BR8300467A - COMPOSITION, HYDROCARBON REFORM METHOD, ACYCLIC HYDROCYCLIC METHOD METHOD, ALKYL CYCLOPENTANE DEHYDROISOMERIZATION METHOD, TOLUENT DEALCHALATION METHOD AND FORMATION METHOD - Google Patents

COMPOSITION, HYDROCARBON REFORM METHOD, ACYCLIC HYDROCYCLIC METHOD METHOD, ALKYL CYCLOPENTANE DEHYDROISOMERIZATION METHOD, TOLUENT DEALCHALATION METHOD AND FORMATION METHOD

Info

Publication number
BR8300467A
BR8300467A BR8300467A BR8300467A BR8300467A BR 8300467 A BR8300467 A BR 8300467A BR 8300467 A BR8300467 A BR 8300467A BR 8300467 A BR8300467 A BR 8300467A BR 8300467 A BR8300467 A BR 8300467A
Authority
BR
Brazil
Prior art keywords
dealchalation
toluent
hydrocyclic
acyclic
composition
Prior art date
Application number
BR8300467A
Other languages
Portuguese (pt)
Inventor
Waldeen C Buss
Thomas R Hughes
Original Assignee
Chevron Res
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 US06/344,571 external-priority patent/US4447316A/en
Priority claimed from US06/392,907 external-priority patent/US4645588A/en
Priority claimed from US06/405,837 external-priority patent/US4634518A/en
Priority claimed from US06/420,541 external-priority patent/US4434311A/en
Application filed by Chevron Res filed Critical Chevron Res
Publication of BR8300467A publication Critical patent/BR8300467A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G35/00Reforming naphtha
    • C10G35/04Catalytic reforming
    • C10G35/06Catalytic reforming characterised by the catalyst used
    • C10G35/095Catalytic reforming characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
    • B01J29/605Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
    • B01J29/61Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing iron group metals, noble metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
    • B01J29/61Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing iron group metals, noble metals or copper
    • B01J29/62Noble metals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/12Preparation 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
    • C07C4/14Preparation 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
    • C07C4/18Catalytic processes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/373Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation
    • C07C5/387Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation of cyclic compounds containing non six-membered ring to compounds containing a six-membered aromatic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/373Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation
    • C07C5/393Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation with cyclisation to an aromatic six-membered ring, e.g. dehydrogenation of n-hexane to benzene
    • C07C5/41Catalytic processes
    • C07C5/415Catalytic processes with metals
    • C07C5/417Catalytic processes with metals of the platinum group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/26After treatment, characterised by the effect to be obtained to stabilize the total catalyst structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30After treatment, characterised by the means used
    • B01J2229/42Addition of matrix or binder particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/02Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/42Platinum
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00Catalysts comprising molecular sieves
    • C07C2529/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L
    • C07C2529/61Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L containing iron group metals, noble metals or copper
    • C07C2529/62Noble metals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8300467A 1982-02-01 1983-01-31 COMPOSITION, HYDROCARBON REFORM METHOD, ACYCLIC HYDROCYCLIC METHOD METHOD, ALKYL CYCLOPENTANE DEHYDROISOMERIZATION METHOD, TOLUENT DEALCHALATION METHOD AND FORMATION METHOD BR8300467A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US34457082A 1982-02-01 1982-02-01
US06/344,571 US4447316A (en) 1982-02-01 1982-02-01 Composition and a method for its use in dehydrocyclization of alkanes
US06/392,907 US4645588A (en) 1982-02-01 1982-06-28 Reforming with a platinum-barium-zeolite of L family
US06/405,837 US4634518A (en) 1982-02-01 1982-08-06 Platinum-barium-type L zeolite
US06/420,541 US4434311A (en) 1982-02-01 1982-09-20 Conversion of alkycyclopentanes to aromatics
US42279882A 1982-09-24 1982-09-24

Publications (1)

Publication Number Publication Date
BR8300467A true BR8300467A (en) 1983-11-01

Family

ID=27559792

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8300467A BR8300467A (en) 1982-02-01 1983-01-31 COMPOSITION, HYDROCARBON REFORM METHOD, ACYCLIC HYDROCYCLIC METHOD METHOD, ALKYL CYCLOPENTANE DEHYDROISOMERIZATION METHOD, TOLUENT DEALCHALATION METHOD AND FORMATION METHOD

Country Status (16)

Country Link
AU (1) AU559929B2 (en)
BR (1) BR8300467A (en)
CH (1) CH658603A5 (en)
DE (2) DE3303120C2 (en)
DK (1) DK163571C (en)
FI (1) FI830345L (en)
FR (1) FR2520636B1 (en)
GB (1) GB2116450B (en)
IL (1) IL67727A (en)
MX (2) MX166695B (en)
NL (1) NL191730C (en)
NO (1) NO157768C (en)
NZ (1) NZ203006A (en)
SE (1) SE454089B (en)
TR (1) TR23020A (en)
YU (1) YU43649B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648961A (en) * 1982-09-29 1987-03-10 Chevron Research Company Method of producing high aromatic yields through aromatics removal and recycle of remaining material
US4456527A (en) * 1982-10-20 1984-06-26 Chevron Research Company Hydrocarbon conversion process
CA1231699A (en) 1983-11-10 1988-01-19 Samuel J. Tauster Zeolite catalyst and process for using said catalyst
US4595670A (en) * 1983-11-10 1986-06-17 Exxon Research And Engineering Co. Zeolite catalyst
US4925819A (en) * 1983-11-10 1990-05-15 Exxon Research & Engineering Company Method of regenerating a deactivated catalyst
US4595668A (en) * 1983-11-10 1986-06-17 Exxon Research And Engineering Co. Bound zeolite catalyst
US4595669A (en) * 1983-11-10 1986-06-17 Exxon Research And Engineering Co. Method of preparing an improved catalyst
US4552856A (en) * 1983-11-10 1985-11-12 Exxon Research And Engineering Co. Zeolite catalyst and preparation thereof
US4568656A (en) * 1984-12-07 1986-02-04 Exxon Research & Engineering Co. Process for loading platinum into Zeolite-L
DE3687592T2 (en) * 1985-05-14 1993-05-19 Mobil Oil Corp METHOD FOR SYNTHESIS OF ZEOLITHES.
US5242675A (en) * 1985-10-15 1993-09-07 Exxon Research & Engineering Company Zeolite L
US5486498A (en) * 1986-10-14 1996-01-23 Exxon Research & Engineering Company Zeolite L
US4990710A (en) * 1988-06-24 1991-02-05 Mobil Oil Corporation Tin-containing microporous crystalline materials and their use as dehydrogenation, dehydrocyclization and reforming catalysts
US4849567A (en) * 1987-12-28 1989-07-18 Mobil Oil Corporation Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials
US4830729A (en) * 1987-12-28 1989-05-16 Mobil Oil Corporation Dewaxing over crystalline indium silicates containing groups VIII means
US4868145A (en) * 1987-12-28 1989-09-19 Mobil Oil Corporation Dehydrogenation and dehydrocyclization catalyst
GB8801067D0 (en) * 1988-01-19 1988-02-17 Exxon Chemical Patents Inc Zeolite l preparation
US4888105A (en) * 1988-02-16 1989-12-19 Mobil Oil Corporation Process for the dehydrocyclization of acyclic hydrocarbons and catalyst composition therefor
EP0335540B1 (en) * 1988-03-31 1994-08-24 Exxon Chemical Patents Inc. Process for reforming a dimethylbutanefree hydrocarbon fraction
US5192728A (en) * 1988-06-24 1993-03-09 Mobil Oil Corporation Tin-colating microporous crystalline materials and their use as dehydrogenation, dehydrocyclization reforming catalysts
US5124497A (en) * 1989-10-11 1992-06-23 Mobil Oil Corporation Production of mono-substituted alkylaromatics from C8 +N-paraffins
US5122489A (en) * 1990-10-15 1992-06-16 Mobil Oil Corporation Non-acidic dehydrogenation catalyst of enhanced stability
US5147837A (en) * 1990-10-22 1992-09-15 Mobil Oil Corporation Titania containing dehydrogenation catalysts
US5103066A (en) * 1990-12-10 1992-04-07 Mobil Oil Corp. Dehydrogenation of alcohols over non-acidic metal-zeolite catalysts
WO1996040842A1 (en) * 1995-06-07 1996-12-19 Chevron Chemical Company Process for maximizing xylene production
US5879538A (en) * 1997-12-22 1999-03-09 Chevron Chemical Company Zeolite L catalyst in conventional furnace

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1545411A1 (en) * 1951-01-28 1970-01-08 Union Carbide Corp Process for the catalytic conversion of hydrocarbons
NL238183A (en) 1962-08-03
GB1058190A (en) * 1963-06-28 1967-02-08 Mobil Oil Corp Catalytic cracking of hydrocarbons
DE1270212B (en) * 1964-03-26 1968-06-12 Union Oil Co Process for adjusting the aromatic content in hydrocracking processes
US3397137A (en) * 1965-07-16 1968-08-13 Union Carbide Corp Hydrocarbon reforming process and catalyst compositions therefor
FR2323664A1 (en) * 1975-09-10 1977-04-08 Erap PROCESS FOR DEHYDROCYCLIZATION OF ALIPHATIC HYDROCARBONS

Also Published As

Publication number Publication date
NO157768C (en) 1988-05-25
DE3303120C2 (en) 1997-07-24
AU559929B2 (en) 1987-03-26
FR2520636A1 (en) 1983-08-05
GB2116450A (en) 1983-09-28
SE454089B (en) 1988-03-28
NL191730C (en) 1996-05-03
DE3348504C2 (en) 2003-06-26
NZ203006A (en) 1985-08-16
CH658603A5 (en) 1986-11-28
DK163571B (en) 1992-03-16
YU43649B (en) 1989-10-31
MX166695B (en) 1993-01-28
NL191730B (en) 1996-01-02
GB2116450B (en) 1985-06-05
SE8300485D0 (en) 1983-01-31
IL67727A0 (en) 1983-05-15
NL8300356A (en) 1983-09-01
MX9206280A (en) 1994-04-29
FI830345A0 (en) 1983-02-01
GB8302287D0 (en) 1983-03-02
NO830322L (en) 1983-08-02
NO157768B (en) 1988-02-08
IL67727A (en) 1986-10-31
FR2520636B1 (en) 1988-05-13
DK37283A (en) 1983-08-02
TR23020A (en) 1989-01-24
FI830345L (en) 1983-08-02
DK163571C (en) 1992-08-03
AU1037083A (en) 1983-08-11
SE8300485L (en) 1983-08-02
DE3303120A1 (en) 1983-09-01
DK37283D0 (en) 1983-01-31
YU18683A (en) 1986-02-28

Similar Documents

Publication Publication Date Title
BR8300467A (en) COMPOSITION, HYDROCARBON REFORM METHOD, ACYCLIC HYDROCYCLIC METHOD METHOD, ALKYL CYCLOPENTANE DEHYDROISOMERIZATION METHOD, TOLUENT DEALCHALATION METHOD AND FORMATION METHOD
ES519449A0 (en) HYDROCARBON REFORM PROCEDURE
MX153827A (en) WATERPROOFING METHOD FOR MASONRY WALLS
JPS52107008A (en) Selective desulfurization method of cracked naphtha
MX150844A (en) IMPROVED CLOSURE FOR PACKAGING
BR8103792A (en) EMULSION COMPOSITION FOR HARD SURFACE COATING
IT8068438A0 (en) PROCEDURE FOR THE EXTRACTION OF BITUMINOUS OILS
IT1106257B (en) PROCEDURE FOR REGENERATING OR REFINING WASTE HYDROCARBON OILS
IT8120235A0 (en) COMPOSITIONS FORMING GASKETS WITHOUT ASBESTOS.
MX159181A (en) IMPROVED CRUDE OIL COMPOSITION
NO152962C (en) OIL / WATER SEPARATOR.
ES272594Y (en) IMPROVED CLOSURE FOR AUTOMOBILE DOORS
BR8102417A (en) SEAL SET FOR FURNACE ELECTRIC
DE3366941D1 (en) Nitrogen-containing petroleum demulsifier, and its application
DE3581316D1 (en) METHOD FOR IGNITING LIGHTLY INITIAL THYRISTORS.
ES516692A0 (en) IMPROVED DELAYED COKE PROCEDURE.
BR8504028A (en) UPPER HYDROCARBON REFORM
JPS56100897A (en) Hydrocarbon emulsion and method
GB8431341D0 (en) Bituminous/polymer emulsion
MX156881A (en) IMPROVED PROCEDURE FOR EMULSION POLYMERIZATION
ES258433Y (en) SUPERIOR TERMINAL BRIDGE FOR ZIPPER CLOSURES
GB2080327B (en) Oxidation-resistant hydrocarbon oil composition
IT1140411B (en) INSULATING SHEET CONTAINING BITUMEN
MX158451A (en) IMPROVED PROCEDURE FOR THE DEMENTALIZATION OF HYDROCARBON OILS
IT1163502B (en) HYDROCARBON OIL PROSCISSION PROCEDURE

Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 31/01/98