JPS5523086B2 - - Google Patents

Info

Publication number
JPS5523086B2
JPS5523086B2 JP3484573A JP3484573A JPS5523086B2 JP S5523086 B2 JPS5523086 B2 JP S5523086B2 JP 3484573 A JP3484573 A JP 3484573A JP 3484573 A JP3484573 A JP 3484573A JP S5523086 B2 JPS5523086 B2 JP S5523086B2
Authority
JP
Japan
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
JP3484573A
Other languages
Japanese (ja)
Other versions
JPS49122473A (US07655688-20100202-C00086.png
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 filed Critical
Priority to JP3484573A priority Critical patent/JPS5523086B2/ja
Priority to US05/452,659 priority patent/US4010238A/en
Priority to FR7409945A priority patent/FR2223072B1/fr
Priority to GB1312074A priority patent/GB1466789A/en
Priority to IT67946/74A priority patent/IT1024532B/it
Priority to DE2414333A priority patent/DE2414333C3/de
Publication of JPS49122473A publication Critical patent/JPS49122473A/ja
Publication of JPS5523086B2 publication Critical patent/JPS5523086B2/ja
Expired legal-status Critical Current

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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts 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
    • B01J23/84—Catalysts 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
    • B01J23/847—Vanadium, niobium or tantalum or polonium
    • B01J23/8472—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20723—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—Nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20784—Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2094—Tin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP3484573A 1973-03-26 1973-03-26 Expired JPS5523086B2 (US07655688-20100202-C00086.png)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP3484573A JPS5523086B2 (US07655688-20100202-C00086.png) 1973-03-26 1973-03-26
US05/452,659 US4010238A (en) 1973-03-26 1974-03-19 Proces for selective removal of nitrogen oxides from waste gases
FR7409945A FR2223072B1 (US07655688-20100202-C00086.png) 1973-03-26 1974-03-22
GB1312074A GB1466789A (en) 1973-03-26 1974-03-25 Catalytic removal of oxides of nitrogen from waste gases
IT67946/74A IT1024532B (it) 1973-03-26 1974-03-25 Prodedimento per l eliminazione se lettiva di ossidi di azoto da gas di scarico
DE2414333A DE2414333C3 (de) 1973-03-26 1974-03-25 Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3484573A JPS5523086B2 (US07655688-20100202-C00086.png) 1973-03-26 1973-03-26

Publications (2)

Publication Number Publication Date
JPS49122473A JPS49122473A (US07655688-20100202-C00086.png) 1974-11-22
JPS5523086B2 true JPS5523086B2 (US07655688-20100202-C00086.png) 1980-06-20

Family

ID=12425513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3484573A Expired JPS5523086B2 (US07655688-20100202-C00086.png) 1973-03-26 1973-03-26

Country Status (6)

Country Link
US (1) US4010238A (US07655688-20100202-C00086.png)
JP (1) JPS5523086B2 (US07655688-20100202-C00086.png)
DE (1) DE2414333C3 (US07655688-20100202-C00086.png)
FR (1) FR2223072B1 (US07655688-20100202-C00086.png)
GB (1) GB1466789A (US07655688-20100202-C00086.png)
IT (1) IT1024532B (US07655688-20100202-C00086.png)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545388B2 (US07655688-20100202-C00086.png) * 1973-04-10 1979-03-16
JPS503991A (US07655688-20100202-C00086.png) * 1973-04-18 1975-01-16
JPS542912B2 (US07655688-20100202-C00086.png) * 1973-09-10 1979-02-15
JPS5427839B2 (US07655688-20100202-C00086.png) * 1973-09-10 1979-09-12
GB1430730A (en) * 1973-09-10 1976-04-07 Mitsubishi Chem Ind Reductive decomposition of oxides of nitrogen
US4170572A (en) * 1973-10-18 1979-10-09 Union Carbide Corporation Oxidation catalyst prepared with NH3
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
JPS6243736B2 (US07655688-20100202-C00086.png) * 1974-03-29 1987-09-16 Mitsubishi Yuka Kk
US4056600A (en) * 1974-06-03 1977-11-01 Gennady Alexeevich Skvortsov Method of selective catalytic purification of waste gases from nitrogen oxides
JPS5132479A (en) * 1974-09-13 1976-03-19 Asahi Glass Co Ltd Chitsusosankabutsu no shorihoho
JPS5181776A (ja) * 1975-01-13 1976-07-17 Mitsubishi Chem Ind Nenshohaigasunodatsushohoho
JPS5246558B2 (US07655688-20100202-C00086.png) * 1975-02-17 1977-11-25
JPS5621469B2 (US07655688-20100202-C00086.png) * 1975-02-25 1981-05-19
JPS585703B2 (ja) * 1975-05-19 1983-02-01 株式会社日本触媒 チツソサンカブツジヨキヨヨウシヨクバイ
JPS5823136B2 (ja) * 1975-07-23 1983-05-13 三井化学株式会社 排ガス中の窒素酸化物の除去方法
JPS6052856B2 (ja) * 1975-09-05 1985-11-21 株式会社神戸製鋼所 固定燃焼装置よりの排ガス中に含まれる窒素酸化物の除去法
JPS5231969A (en) * 1975-09-05 1977-03-10 Kobe Steel Ltd Removing method of nitrogen oxide contained in waste gas from fixed bu rning eqipment
US4131643A (en) * 1975-09-05 1978-12-26 Kobe Steel Limited Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst
FR2327814A1 (fr) * 1975-10-15 1977-05-13 Hitachi Ltd Procede pour traiter par catalyse un gaz d'echappement renfermant de l'ammoniac gazeux et de l'oxygene gazeux.
US4096184A (en) * 1976-01-19 1978-06-20 Sumitomo Chemical Company, Limited Process for preparing acid amides
US4140654A (en) * 1976-04-16 1979-02-20 Mitsui Petrochemical Industries Ltd. Catalyst composition with support comprising titanium oxide and clay mineral for vapor phase reduction of nitrogen oxides
US4188365A (en) * 1976-04-16 1980-02-12 Mitsui Petrochemical Industries, Ltd. Process for catalytic vapor phase reduction of nitrogen oxides and catalyst composition used therefor
JPS52147587A (en) * 1976-06-02 1977-12-08 Ishikawajima Harima Heavy Ind Co Ltd No# removal catalyst
US4186109A (en) * 1976-09-30 1980-01-29 Mitsubishi Jukogyo Kabushiki Kaisha Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases
JPS5456072A (en) * 1977-10-13 1979-05-04 Kawasaki Heavy Ind Ltd Denitrating method for exhaust combustion gas
US4229374A (en) * 1977-10-17 1980-10-21 Shell Oil Company Amine process using Cu-Sn-Na catalyst
US4293443A (en) * 1978-03-30 1981-10-06 Standard Oil Company Oxidation catalysts
US4234461A (en) * 1978-03-30 1980-11-18 Standard Oil Company (Ohio) Oxidation catalysts
US4225465A (en) * 1978-05-02 1980-09-30 Standard Oil Company (Ohio) Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by hydrothermal techniques
IT1193930B (it) * 1980-04-02 1988-08-31 Alusuisse Italia Spa Catalizzatore per la fabbricazione di anidride ftalica
JPS57133339A (en) * 1981-02-10 1982-08-18 Shimadzu Corp Infrared rays system so2 analyzer
JPS58128127A (ja) * 1982-09-22 1983-07-30 Mitsubishi Kakoki Kaisha Ltd 排ガスから窒素酸化物を除去する方法
DE3643605C1 (de) * 1986-12-19 1988-07-14 Otto Feuerfest Gmbh Traegerkatalysator,Verfahren zu seiner Herstellung und seine Verwendung zur Reduktion von Stickoxiden
US4929586A (en) * 1988-06-09 1990-05-29 W. R. Grace & Co.-Conn. Catalysts for selective catalytic reduction DeNOx technology
US4975256A (en) * 1988-06-09 1990-12-04 W. R. Grace & Co.-Conn. Process using catalysts for selective catalytic reduction denox technology
US4962075A (en) * 1988-12-05 1990-10-09 Mobil Oil Corp. Zeolitic copper catalyst
FR2642987A1 (fr) * 1989-02-10 1990-08-17 Centre Nat Rech Scient Reduction catalytique de composes azotes
SU1822529A3 (ru) * 1991-06-17 1995-02-27 Институт катализа СО РАН Катализатор для очистки отходящих промышленных газов по реакции клауса
JP2001509432A (ja) 1997-07-10 2001-07-24 エス ケー コーポレイション 窒素酸化物の除去のための選択的触媒還元及びその触媒体
JP3643676B2 (ja) * 1997-07-16 2005-04-27 三菱重工業株式会社 ボイラ排ガスの油田への圧入方法
RU2179954C1 (ru) * 2000-06-22 2002-02-27 Стремилова Нина Николаевна Композиция для очистки природных и сточных вод и способ получения композиции для очистки природных и сточных вод (варианты)
EP2052770A1 (en) * 2006-08-15 2009-04-29 Idemitsu Kosan Co., Ltd. Method for decomposing dinitrogen monoxide
MY151327A (en) * 2007-01-31 2014-05-15 Basf Catalysts Llc Gas catalysts comprising porous wall honeycombs
US8524185B2 (en) 2008-11-03 2013-09-03 Basf Corporation Integrated SCR and AMOx catalyst systems
US8293182B2 (en) 2010-05-05 2012-10-23 Basf Corporation Integrated SCR and AMOx catalyst systems
JP5628413B2 (ja) 2010-05-05 2014-11-19 ビーエーエスエフ コーポレーション 触媒化煤煙フィルターおよび排出処理システムおよび方法
DE112015002186T5 (de) 2014-05-09 2017-01-19 Johnson Matthey Public Limited Company Ammoniak-Sperrkatalysator mit auf hochporösen Substraten imprägniertem Platin
DE102015209987A1 (de) 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
RU2017103300A (ru) 2014-07-02 2018-08-02 Джонсон Мэтти Паблик Лимитед Компани Перовскит с покровным слоем компонента скв в качестве катализатора окисления аммиака и система нейтрализации выхлопных газов дизельных двигателей
RU2702578C2 (ru) 2014-11-19 2019-10-08 Джонсон Мэтти Паблик Лимитед Компани Объединение scr с pna для низкотемпературного контроля выхлопных газов
JP5869169B1 (ja) * 2015-06-01 2016-02-24 公立大学法人大阪府立大学 酸素発生反応用ペロブスカイト酸化物触媒
US9937489B2 (en) 2015-06-18 2018-04-10 Johnson Matthey Public Limited Company Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC
US10201807B2 (en) 2015-06-18 2019-02-12 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an SCR system
CN107847862B (zh) 2015-06-18 2020-12-18 庄信万丰股份有限公司 Nh3过量剂量耐受的scr催化剂
BR112017027173B1 (pt) 2015-06-18 2021-09-28 Johnson Matthey Public Limited Company Catalisador de vazamento de amônia, método para melhorar o rendimento de n2 de amônia em um gás de escape, e, método para reduzir a formação de n2o de nh3 em um gás de escape
KR102660644B1 (ko) 2015-06-18 2024-04-26 존슨 맛쎄이 퍼블릭 리미티드 컴파니 구역이 나누어진 배기 시스템
KR20180020215A (ko) 2015-06-18 2018-02-27 존슨 맛쎄이 퍼블릭 리미티드 컴파니 단일 또는 이중 층 암모니아 슬립 촉매
US10105692B2 (en) 2015-09-29 2018-10-23 Johnson Matthey Public Limited Company Zoned ammonia slip catalyst for use in combustion turbines
BR112018006174A2 (pt) 2015-09-29 2018-10-09 Johnson Matthey Plc composição, filtro catalítico, sistema e método para tratar um gás de escape de queima pobre, usos de um filtro catalítico e de uma composição, e, métodos para melhorar a combustão de fuligem, para reduzir a suscetibilidade de um catalisador de scr contido em um filtro à deterioração, para diminuir a temperatura de combustão de fuligem, para melhorar a resistência de um catalisador de scr e para coletar material particulado do gás de escape emitido de um motor.
DE102017122001A1 (de) 2016-09-22 2018-03-22 Johnson Matthey Public Limited Company Ruthenium, geträgert auf trägern, die eine rutilphase aufweisen, als stabile katalysatoren für nh3-slip-anwendungen
MX2019004771A (es) 2016-10-24 2019-08-05 Basf Corp Catalizador de reduccion catalitica selectiva (scr) integrado y trampa de nox (lnt) para la reduccion del nox.
GB2556453A (en) 2016-10-26 2018-05-30 Johnson Matthey Plc Hydrocarbon injection through small pore CU-zeolite catalyst
GB2562161A (en) 2017-03-20 2018-11-07 Johnson Matthey Plc Rear on-wall design SCRF
GB2562160B (en) 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
WO2019042911A1 (en) 2017-08-29 2019-03-07 Rhodia Operations USE OF A MIXED OXIDE TO ABSORB NOX
BR112020016802A2 (pt) 2018-02-19 2020-12-15 Basf Corporation Sistema para tratamento de uma corrente de gás de escape de um motor e método para tratar uma corrente de gás de escape
CN111801164A (zh) 2018-03-14 2020-10-20 庄信万丰股份有限公司 具有原位Pt固定的氨漏失催化剂
US11897779B2 (en) 2018-08-24 2024-02-13 East China Normal University Microporous aluminotitanosilicate crystalline zeolite, method of preparation and applications thereof
CN114761108A (zh) 2019-12-10 2022-07-15 庄信万丰股份有限公司 提供经改善的选择性、活性和毒性耐受性的指定区域的氨漏失催化剂
WO2021126935A1 (en) 2019-12-19 2021-06-24 Basf Corporation Exhaust treatment system for ammonia-fueled vehicles
US11712685B2 (en) 2020-03-31 2023-08-01 Johnson Matthey Public Limited Company Ammonia slip catalyst with in-situ PT fixing
JP2024505922A (ja) 2021-02-02 2024-02-08 ビーエーエスエフ コーポレーション 移動式のガソリン用途のためのｎｈ３低減触媒
WO2023244279A1 (en) 2022-06-17 2023-12-21 Basf Corporation Exhaust treatment system for ammonia-fueled vehicles
EP4378566A1 (en) 2022-11-29 2024-06-05 Johnson Matthey Public Limited Company Improved catalytic wall-flow filter

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US3008796A (en) * 1958-06-05 1961-11-14 Engelhard Ind Inc Method of purifying gases containing oxygen and oxides of nitrogen
DE1253685B (de) * 1963-01-22 1967-11-09 Degussa Verfahren zur Entfernung von Stickstoffoxyden aus stickstoffoxydhaltigen Abgasen
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FR1504331A (fr) * 1966-11-29 1967-12-01 Hamburger Gaswerke Gmbh Procédé pour l'élimination d'oxydes d'azote à partir de tous les gaz
US3615166A (en) * 1969-06-16 1971-10-26 Engelhard Min & Chem Catalysts for purification of waste gases containing oxides of nitrogen
JPS4857882A (US07655688-20100202-C00086.png) * 1971-11-22 1973-08-14
JPS48101975A (US07655688-20100202-C00086.png) * 1972-04-05 1973-12-21
JPS4975464A (US07655688-20100202-C00086.png) * 1972-09-01 1974-07-22
JPS4997794A (US07655688-20100202-C00086.png) * 1972-12-27 1974-09-17
JPS5523086A (en) * 1978-05-18 1980-02-19 Philips Nv Tool for treating and molding glass

Also Published As

Publication number Publication date
DE2414333A1 (de) 1974-10-03
JPS49122473A (US07655688-20100202-C00086.png) 1974-11-22
DE2414333C3 (de) 1981-09-10
FR2223072A1 (US07655688-20100202-C00086.png) 1974-10-25
DE2414333B2 (de) 1980-11-13
FR2223072B1 (US07655688-20100202-C00086.png) 1978-01-06
US4010238A (en) 1977-03-01
IT1024532B (it) 1978-07-20
GB1466789A (en) 1977-03-09

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