GB884809A - Process for the manufacture of isoprene from 4.4-dimethylmetadioxane - Google Patents

Process for the manufacture of isoprene from 4.4-dimethylmetadioxane

Info

Publication number
GB884809A
GB884809A GB32763/59A GB3276359A GB884809A GB 884809 A GB884809 A GB 884809A GB 32763/59 A GB32763/59 A GB 32763/59A GB 3276359 A GB3276359 A GB 3276359A GB 884809 A GB884809 A GB 884809A
Authority
GB
United Kingdom
Prior art keywords
catalyst
reimpregnation
time
isobutene
dimethylmetadioxane
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
Application number
GB32763/59A
Other languages
English (en)
Inventor
Michel Hellin
Fernand Coussemant
Daniel Lumbroso
Jean-Pierre Servaud
Marcel Alexandre
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Publication of GB884809A publication Critical patent/GB884809A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • C07C1/247—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms by splitting of cyclic ethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • C07C2521/08—Silica
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/14—Phosphorus; Compounds thereof
    • C07C2527/16—Phosphorus; Compounds thereof containing oxygen
    • C07C2527/167—Phosphates or other compounds comprising the anion (PnO3n+1)(n+2)-
    • C07C2527/173—Phosphoric acid or other acids with the formula Hn+2PnO3n+1
    • 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
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
GB32763/59A 1958-09-29 1959-09-25 Process for the manufacture of isoprene from 4.4-dimethylmetadioxane Expired GB884809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR884809X 1958-09-29

Publications (1)

Publication Number Publication Date
GB884809A true GB884809A (en) 1961-12-20

Family

ID=9375147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32763/59A Expired GB884809A (en) 1958-09-29 1959-09-25 Process for the manufacture of isoprene from 4.4-dimethylmetadioxane

Country Status (5)

Country Link
US (1) US3060239A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE583099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1144715B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB884809A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL106612C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB882923A (en) * 1959-10-06 1961-11-22 British Hydrocarbon Chem Ltd Production of conjugated diolefines
US3221075A (en) * 1961-10-27 1965-11-30 Kurashiki Rayon Co Method of producing conjugated diolefins
DE1271106B (de) * 1963-10-05 1968-06-27 Vnii Syntetitscheskowo Kautsch Verfahren zur Herstellung von Dienkohlenwasserstoffen durch katalytische Spaltung von 1, 3-Dioxanen
US3284534A (en) * 1964-11-13 1966-11-08 Kurashiki Rayon Co Process for preparation of conjugated diolefines
JPS5541215B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-03-08 1980-10-22

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1841055A (en) * 1927-12-02 1932-01-12 Ig Farbenindustrie Ag Production of unsaturated hydrocarbons
US2241777A (en) * 1938-08-17 1941-05-13 Gen Aniline & Film Corp Production of aliphatic branchedchain hydrocarbons of the diolefin series
DE741152C (de) * 1938-08-18 1943-11-05 Ig Farbenindustrie Ag Verfahren zur Herstellung von 1,3-Diolefinen mit verzweigter Kette
US2218640A (en) * 1938-12-07 1940-10-22 Gen Aniline & Film Corp Production of aliphatic hydrocarbons of the diolefin series
US2361539A (en) * 1940-02-21 1944-10-31 Friedrichsen Wilhelm Method of producing diolefins

Also Published As

Publication number Publication date
US3060239A (en) 1962-10-23
BE583099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1900-01-01
DE1144715B (de) 1963-03-07
NL106612C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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