KR830003931A - 개량된 Sb-함유 촉매의 제조방법 - Google Patents
개량된 Sb-함유 촉매의 제조방법 Download PDFInfo
- Publication number
- KR830003931A KR830003931A KR1019800004982A KR800004982A KR830003931A KR 830003931 A KR830003931 A KR 830003931A KR 1019800004982 A KR1019800004982 A KR 1019800004982A KR 800004982 A KR800004982 A KR 800004982A KR 830003931 A KR830003931 A KR 830003931A
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- mixtures
- antimony
- tin
- iron
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims 14
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 239000000203 mixture Substances 0.000 claims 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 6
- 229910052770 Uranium Inorganic materials 0.000 claims 6
- 229910052787 antimony Inorganic materials 0.000 claims 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 6
- 229910052742 iron Inorganic materials 0.000 claims 6
- 229910052718 tin Inorganic materials 0.000 claims 6
- 239000011135 tin Substances 0.000 claims 6
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical group [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims 6
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims 3
- 229910052684 Cerium Inorganic materials 0.000 claims 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 3
- 229910052776 Thorium Inorganic materials 0.000 claims 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 3
- 229910052783 alkali metal Inorganic materials 0.000 claims 3
- 150000001340 alkali metals Chemical class 0.000 claims 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 3
- 229910052797 bismuth Inorganic materials 0.000 claims 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical group [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 3
- 229910052804 chromium Inorganic materials 0.000 claims 3
- 239000011651 chromium Chemical group 0.000 claims 3
- 239000010941 cobalt Substances 0.000 claims 3
- 229910017052 cobalt Inorganic materials 0.000 claims 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 3
- 229910052802 copper Inorganic materials 0.000 claims 3
- 239000010949 copper Chemical group 0.000 claims 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical group [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 3
- 229910052750 molybdenum Inorganic materials 0.000 claims 3
- 239000011733 molybdenum Substances 0.000 claims 3
- 229910052759 nickel Inorganic materials 0.000 claims 3
- 229910052760 oxygen Inorganic materials 0.000 claims 3
- 239000001301 oxygen Substances 0.000 claims 3
- 229910052714 tellurium Inorganic materials 0.000 claims 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical group [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims 3
- 239000010936 titanium Substances 0.000 claims 3
- 229910052719 titanium Inorganic materials 0.000 claims 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 3
- 229910052721 tungsten Inorganic materials 0.000 claims 3
- 239000010937 tungsten Substances 0.000 claims 3
- 229910052720 vanadium Inorganic materials 0.000 claims 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical group [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 3
- 150000001463 antimony compounds Chemical class 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- 230000003197 catalytic effect Effects 0.000 claims 1
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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- 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
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8876—Arsenic, antimony or bismuth
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
-
- 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
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
- C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective 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)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (4)
- 안티모니 함유 산화물 착염 촉매에, 이 촉매내의 안티모니를 기준으로 0.1내지 25%의 안티모니를 함유한 안티모니 화합물을 첨가하여 촉매 성능이 개량된 촉매를 제조하는 방법.
- 다음 구조식의 촉매를 사용한 상기 특허청구 범위 1의 방법.AaBbCcMdSbeOx여기서 M은 우라늄, 철, 망간, 세륨, 토륨, 주석, 티타늄 또는 이들의 혼합물이며 바람직하기로는 우라늄, 철, 주석 또는 이들의 혼합물이며,A는 몰리브덴, 텅스텐 또는 이들의 혼합물;B는 바나듐, 텔루륨, 크롬, 구리, 비스무트 또는 이들의 혼합물이고C는 니켈, 코발트, 알칼리금속, 알칼리토금속 또는 이들의 혼합물이며0 ≤a ≤10 0 ≤b ≤100 ≤c ≤10 0.1 ≤d ≤105 ≤e ≤100이며x는 산소가 촉매내의 다른 원소들과 원자가의 균형을 이루기 위해 필요한 수치이고
- 생성된 촉매가 다음 구조식의 촉매인 상기 특허청구 범위 1의 방법.AaBbCcMdSbeOx여기서 M은 우라늄, 철, 망간, 세륨, 토륨, 주석, 티타늄 또는 이들의 혼합물이며 바람직하기로는, 우라늄, 철, 주석 또는 이들의 혼합물이며,A는 몰리브덴, 텅스텐 또는 이들의 혼합물;B는 바나듐, 텔루륨, 크롬, 구리, 비스무트 또는 이들의 혼합물이고C는 니켈, 코발트, 알칼리금속, 알칼리 토금속 또는 이들의 혼합물이며0 ≤a ≤10 0 ≤b ≤100 ≤c ≤10 0.1 ≤d ≤105 ≤e ≤100이며x는 산소가 촉매내의 다른 원소들과 원자가의 균형을 이루기 위해 필요한 수치이고
- 안티모니 함유 산화물 착염 촉매에 이 촉매내의 안티모니를 기준으로 0.1 내지 25%의 안티모니를 함유한 안티모니 화합물을 첨가하여 촉매적 성능을 개량시킨 다음 구조식의 촉매.AaBbCcMdSbeOx여기서M은 우라늄, 철, 망간, 세륨, 토륨, 주석, 티타늄 또는 이들의 혼합물이며 바람직하기로는 우라늄, 철, 주석 또는 이들의 혼합물이며,A는 몰리브덴, 텅스텐 또는 이들의 혼합물;B는 바나듐, 텔루륨, 크롬, 구리, 비스무트 또는 이들의 혼합물이고C는 니켈, 코발트, 알칼리금속, 알칼리 토금속 또는 이들의 혼합물이며0 ≤a ≤10 0 ≤b ≤100 ≤c ≤10 0.1 ≤d ≤105 ≤e ≤100이며x는 산소가 촉매내의 다른 원소들과 원자가의 균형을 이루기 위해 필요한 수치이다.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US107942 | 1979-12-28 | ||
US06/107,942 US4290920A (en) | 1979-12-28 | 1979-12-28 | Sb-containing catalysts by Sb-oxide impregnation |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830003931A true KR830003931A (ko) | 1983-06-30 |
KR840000412B1 KR840000412B1 (ko) | 1984-04-02 |
Family
ID=22319310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019800004982A KR840000412B1 (ko) | 1979-12-28 | 1980-12-27 | 개량된 안티몬-기본 산화 촉매 조성물 |
Country Status (10)
Country | Link |
---|---|
US (1) | US4290920A (ko) |
EP (1) | EP0036464B1 (ko) |
JP (1) | JPS56102944A (ko) |
KR (1) | KR840000412B1 (ko) |
AT (1) | AT380806B (ko) |
BR (1) | BR8008484A (ko) |
DE (1) | DE3065848D1 (ko) |
ES (1) | ES8205575A1 (ko) |
IN (1) | IN155018B (ko) |
TR (1) | TR21685A (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58140056A (ja) * | 1982-02-16 | 1983-08-19 | Nitto Chem Ind Co Ltd | アンモ酸化方法 |
JPS5990633A (ja) * | 1982-11-12 | 1984-05-25 | Nitto Chem Ind Co Ltd | アンチモン含有金属酸化物触媒の製造法または活性化法 |
US4863892A (en) * | 1983-08-16 | 1989-09-05 | Phillips Petroleum Company | Antifoulants comprising tin, antimony and aluminum for thermal cracking processes |
US4746641A (en) * | 1984-08-22 | 1988-05-24 | Standard Oil Company | Ammoxidation of paraffins and catalysts therefor |
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 |
US4769357A (en) * | 1986-02-27 | 1988-09-06 | Mitsubishi Petrochemical Company Limited | Process for producing composite oxide catalyst |
US4960921A (en) * | 1986-09-08 | 1990-10-02 | The Standard Oil Company | Multiply promoted MN-SB oxide catalysts |
US4767739A (en) * | 1987-04-20 | 1988-08-30 | The Standard Oil Company | Catalyst system for ammoxidation of paraffins |
US5134105A (en) * | 1990-03-19 | 1992-07-28 | The Standard Oil Company | Catalyst for propylene ammoxidation to acrylonitrile |
JP3142549B2 (ja) * | 1990-09-10 | 2001-03-07 | 三菱レイヨン株式会社 | 鉄・アンチモン・モリブデン含有酸化物触媒組成物およびその製法 |
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. |
TR27951A (tr) * | 1992-06-23 | 1995-11-08 | Standard Oil Co Ohio | Akrilonitrile propilen amoksidasyonu icin gelistirilmis bir islem ve katalizör. |
US5498588A (en) * | 1994-09-09 | 1996-03-12 | The Standard Oil Company | Surface modification and promotion of vanadium antimony oxide catalysts |
JP3786297B2 (ja) * | 1995-03-03 | 2006-06-14 | 日本化薬株式会社 | 触媒の製造方法 |
GB2302291B (en) * | 1995-06-15 | 1999-07-07 | Basf Plc | Ammoxidation of propane and preparation of catalyst therefor |
WO2003101616A1 (fr) * | 2002-05-31 | 2003-12-11 | China Petroleum & Chemical Corporation | Procede pour regenerer un catalyseur contenant du titane |
TW200400851A (en) * | 2002-06-25 | 2004-01-16 | Rohm & Haas | PVD supported mixed metal oxide catalyst |
EP3897974A4 (en) * | 2018-12-17 | 2022-11-02 | California Institute of Technology | ANTIMONIATE ELECTROCATALYST FOR ELECTROCHEMICAL REACTION |
KR20210132111A (ko) | 2019-02-21 | 2021-11-03 | 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 | 안티몬 촉매를 안정화시키는 방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL135670C (ko) * | 1963-05-09 | |||
US3325504A (en) * | 1965-04-23 | 1967-06-13 | Standard Oil Co | Manufacture of aromatic nitriles and aldehydes |
US3338952A (en) * | 1965-11-15 | 1967-08-29 | Standard Oil Co | Process for the catalytic ammoxidation of olefins to nitriles |
US3431292A (en) * | 1966-12-23 | 1969-03-04 | Standard Oil Co | Olefinic nitriles by ammoxidation of olefins with promoted antimony oxideuranium oxide catalyst |
GB1229283A (ko) * | 1967-07-19 | 1971-04-21 | ||
JPS5242552B2 (ko) * | 1974-08-01 | 1977-10-25 | ||
JPS5223589A (en) * | 1975-08-18 | 1977-02-22 | Mitsubishi Petrochem Co Ltd | Catalyst for producing alpha,beta-unsaturaded carboxylic acid |
US4148757A (en) * | 1977-08-10 | 1979-04-10 | The Standard Oil Company | Process for forming multi-component oxide complex catalysts |
CA1127137A (en) * | 1977-12-20 | 1982-07-06 | Dev D. Suresh | Ammoxidation of olefins with novel antimonate catalysts |
-
1979
- 1979-12-28 US US06/107,942 patent/US4290920A/en not_active Expired - Lifetime
-
1980
- 1980-11-27 IN IN846/DEL/80A patent/IN155018B/en unknown
- 1980-12-17 AT AT0615480A patent/AT380806B/de not_active IP Right Cessation
- 1980-12-18 TR TR21685A patent/TR21685A/xx unknown
- 1980-12-19 JP JP18033880A patent/JPS56102944A/ja active Pending
- 1980-12-19 DE DE8080304632T patent/DE3065848D1/de not_active Expired
- 1980-12-19 EP EP80304632A patent/EP0036464B1/en not_active Expired
- 1980-12-23 BR BR8008484A patent/BR8008484A/pt unknown
- 1980-12-24 ES ES498136A patent/ES8205575A1/es not_active Expired
- 1980-12-27 KR KR1019800004982A patent/KR840000412B1/ko active
Also Published As
Publication number | Publication date |
---|---|
US4290920A (en) | 1981-09-22 |
DE3065848D1 (en) | 1984-01-12 |
ES498136A0 (es) | 1982-06-16 |
JPS56102944A (en) | 1981-08-17 |
EP0036464A2 (en) | 1981-09-30 |
ES8205575A1 (es) | 1982-06-16 |
TR21685A (tr) | 1985-02-18 |
ATA615480A (de) | 1985-12-15 |
EP0036464A3 (en) | 1981-11-18 |
IN155018B (ko) | 1984-12-22 |
BR8008484A (pt) | 1981-07-14 |
EP0036464B1 (en) | 1983-12-07 |
AT380806B (de) | 1986-07-10 |
KR840000412B1 (ko) | 1984-04-02 |
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