FR2244738A1 - - Google Patents

Info

Publication number
FR2244738A1
FR2244738A1 FR7431873A FR7431873A FR2244738A1 FR 2244738 A1 FR2244738 A1 FR 2244738A1 FR 7431873 A FR7431873 A FR 7431873A FR 7431873 A FR7431873 A FR 7431873A FR 2244738 A1 FR2244738 A1 FR 2244738A1
Authority
FR
France
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.)
Granted
Application number
FR7431873A
Other languages
French (fr)
Other versions
FR2244738B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19732347841 external-priority patent/DE2347841C3/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2244738A1 publication Critical patent/FR2244738A1/fr
Application granted granted Critical
Publication of FR2244738B1 publication Critical patent/FR2244738B1/fr
Expired legal-status Critical Current

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)
FR7431873A 1973-09-22 1974-09-20 Expired FR2244738B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732347841 DE2347841C3 (de) 1973-09-22 Verfahren zur Herstellung von Isopren

Publications (2)

Publication Number Publication Date
FR2244738A1 true FR2244738A1 (enExample) 1975-04-18
FR2244738B1 FR2244738B1 (enExample) 1979-02-16

Family

ID=5893395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431873A Expired FR2244738B1 (enExample) 1973-09-22 1974-09-20

Country Status (17)

Country Link
US (1) US3972955A (enExample)
JP (1) JPS5315483B2 (enExample)
BE (1) BE820149A (enExample)
BR (1) BR7407860D0 (enExample)
CA (1) CA1031377A (enExample)
CS (1) CS178178B2 (enExample)
DD (1) DD113520A5 (enExample)
DK (1) DK497174A (enExample)
ES (1) ES430284A1 (enExample)
FR (1) FR2244738B1 (enExample)
GB (1) GB1433715A (enExample)
IE (1) IE39855B1 (enExample)
IT (1) IT1019340B (enExample)
LU (1) LU70954A1 (enExample)
NL (1) NL156383B (enExample)
RO (1) RO71807A (enExample)
ZA (1) ZA745973B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1614671B1 (en) * 2003-03-31 2015-08-19 Kuraray Co., Ltd. Process for producing isoprene

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232182A (en) * 1977-11-21 1980-11-04 Liakumovich Alexandr G Process for purifying isoprene
RU2255928C1 (ru) * 2004-02-25 2005-07-10 Воробьёв Олег Леонидович Способ получения изопрена
RU2255929C1 (ru) * 2004-02-25 2005-07-10 Воробьёв Олег Леонидович Способ получения изопрена
US20060045854A1 (en) 2004-08-27 2006-03-02 Lynette Zaidel Oral care composition with cross-linked polymer peroxide
WO2009082260A1 (en) * 2007-12-21 2009-07-02 Obshestvo O Ogranichennoi Otvetstvennoctiu 'eurochim Spb-Treiding' Plant for the liquid phase synthesis of isoprene from isobutylene and formaldehyde
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
KR20110038087A (ko) 2008-06-30 2011-04-13 더 굿이어 타이어 앤드 러버 캄파니 재생가능 자원으로부터의 이소프렌 중합체
TW201120213A (en) * 2009-06-17 2011-06-16 Danisco Us Inc Polymerization of isoprene from renewable resources
EP2513021A2 (en) 2009-12-18 2012-10-24 Danisco US Inc. Purification of isoprene from renewable resources
RU2436759C1 (ru) * 2010-07-01 2011-12-20 Общество с ограниченной ответственностью "Тольяттикаучук" Способ выделения органических продуктов из водного слоя, образующегося при синтезе диметилдиоксана в производстве изопрена из изобутилена и формальдегида
BR112013006471A2 (pt) 2010-09-24 2016-07-26 Total Res & Technology Feluy produção de isopreno a partir de isobutanol
WO2013025122A1 (ru) * 2011-08-17 2013-02-21 Общество С Ограниченной Ответственностью "Научно- Производственное Объединение Еврохим" Установка жидкофазного синтеза изопрена из изобутилена и формальдегида
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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1614671B1 (en) * 2003-03-31 2015-08-19 Kuraray Co., Ltd. Process for producing isoprene

Also Published As

Publication number Publication date
NL7412420A (nl) 1975-03-25
BR7407860D0 (pt) 1975-07-29
CS178178B2 (enExample) 1977-08-31
NL156383B (nl) 1978-04-17
DE2347841B2 (de) 1976-12-23
IE39855B1 (en) 1979-01-17
GB1433715A (en) 1976-04-28
RO71807A (ro) 1982-02-26
DE2347841A1 (de) 1975-04-10
IT1019340B (it) 1977-11-10
FR2244738B1 (enExample) 1979-02-16
DD113520A5 (enExample) 1975-06-12
AU7350174A (en) 1976-03-25
DK497174A (enExample) 1975-05-26
BE820149A (fr) 1975-03-20
ES430284A1 (es) 1976-12-16
IE39855L (en) 1975-03-22
US3972955A (en) 1976-08-03
JPS5315483B2 (enExample) 1978-05-25
ZA745973B (en) 1975-11-26
CA1031377A (en) 1978-05-16
JPS5062905A (enExample) 1975-05-29
LU70954A1 (enExample) 1975-05-28

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Legal Events

Date Code Title Description
ST Notification of lapse