NL141166B - PROCESS FOR PREPARING BENZENE, TOLUENE AND POLYMETHYL LENSES. - Google Patents

PROCESS FOR PREPARING BENZENE, TOLUENE AND POLYMETHYL LENSES.

Info

Publication number
NL141166B
NL141166B NL707011949A NL7011949A NL141166B NL 141166 B NL141166 B NL 141166B NL 707011949 A NL707011949 A NL 707011949A NL 7011949 A NL7011949 A NL 7011949A NL 141166 B NL141166 B NL 141166B
Authority
NL
Netherlands
Prior art keywords
polymethyl
lenses
toluene
preparing benzene
benzene
Prior art date
Application number
NL707011949A
Other languages
Dutch (nl)
Other versions
NL7011949A (en
Original Assignee
Asahi Chemical Ind
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 JP44063852A external-priority patent/JPS5016352B1/ja
Priority claimed from JP44066502A external-priority patent/JPS5022023B1/ja
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Publication of NL7011949A publication Critical patent/NL7011949A/xx
Publication of NL141166B publication Critical patent/NL141166B/en

Links

Classifications

    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22—Halogenating
    • B01J37/26—Fluorinating
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/14—Silica and magnesia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/12—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
    • C07C4/14—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene splitting taking place at an aromatic-aliphatic bond
    • C07C4/18—Catalytic processes
    • 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
    • C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04—Alumina
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL707011949A 1969-08-14 1970-08-13 PROCESS FOR PREPARING BENZENE, TOLUENE AND POLYMETHYL LENSES. NL141166B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP44063852A JPS5016352B1 (en) 1969-08-14 1969-08-14
JP44066502A JPS5022023B1 (en) 1969-08-25 1969-08-25

Publications (2)

Publication Number Publication Date
NL7011949A NL7011949A (en) 1971-02-16
NL141166B true NL141166B (en) 1974-02-15

Family

ID=26404985

Family Applications (1)

Application Number Title Priority Date Filing Date
NL707011949A NL141166B (en) 1969-08-14 1970-08-13 PROCESS FOR PREPARING BENZENE, TOLUENE AND POLYMETHYL LENSES.

Country Status (4)

Country Link
DE (1) DE2040556C3 (en)
FR (1) FR2058263B1 (en)
GB (1) GB1302454A (en)
NL (1) NL141166B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172609B (en) * 1985-03-22 1988-06-29 Coal Ind Improvements in hydrocarbon processing

Also Published As

Publication number Publication date
DE2040556A1 (en) 1971-03-04
GB1302454A (en) 1973-01-10
NL7011949A (en) 1971-02-16
FR2058263B1 (en) 1973-01-12
DE2040556C3 (en) 1973-08-23
FR2058263A1 (en) 1971-05-28
DE2040556B2 (en) 1973-01-18

Similar Documents

Publication Publication Date Title
BE755013A (en) PROCESS FOR THE PHOTOPOLYMERIZATION OF EPOXYMONOMERS,
NL150464B (en) PROCESS FOR POLYMERIZING ALPHA ALKES.
NL149145B (en) METHOD FOR PREPARING ALKES.
NL162353C (en) PROCESS FOR PREPARING AROMATIC HYDROCARBONS.
NL167174C (en) PROCESS FOR PREPARING AMMONIUM POLYACRYLATES
NL168954C (en) PROCESS FOR MANUFACTURING REPRODUCTIONS.
NL151437B (en) PROCESS FOR PREPARING L-LYSINE.
NL158522B (en) Process for preparing segmented thermoplastic copolyester elastomers.
NL145876B (en) PROCESS FOR PREPARING POLYSILOX ANALCOHOLS.
NL167701C (en) PROCESS FOR PREPARING TRIS-HYDROXYMETHYL-PHOSPHENOXIDE.
NL153514B (en) PROCESS FOR PREPARING DL-15-DEOXYPROSTAGLANDIN-E1, PROSTAGLANDINE-E1, D1-11-DEOXYPROSTAGLANDINE-E1 AND DL-11,15-DIDEOXYPROSTAGLANDINE-E1.
NL155527B (en) METHOD FOR PREPARING CYCLODECATRIES-1,5,9.
NL167951C (en) PROCESS FOR PREPARING 7-HYDROXYDIHYDROCITRONELLAL.
NL150147B (en) THERMO-HARDABLE, CARRIER-FREE FOELIE AND PROCESS FOR MANUFACTURING THIS.
NL160832C (en) PROCESS FOR PREPARING N-DEALKYLATED LINCOMYCINES.
NL159947C (en) PROCESS FOR PREPARING 2-METHYL-3-BUTENOL-2.
NL168222C (en) PROCESS FOR PREPARING 1,2-DIG SUBSTITUTED 4-PYRAZOLIDINOLS.
NL151976B (en) PROCESS FOR PREPARING PHENOLS.
NL145528B (en) PROCESS FOR ISOMERIZING XYLENS.
NL141166B (en) PROCESS FOR PREPARING BENZENE, TOLUENE AND POLYMETHYL LENSES.
NL149775B (en) PROCESS FOR PREPARING 3,4-DICHLOORBUTEEN-1.
NL166695C (en) PROCESS FOR PREPARING 17-Alpha-OXYGENATED-20-KETOSTEROIDS.
NL159370B (en) PROCESS FOR PREPARING BIS-URETHANS.
NL170536C (en) PROCESS FOR PREPARING 2,6-DIMETHYLPYRIDINE.
NL160822B (en) PROCEDURE FOR PREPARING 4,5,6,7-TETRA-HYDROCYCLOPENTA-1,3-DIOXIN-4-ONES.

Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: ASAHI