06 | Shell Internationale Research Maatschappij B.V. | Process for preparing ethylene, propylene and isoprene |
| CN105130741B (zh) * | 2015-10-13 | 2017-01-04 | 宁波金海晨光化学股份有限公司 | 一种反应精馏制备异戊二烯的方法 |
| RU2768818C1 (ru) * | 2021-03-16 | 2022-03-24 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный университет" | Применение пористого полиариленфталида для увеличения селективности при получении 4,4-диметил-1,3-диоксана |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB879728A (en) * | 1958-09-29 | 1961-10-11 | Inst Francais Du Petrole | Process for the manufacture of isoprene from 4.4-dimethylmetadioxane |
| AU451791B2 (en) * | 1970-09-09 | 1974-08-15 | Bayer Aktiengesellschaft | A process forthe preparation of isoprene from isobutene and formaldehyde |
-
1974
- 1974-09-13 US US05/505,894 patent/US3972955A/en not_active Expired - Lifetime
- 1974-09-18 GB GB4064274A patent/GB1433715A/en not_active Expired
- 1974-09-19 NL NL7412420.A patent/NL156383B/xx unknown
- 1974-09-20 DK DK497174A patent/DK497174A/da unknown
- 1974-09-20 LU LU70954A patent/LU70954A1/xx unknown
- 1974-09-20 CA CA209,715A patent/CA1031377A/en not_active Expired
- 1974-09-20 FR FR7431873A patent/FR2244738B1/fr not_active Expired
- 1974-09-20 BE BE148731A patent/BE820149A/xx unknown
- 1974-09-20 DD DD181234A patent/DD113520A5/xx unknown
- 1974-09-20 IE IE1945/74A patent/IE39855B1/xx unknown
- 1974-09-20 JP JP10785674A patent/JPS5315483B2/ja not_active Expired
- 1974-09-20 CS CS6499A patent/CS178178B2/cs unknown
- 1974-09-20 ZA ZA00745973A patent/ZA745973B/xx unknown
- 1974-09-20 IT IT53115/74A patent/IT1019340B/it active
- 1974-09-20 BR BR7860/74A patent/BR7407860D0/pt unknown
- 1974-09-21 ES ES430284A patent/ES430284A1/es not_active Expired
- 1974-09-21 RO RO7480037A patent/RO71807A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE39855L (en) | 1975-03-22 |
| IE39855B1 (en) | 1979-01-17 |
| DE2347841B2 (de) | 1976-12-23 |
| DK497174A (ro) | 1975-05-26 |
| NL156383B (nl) | 1978-04-17 |
| CS178178B2 (ro) | 1977-08-31 |
| FR2244738B1 (ro) | 1979-02-16 |
| DD113520A5 (ro) | 1975-06-12 |
| LU70954A1 (ro) | 1975-05-28 |
| BE820149A (fr) | 1975-03-20 |
| CA1031377A (en) | 1978-05-16 |
| NL7412420A (nl) | 1975-03-25 |
| US3972955A (en) | 1976-08-03 |
| AU7350174A (en) | 1976-03-25 |
| ES430284A1 (es) | 1976-12-16 |
| JPS5062905A (ro) | 1975-05-29 |
| IT1019340B (it) | 1977-11-10 |
| ZA745973B (en) | 1975-11-26 |
| GB1433715A (en) | 1976-04-28 |
| FR2244738A1 (ro) | 1975-04-18 |
| JPS5315483B2 (ro) | 1978-05-25 |
| DE2347841A1 (de) | 1975-04-10 |
| BR7407860D0 (pt) | 1975-07-29 |
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