BR7504681A - Aperfeicoamento em processo para a oxidacao de olefinas - Google Patents

Aperfeicoamento em processo para a oxidacao de olefinas

Info

Publication number
BR7504681A
BR7504681A BR7504681*A BR7504681A BR7504681A BR 7504681 A BR7504681 A BR 7504681A BR 7504681 A BR7504681 A BR 7504681A BR 7504681 A BR7504681 A BR 7504681A
Authority
BR
Brazil
Prior art keywords
processing
olefin oxidation
olefin
oxidation
Prior art date
Application number
BR7504681*A
Other languages
English (en)
Inventor
R Grasselli
D Suresh
H Hardman
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of BR7504681A publication Critical patent/BR7504681A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85Chromium, molybdenum or tungsten
    • B01J23/88Molybdenum
    • B01J23/887Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8873Zinc, cadmium or mercury
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85Chromium, molybdenum or tungsten
    • B01J23/88Molybdenum
    • B01J23/887Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8872Alkali or alkaline earth metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85Chromium, molybdenum or tungsten
    • B01J23/88Molybdenum
    • B01J23/887Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8875Germanium, 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
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85Chromium, molybdenum or tungsten
    • B01J23/88Molybdenum
    • B01J23/887Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8876Arsenic, antimony or bismuth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8993Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/186Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • B01J27/19Molybdenum
    • B01J27/192Molybdenum with bismuth
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00Constitutive chemical elements of heterogeneous catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BR7504681*A 1974-07-22 1975-07-22 Aperfeicoamento em processo para a oxidacao de olefinas BR7504681A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/490,428 US4001317A (en) 1974-07-22 1974-07-22 Process for the oxidation of olefins using catalysts containing various promoter elements
US49457474A 1974-08-05 1974-08-05

Publications (1)

Publication Number Publication Date
BR7504681A true BR7504681A (pt) 1976-07-06

Family

ID=27050051

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7504681*A BR7504681A (pt) 1974-07-22 1975-07-22 Aperfeicoamento em processo para a oxidacao de olefinas

Country Status (15)

Country Link
US (1) US4001317A (pt)
BE (1) BE831438A (pt)
BG (1) BG31644A3 (pt)
BR (1) BR7504681A (pt)
CA (1) CA1075709A (pt)
CH (1) CH619440A5 (pt)
DD (1) DD118600A5 (pt)
DE (1) DE2531513A1 (pt)
ES (1) ES439572A1 (pt)
FR (1) FR2279706A1 (pt)
GB (1) GB1523141A (pt)
IN (1) IN144975B (pt)
IT (1) IT1039952B (pt)
NL (1) NL7508593A (pt)
NO (1) NO752571L (pt)

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US4380664A (en) * 1973-06-11 1983-04-19 Mitsubishi Rayon Company, Ltd. Process for producing unsaturated aldehydes, and unsaturated fatty acids
US4111984A (en) * 1973-06-11 1978-09-05 Mitsubishi Rayon Co., Ltd. Process for producing unsaturated aldehydes, and unsaturated fatty acids
US4162234A (en) * 1974-07-22 1979-07-24 The Standard Oil Company Oxidation catalysts
GB1523772A (en) * 1974-07-22 1978-09-06 Standard Oil Co Oxidation catalysts
US4778930A (en) * 1974-08-05 1988-10-18 The Standard Oil Company Process for the oxidation of olefins using catalysts contaning antimony
US4397771A (en) * 1975-01-13 1983-08-09 The Standard Oil Co. Oxidation catalysts
GB1490683A (en) * 1975-03-12 1977-11-02 Mitsubishi Rayon Co Process and a catalyst for producing unsaturated aldehydes unsaturated carboxylic acids or conjugated diene
US4168246A (en) * 1975-11-28 1979-09-18 Monsanto Company Production of (amm)oxidation catalyst
US4335264A (en) * 1976-07-07 1982-06-15 E. I. Du Pont De Nemours And Company High yield, low byproduct α, β-unsaturated aldehydes from olefins
IL55073A (en) * 1977-07-28 1982-01-31 Standard Oil Co Catalysts for the oxidation and ammoxidation of olefins
US4556731A (en) * 1977-07-28 1985-12-03 The Standard Oil Company Process for the oxidation of olefins using catalysts containing various promoter elements
CA1133505A (en) * 1977-07-28 1982-10-12 Andrew T. Guttmann Process for the oxidation of olefins
US4167494A (en) * 1977-08-21 1979-09-11 The Standard Oil Company Production of unsaturated nitriles using catalysts containing boron, gallium or indium
US4217309A (en) * 1978-06-12 1980-08-12 Ube Industries, Ltd. Process for producing methacrolein
US4224187A (en) * 1978-11-13 1980-09-23 Celanese Corporation Olefin oxidation catalyst and process for its preparation
US4267386A (en) * 1978-11-13 1981-05-12 Celanese Corporation Olefin oxidation catalyst
US4332971A (en) * 1979-08-09 1982-06-01 Celanese Corporation Process for the oxidation of olefinically unsaturated hydrocarbons to aldehydes using attrition resistant catalysts
US4248803A (en) * 1979-09-19 1981-02-03 Celanese Corporation Olefin oxidation catalyst
US4358622A (en) * 1979-10-12 1982-11-09 Rohm And Haas Company Preparation of methacrolein and methacrylonitrile from tert-butyl alkanoates
USRE30545E (en) * 1979-10-18 1981-03-10 Halcon Research And Development Corporation Catalyst
JPS5867349A (ja) * 1981-10-20 1983-04-21 Asahi Chem Ind Co Ltd 触媒組成物
JPS5872550A (ja) * 1981-10-26 1983-04-30 Asahi Chem Ind Co Ltd メタクリロニトリルの製造方法
NL190271C (nl) * 1982-02-11 1994-01-03 Standard Oil Co Ohio Werkwijze ter bereiding van een complexe oxidekatalysator.
JPS5946132A (ja) * 1982-09-06 1984-03-15 Nippon Shokubai Kagaku Kogyo Co Ltd メタクロレイン合成用触媒
US4433186A (en) * 1982-12-15 1984-02-21 Mobil Oil Corporation Catalysts for para-ethyltoluene dehydrogenation
US4404123A (en) * 1982-12-15 1983-09-13 Mobil Oil Corporation Catalysts for para-ethyltoluene dehydrogenation
US4484017A (en) * 1983-08-01 1984-11-20 Phillips Petroleum Company Olefin aromatization process
US4526629A (en) * 1984-05-15 1985-07-02 International Business Machines Corporation Catalytic oxidation of solid materials
JPS6122040A (ja) * 1984-07-10 1986-01-30 Mitsubishi Rayon Co Ltd メタクロレイン及びメタクリル酸の製造法
US4639431A (en) * 1985-07-11 1987-01-27 Exxon Research And Engineering Company Catalysts in Fischer-Tropsch process for producing olefins
US4657885A (en) * 1985-07-11 1987-04-14 Exxon Research And Engineering Company Cerium promoted Fischer-Tropsch catalysts
US4783545A (en) * 1985-12-20 1988-11-08 The Standard Oil Company Method for ammoxidation of paraffins and catalyst system therefor
US4788173A (en) * 1985-12-20 1988-11-29 The Standard Oil Company Catalytic mixtures for ammoxidation of paraffins
US4837233A (en) * 1986-07-21 1989-06-06 The Standard Oil Company Catalyst system for ammoxidation of paraffins
DE3867249D1 (de) * 1987-02-17 1992-02-13 Nippon Catalytic Chem Ind Katalysator zur oxydation von olefin oder tertiaerem alkohol und verfahren zu seiner herstellung.
US5196578A (en) * 1987-10-09 1993-03-23 Mitsui Toatsu Chemicals, Incorporated Purification process of methacrylic acid
KR950006522B1 (ko) * 1989-12-06 1995-06-16 가부시끼가이샤 닛뽕쇼꾸바이 메타크롤레인 및 메타크릴산의 제조방법
BE1005723A5 (fr) * 1992-03-25 1993-12-28 Univ Catholique Louvain Systeme catalytique pour l'oxydation selective de compose organique et procede de preparation d'un tel systeme.
US5688739A (en) * 1995-05-01 1997-11-18 The Standard Oil Company Ammoxidation catalysts containing germanium to produce high yields of acrylonitrile
DE19519008A1 (de) * 1995-05-24 1996-11-28 Hoechst Ag Neue ruthenium- und selen- oder schwefelhaltige Metalloxidkatalysatoren sowie ein Verfahren zu ihrer Herstellung und ihre Verwendung
US5770757A (en) * 1995-06-05 1998-06-23 The Standard Oil Company Ammoxidation catalysts containing germanium to produce high yields of acrylonitrile
US6518218B1 (en) * 1999-03-31 2003-02-11 General Electric Company Catalyst system for producing carbon fibrils
KR100569632B1 (ko) 1999-05-13 2006-04-10 가부시키가이샤 닛폰 쇼쿠바이 불포화 알데히드 및 불포화 카르복실산을 제조하기 위한촉매 및 이 촉매를 사용하여 불포화 알데히드 및 불포화카르복실산을 제조하기 위한 방법
AU2002354236A1 (en) * 2001-12-21 2003-07-09 Asahi Kasei Chemicals Corporation Oxide catalyst composition
US7649111B2 (en) * 2005-07-25 2010-01-19 Saudi Basic Industries Corporation Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same
US7649112B2 (en) * 2005-07-25 2010-01-19 Saudi Basic Industries Corporation Integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon
US7732367B2 (en) * 2005-07-25 2010-06-08 Saudi Basic Industries Corporation Catalyst for methacrolein oxidation and method for making and using same
US7851397B2 (en) * 2005-07-25 2010-12-14 Saudi Basic Industries Corporation Catalyst for methacrolein oxidation and method for making and using same
US7799946B2 (en) * 2007-02-14 2010-09-21 Saudi Basic Industries Corporation Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene
CN103619473B (zh) 2011-06-28 2015-09-02 旭化成化学株式会社 氧化物催化剂
US8921257B2 (en) 2011-12-02 2014-12-30 Saudi Basic Industries Corporation Dual function partial oxidation catalyst for propane to acrylic acid conversion
US8722940B2 (en) 2012-03-01 2014-05-13 Saudi Basic Industries Corporation High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins
CN103736498B (zh) * 2012-10-17 2016-04-13 中国石油化工股份有限公司 丙烯氧化催化剂、制备方法及其用途
DE102013006251A1 (de) * 2013-04-11 2014-10-16 Clariant International Ltd. Verfahren zur Herstellung eines Katalysators zur partiellen Oxidation von Olefinen
CN104923246B (zh) * 2014-03-17 2017-09-15 中国石油化工股份有限公司 氧化法制不饱和醛及不饱和酸的催化剂
CN111420686B (zh) * 2019-01-10 2023-07-04 欧阳峰 F、S、Zr、Al共掺杂TiO2光催化剂的制备及太阳光催化降解丙烯腈工业废水效能

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US3761424A (en) * 1968-08-31 1973-09-25 Degussa Catalysts for the oxidation of alkenes
US3642930A (en) * 1968-12-30 1972-02-15 Standard Oil Co Ohio Process for the manufacture of isoprene from isoamylenes and methyl butanols and catalyst therefor
DE2000425A1 (de) * 1969-01-11 1970-07-16 Toa Gosei Chem Ind Verfahren zur Oxydation von Olefinen
JPS4738411Y1 (pt) * 1969-03-07 1972-11-21
JPS5112603B1 (pt) * 1971-05-26 1976-04-21
DE2251364B2 (de) * 1971-10-22 1975-07-03 Asahi Glass Co. Ltd., Tokio Verfahren zur Herstellung von Acrylsäure bzw. Methacrylsäure aus Acrolein bzw. Methacrolein

Also Published As

Publication number Publication date
DE2531513A1 (de) 1976-02-05
NL7508593A (nl) 1976-01-26
FR2279706A1 (fr) 1976-02-20
US4001317A (en) 1977-01-04
DD118600A5 (pt) 1976-03-12
GB1523141A (en) 1978-08-31
BG31644A3 (en) 1982-02-15
NO752571L (pt) 1976-01-23
CH619440A5 (pt) 1980-09-30
IT1039952B (it) 1979-12-10
ES439572A1 (es) 1977-06-01
BE831438A (fr) 1975-11-17
IN144975B (pt) 1978-08-05
CA1075709A (en) 1980-04-15
FR2279706B1 (pt) 1984-04-06

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