RU98100767A - CATALYST FOR CATALYTIC REFORMING OF HYDROCARBONS AND METHOD OF ITS PRODUCTION - Google Patents
CATALYST FOR CATALYTIC REFORMING OF HYDROCARBONS AND METHOD OF ITS PRODUCTIONInfo
- Publication number
- RU98100767A RU98100767A RU98100767/04A RU98100767A RU98100767A RU 98100767 A RU98100767 A RU 98100767A RU 98100767/04 A RU98100767/04 A RU 98100767/04A RU 98100767 A RU98100767 A RU 98100767A RU 98100767 A RU98100767 A RU 98100767A
- Authority
- RU
- Russia
- Prior art keywords
- catalyst
- paragraphs
- group
- catalyst according
- alumina
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims 25
- 238000001833 catalytic reforming Methods 0.000 title claims 2
- 150000002430 hydrocarbons Chemical class 0.000 title claims 2
- 229910052751 metal Inorganic materials 0.000 claims 14
- 239000002184 metal Substances 0.000 claims 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N al2o3 Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 9
- 238000005275 alloying Methods 0.000 claims 8
- 229910052736 halogen Inorganic materials 0.000 claims 8
- 150000002367 halogens Chemical class 0.000 claims 8
- 239000007789 gas Substances 0.000 claims 6
- 239000011159 matrix material Substances 0.000 claims 6
- 230000001737 promoting Effects 0.000 claims 6
- 229910052789 astatine Inorganic materials 0.000 claims 5
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims 5
- 229910052738 indium Inorganic materials 0.000 claims 5
- 229910000510 noble metal Inorganic materials 0.000 claims 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 5
- 229910052716 thallium Inorganic materials 0.000 claims 5
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims 5
- 229910052718 tin Inorganic materials 0.000 claims 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 5
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims 4
- WUAPFZMCVAUBPE-UHFFFAOYSA-N Rhenium Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 4
- 229910052787 antimony Inorganic materials 0.000 claims 4
- 229910052801 chlorine Inorganic materials 0.000 claims 4
- 239000000460 chlorine Substances 0.000 claims 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 4
- 229910052804 chromium Inorganic materials 0.000 claims 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 4
- 239000011651 chromium Substances 0.000 claims 4
- 229910052733 gallium Inorganic materials 0.000 claims 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims 4
- 229910052732 germanium Inorganic materials 0.000 claims 4
- 238000010335 hydrothermal treatment Methods 0.000 claims 4
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 4
- 229910052748 manganese Inorganic materials 0.000 claims 4
- 239000011572 manganese Substances 0.000 claims 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 4
- 229910052750 molybdenum Inorganic materials 0.000 claims 4
- 239000011733 molybdenum Substances 0.000 claims 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 4
- 229910052702 rhenium Inorganic materials 0.000 claims 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 4
- 229910052710 silicon Inorganic materials 0.000 claims 4
- 239000010703 silicon Substances 0.000 claims 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 4
- 229910052721 tungsten Inorganic materials 0.000 claims 4
- 239000010937 tungsten Substances 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 3
- 229910052731 fluorine Inorganic materials 0.000 claims 3
- 239000011737 fluorine Substances 0.000 claims 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 3
- 229910052740 iodine Inorganic materials 0.000 claims 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims 3
- 239000011630 iodine Substances 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 3
- 229910052726 zirconium Inorganic materials 0.000 claims 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N Hafnium Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 2
- 229910052803 cobalt Inorganic materials 0.000 claims 2
- 239000010941 cobalt Substances 0.000 claims 2
- 229910052735 hafnium Inorganic materials 0.000 claims 2
- 229910052747 lanthanoid Inorganic materials 0.000 claims 2
- 150000002602 lanthanoids Chemical class 0.000 claims 2
- 229910052759 nickel Inorganic materials 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 2
- 229910052719 titanium Inorganic materials 0.000 claims 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 2
- 239000010936 titanium Substances 0.000 claims 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 2
- 229910052725 zinc Inorganic materials 0.000 claims 2
- 239000011701 zinc Substances 0.000 claims 2
- 239000003570 air Substances 0.000 claims 1
- 229910052786 argon Inorganic materials 0.000 claims 1
- 238000001354 calcination Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005470 impregnation Methods 0.000 claims 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 1
- 229910052746 lanthanum Inorganic materials 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
Claims (27)
а) приготовление, возможно смешением, с последующим формованием матрицы (гамма) γ-оксида алюминия, (эта) η-оксида алюминия или их смеси;
b) осаждение последующих компонентов, по меньшей мере, на одном из гамма или эта-оксидов алюминия, взятых в весовых процентах, в расчете на общий вес катализатора: 0,01 - 2 вес.% кремния, 0,1 - 15 вес.% по меньшей мере одного галогена, выбранного из группы, состоящей из фтора, хлора, брома и йода, 0,01 - 2 вес. % по меньшей мере одного благородного металла выбранного из группы платины, 0,005 - 10 вес.% по меньшей мере одного промотирующего металла, выбранного из группы, состоящей из олова, германия, индия, галлия, таллия, сурьмы, свинца, рения, марганца, хрома, молибдена и вольфрама, и 0,001 - 10 вес.%, если потребуется, по меньшей мере одного легирующего металла, выбранного из группы, состоящей из щелочных и щелочноземельных металлов, из ряда лантанидов, титана, циркония, гафния, кобальта, никеля и цинка;
причем стадии а) и b) можно осуществлять в любой последовательности, и осаждение на стадии b) можно проводить только частично до стадии а),
с) дополнительная гидротермальная обработка катализатора, полученного на стадиях а) и b), при 300 - 1000°С в газообразной атмосфере, содержащей водяной пар.17. A method of producing a catalyst, as claimed in claims. 1-8, characterized in that it includes the following stages:
a) preparation, possibly by mixing, followed by molding a matrix (gamma) of γ-alumina, (this) η-alumina or a mixture thereof;
b) the deposition of subsequent components, at least one of gamma or eta-alumina, taken in weight percent, based on the total weight of the catalyst: 0.01 to 2 wt.% silicon, 0.1 to 15 wt.% at least one halogen selected from the group consisting of fluorine, chlorine, bromine and iodine, 0.01 to 2 weight. % of at least one noble metal selected from the platinum group; 0.005 to 10% by weight of at least one promoting metal selected from the group consisting of tin, germanium, indium, gallium, thallium, antimony, lead, rhenium, manganese, chromium , molybdenum and tungsten, and 0.001 to 10 wt.%, if you need at least one alloying metal selected from the group consisting of alkali and alkaline earth metals, from the series of lanthanides, titanium, zirconium, hafnium, cobalt, nickel and zinc;
moreover, stage a) and b) can be carried out in any sequence, and the deposition in stage b) can be carried out only partially to stage a),
c) additional hydrothermal treatment of the catalyst obtained in stages a) and b) at 300-1000 ° C in a gaseous atmosphere containing water vapor.
а) формование матрицы из гамма-оксида алюминия или эта-оксида алюминия, или смеси гамма и эта-оксидов алюминия,
b) осаждение кремния на эту матрицу,
с) возможное осаждение по меньшей мере одного легирующего металла и
d) одновременное или последовательное осаждение по меньшей мере одного промотирующего металла, выбранного из олова, германия, индия, галлия, таллия, сурьмы, свинца, рения, марганца, хрома, молибдена и вольфрама;
по меньшей мере одного элемента, выбранного из группы, состоящей из фтора, хлора, брома, йода, и по меньшей мере одного благородного металла из группы платины.19. The method according to any one of paragraphs. 17 and 18, characterized in that it includes the following successive stages:
a) forming a matrix of gamma-alumina or eta-alumina, or a mixture of gamma and eta-aluminas,
b) deposition of silicon on this matrix,
c) possible precipitation of at least one alloying metal; and
d) simultaneous or sequential precipitation of at least one promoting metal selected from tin, germanium, indium, gallium, thallium, antimony, lead, rhenium, manganese, chromium, molybdenum and tungsten;
at least one element selected from the group consisting of fluorine, chlorine, bromine, iodine, and at least one noble metal from the platinum group.
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9507190A FR2735393B1 (en) | 1995-06-16 | 1995-06-16 | CATALYSTS FOR USE IN HYDROCARBON TRANSFORMATION REACTIONS CONTAINING SILICON AND ALKALINE OR ALKALINE EARTH METALS |
FR95/07190 | 1995-06-16 | ||
FR9507187A FR2735392B1 (en) | 1995-06-16 | 1995-06-16 | HIGH LANTHANIDE AND SILICON-CONTAINING CATALYSTS FOR USE IN HYDROCARBON TRANSFORMATION REACTIONS |
FR9507185A FR2735391B1 (en) | 1995-06-16 | 1995-06-16 | CATALYSTS FOR USE IN SILICON-CONTAINING HYDROCARBON TRANSFORMATION REACTIONS |
FR9507184A FR2735390B1 (en) | 1995-06-16 | 1995-06-16 | LANTHANIDE-CONTAINING SILICON-CONTAINING CATALYSTS FOR USE IN HYDROCARBON PROCESSING REACTIONS |
FR95/07183 | 1995-06-16 | ||
FR95/07181 | 1995-06-16 | ||
FR9507191A FR2735394B1 (en) | 1995-06-16 | 1995-06-16 | CATALYSTS FOR USE IN HYDROCARBON TRANSFORMATION REACTIONS CONTAINING SILICON AND ALKALINE OR ALKALINE EARTH METALS |
FR9507181A FR2735388B1 (en) | 1995-06-16 | 1995-06-16 | CATALYSTS CONTAINING SILICON AND TITANIUM, ZIRCONIUM, HAFNIUM, COBALT, NICKEL AND / OR ZINC, FOR USE IN HYDROCARBON PROCESSING REACTIONS |
FR95/07184 | 1995-06-16 | ||
FR95/07185 | 1995-06-16 | ||
FR9507183A FR2735389B1 (en) | 1995-06-16 | 1995-06-16 | CATALYSTS FOR USE IN HYDROCARBON TRANSFORMATION REACTIONS |
FR95/07187 | 1995-06-16 | ||
FR95/07191 | 1995-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU98100767A true RU98100767A (en) | 1999-11-10 |
RU2160635C2 RU2160635C2 (en) | 2000-12-20 |
Family
ID=27562485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU98100767/04A RU2160635C2 (en) | 1995-06-16 | 1996-06-14 | Catalytic hydrocarbon reforming catalyst and method of preparation thereof |
Country Status (10)
Country | Link |
---|---|
US (1) | US6218334B1 (en) |
EP (1) | EP0831966B1 (en) |
JP (1) | JPH11507591A (en) |
KR (1) | KR100399306B1 (en) |
CN (1) | CN1088623C (en) |
CA (1) | CA2225510A1 (en) |
DE (1) | DE69616789T2 (en) |
ES (1) | ES2167583T3 (en) |
RU (1) | RU2160635C2 (en) |
WO (1) | WO1997000130A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100473040B1 (en) * | 1996-11-07 | 2005-03-07 | 앵스띠뛰 프랑세 뒤 뻬뜨롤 | Catalyst having at least one element of group viib and its use in hydro-treating |
FR2778343B1 (en) | 1998-05-06 | 2000-06-16 | Inst Francais Du Petrole | CATALYST BASED ON ZEOLITH Y NOT GLOBALLY DESALUMINATED, BORON AND / OR SILICON AND HYDROCRACKING PROCESS |
FR2792550B1 (en) * | 1999-04-26 | 2001-06-01 | Inst Francais Du Petrole | CATALYST COMPRISING AN ELEMENT FROM GROUPS 8, 9 AND 10 HAVING GOOD ACCESSIBILITY AND ITS USE IN A PARAFFIN DEHYDROGENATION PROCESS |
DE60031758T2 (en) * | 1999-11-10 | 2007-02-22 | Institut Français du Pétrole, Rueil-Malmaison | Chlorinated and fluorinated aromatic hydrogenation catalyst with a Group VIII metal and an additional metal |
US6706660B2 (en) * | 2001-12-18 | 2004-03-16 | Caterpillar Inc | Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems |
AU2003209256A1 (en) * | 2002-01-14 | 2003-07-30 | Exxonmobil Chemical Patents Inc. | Reforming catalyst and process |
FR2846574B1 (en) * | 2002-10-30 | 2006-05-26 | Inst Francais Du Petrole | CATALYST AND PROCESS FOR HYDROCRACKING HYDROCARBON LOADS |
US7288240B2 (en) * | 2004-06-25 | 2007-10-30 | Council Of Scientific And Industrial Research | Method for production of hydrogen peroxide with improved yield and selectivity by direct oxidation of hydrogen over palladium containing catalyst |
JP5385972B2 (en) * | 2009-04-01 | 2014-01-08 | 三井化学株式会社 | Olefin production method |
US9486786B2 (en) * | 2010-07-02 | 2016-11-08 | Savannah River Nuclear Solutions, Llc | Highly dispersed metal catalyst |
US9266091B2 (en) * | 2012-03-29 | 2016-02-23 | Uop Llc | Reforming catalysts with tuned acidity for maximum aromatics yield |
CN104841425A (en) * | 2014-02-18 | 2015-08-19 | 中国石油化工股份有限公司 | Semi-regenerated catalytic reforming catalyst and preparation method thereof |
RU2560161C1 (en) * | 2014-04-15 | 2015-08-20 | Открытое акционерное общество "Нефтяная компания "Роснефть" | Support, method of preparing same (versions), method of preparing reforming catalyst (versions) and method of reforming gasoline fractions |
EP3045226A1 (en) * | 2015-01-19 | 2016-07-20 | Umicore AG & Co. KG | Double layer three-way catalytic converter with improved ageing resistance |
JP6792550B2 (en) * | 2015-03-27 | 2020-11-25 | Eneos株式会社 | Dehydrogenation catalyst for hydrocarbons, hydrogen production system and hydrogen production method |
CA2943547A1 (en) * | 2015-10-16 | 2017-04-16 | Reliance Industries Limited | A catalyst, a process for preparation of the catalyst and application thereof |
RU2635353C1 (en) * | 2016-11-24 | 2017-11-13 | Акционерное Общество "Газпромнефть - Московский Нпз" | Catalyst for riforming gasoline fractions and method of its production |
RU2664107C1 (en) * | 2018-03-12 | 2018-08-15 | Акционерное Общество "Газпромнефть - Московский Нпз" | Method of increasing activity and efficiency of catalyst of paraffin hydrocarbons c4-c6 isomerization |
KR20210083280A (en) * | 2018-10-30 | 2021-07-06 | 클라리언트 인터내셔널 리미티드 | Dehydrogenation catalyst and method of preparation and use thereof |
WO2021161327A1 (en) * | 2020-02-13 | 2021-08-19 | Hindustan Petroleum Corporation Limited | Reforming catalyst and a method of modification and application thereof |
RU2767681C1 (en) * | 2021-04-29 | 2022-03-18 | Публичное акционерное общество "Нефтяная компания "Роснефть" (ПАО "НК "Роснефть") | Gasoline fraction reforming catalyst and method for its production |
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US3736252A (en) * | 1969-05-28 | 1973-05-29 | Universal Oil Prod Co | Hydrotreating of hydrocarbons |
US3764557A (en) * | 1969-10-09 | 1973-10-09 | Chevron Res | Catalyst activation process and activated catalyst |
US4105590A (en) | 1972-03-25 | 1978-08-08 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Catalysts and the process for their production |
FR2187887A1 (en) | 1972-06-13 | 1974-01-18 | Inst Francais Du Petrole | Reforming with alumina/platinum/chromium catalyst - contg lanthanide(s) for increased activity and life |
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FR2286187A1 (en) | 1974-09-25 | 1976-04-23 | Catalyse Soc Prod Francais | HYDROCONVERSION CATALYSTS FOR HYDROCARBONS |
US3943070A (en) * | 1974-10-15 | 1976-03-09 | Universal Oil Products Company | Manufacture of spheroidal alumina particles |
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US4677094A (en) | 1986-09-22 | 1987-06-30 | Uop Inc. | Trimetallic reforming catalyst |
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US4963249A (en) * | 1989-07-03 | 1990-10-16 | Exxon Research & Engineering Company | Reforming using novel platinum-tin alumina catalysts |
CN1020378C (en) | 1990-03-17 | 1993-04-28 | 中国石油化工总公司 | Catalyst for reforming naphtha |
FR2676437B1 (en) | 1991-05-14 | 1993-09-17 | Rhone Poulenc Chimie | ALUMINA STABILIZED BY SILICA AND ITS PREPARATION PROCESS. |
US5739074A (en) * | 1993-07-19 | 1998-04-14 | Uop | Metal cation-modified alkylation catalysts |
FR2714305B1 (en) | 1993-12-29 | 1996-02-02 | Inst Francais Du Petrole | Catalyst for the reduction of the benzene content in gasolines. |
ES2169803T3 (en) * | 1995-06-16 | 2002-07-16 | Inst Francais Du Petrole | CATALYSTS USED IN HYDROCARBON TRANSFORMATION REACTIONS, CONTAINING A DOPING METAL. |
-
1996
- 1996-06-14 ES ES96922931T patent/ES2167583T3/en not_active Expired - Lifetime
- 1996-06-14 CA CA002225510A patent/CA2225510A1/en not_active Abandoned
- 1996-06-14 KR KR1019970709369A patent/KR100399306B1/en not_active IP Right Cessation
- 1996-06-14 EP EP96922931A patent/EP0831966B1/en not_active Expired - Lifetime
- 1996-06-14 CN CN96194732A patent/CN1088623C/en not_active Expired - Fee Related
- 1996-06-14 DE DE69616789T patent/DE69616789T2/en not_active Expired - Fee Related
- 1996-06-14 RU RU98100767/04A patent/RU2160635C2/en not_active IP Right Cessation
- 1996-06-14 WO PCT/FR1996/000918 patent/WO1997000130A1/en active IP Right Grant
- 1996-06-14 US US08/973,407 patent/US6218334B1/en not_active Expired - Fee Related
- 1996-06-14 JP JP9502727A patent/JPH11507591A/en active Pending
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