DE3650383T2 - Zer-IV-Oxyd enthaltende Zusammensetzung, ihre Herstellung und ihre Verwendungen. - Google Patents

Zer-IV-Oxyd enthaltende Zusammensetzung, ihre Herstellung und ihre Verwendungen.

Info

Publication number
DE3650383T2
DE3650383T2 DE3650383T DE3650383T DE3650383T2 DE 3650383 T2 DE3650383 T2 DE 3650383T2 DE 3650383 T DE3650383 T DE 3650383T DE 3650383 T DE3650383 T DE 3650383T DE 3650383 T2 DE3650383 T2 DE 3650383T2
Authority
DE
Germany
Prior art keywords
preparation
oxide
composition containing
containing cerium
stabilised
Prior art date
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 - Lifetime
Application number
DE3650383T
Other languages
English (en)
Other versions
DE3650383D1 (de
Inventor
Guy-Noel Sauvion
Jack Caillod
Claire Gourlaouen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9320915&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3650383(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE3650383D1 publication Critical patent/DE3650383D1/de
Publication of DE3650383T2 publication Critical patent/DE3650383T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • B01J23/10Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/12Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of actinides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/206Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224Oxides or hydroxides of lanthanides
    • C01F17/229Lanthanum oxides or hydroxides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/206Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224Oxides or hydroxides of lanthanides
    • C01F17/235Cerium oxides or hydroxides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/30Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/30Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
    • C01F17/32Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 oxide or hydroxide being the only anion, e.g. NaCeO2 or MgxCayEuO
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/64Nanometer sized, i.e. from 1-100 nanometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • C01P2006/13Surface area thermal stability thereof at high temperatures
DE3650383T 1985-07-03 1986-06-27 Zer-IV-Oxyd enthaltende Zusammensetzung, ihre Herstellung und ihre Verwendungen. Expired - Lifetime DE3650383T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8510137A FR2584388B1 (fr) 1985-07-03 1985-07-03 Composition a base d'oxyde cerique, sa preparation et ses utilisations

Publications (2)

Publication Number Publication Date
DE3650383D1 DE3650383D1 (de) 1995-10-05
DE3650383T2 true DE3650383T2 (de) 1996-03-21

Family

ID=9320915

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8686401421T Expired - Lifetime DE3685061D1 (de) 1985-07-03 1986-06-27 Zer-iv-oxydenthaltende zusammensetzung, ihre herstellung und ihre benutzungen.
DE3650383T Expired - Lifetime DE3650383T2 (de) 1985-07-03 1986-06-27 Zer-IV-Oxyd enthaltende Zusammensetzung, ihre Herstellung und ihre Verwendungen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8686401421T Expired - Lifetime DE3685061D1 (de) 1985-07-03 1986-06-27 Zer-iv-oxydenthaltende zusammensetzung, ihre herstellung und ihre benutzungen.

Country Status (7)

Country Link
US (1) US4940685A (de)
EP (2) EP0396159B1 (de)
JP (3) JPH0674145B2 (de)
AT (2) ATE127102T1 (de)
AU (1) AU596802B2 (de)
DE (2) DE3685061D1 (de)
FR (1) FR2584388B1 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596380B1 (fr) * 1986-03-26 1991-09-27 Rhone Poulenc Chimie Nouveau compose de cerium iv et son procede de preparation
FR2596381B1 (fr) * 1986-03-26 1988-05-27 Rhone Poulenc Chimie Oxydes ceriques a nouvelles caracteristiques morphologiques et leur procede d'obtention
US4714694A (en) * 1986-06-30 1987-12-22 Engelhard Corporation Aluminum-stabilized ceria catalyst compositions, and methods of making the same
AU595655B2 (en) * 1986-11-04 1990-04-05 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for the purification of exhaust gas
FR2608458B1 (fr) * 1986-12-23 1989-03-10 Rhone Poulenc Chimie Catalyseur a base d'oxyde de cerium et procede pour le traitement de gaz industriels contenant des composes du soufre
US4839146A (en) * 1987-04-15 1989-06-13 General Motors Corporation Catalyst for simultaneous NO decomposition and CO oxidation under cycled operating conditions
FR2616769B1 (fr) * 1987-06-17 1990-11-30 Rhone Poulenc Chimie Procede d'obtention d'un oxyde de terre rare et produit obtenu
FR2617153B1 (fr) * 1987-06-26 1991-04-05 Rhone Poulenc Chimie Procede d'obtention d'un oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
FR2632945B1 (fr) * 1988-06-15 1991-02-08 Rhone Poulenc Chimie Procede d'obtention d'un oxyde cerique de grande surface specifique
FR2617154B1 (fr) * 1987-06-29 1990-11-30 Rhone Poulenc Chimie Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
DE3864932D1 (de) * 1987-06-29 1991-10-24 Rhone Poulenc Chimie Verfahren zur gewinnung eines ceriumoxids.
FR2640611A1 (fr) * 1988-12-16 1990-06-22 Rhone Poulenc Chimie Oxyde de terre rare a nouvelles caracteristiques morphologiques et son procede d'obtention
US5279789A (en) * 1988-12-23 1994-01-18 Rhone-Poulenc Chimie Ceric oxide particulates having improved morphology
GB2236750B (en) * 1989-09-08 1993-11-17 United Technologies Corp Ceramic material and insulating coating made thereof
FR2655972B1 (fr) * 1989-12-15 1992-04-24 Rhone Poulenc Chimie Procede de preparation d'une dispersion collouidale d'un compose de cerium iv en milieu aqueux et dispersions obtenues.
ZA909211B (en) * 1990-02-23 1991-09-25 Grace W R & Co High surface area ceria
US5063193A (en) * 1990-06-06 1991-11-05 General Motors Corporation Base metal automotive exhaust catalysts with improved activity and stability and method of making the catalysts
US5263998A (en) * 1990-08-22 1993-11-23 Imperial Chemical Industries Plc Catalysts
GB9018409D0 (en) * 1990-08-22 1990-10-03 Ici Plc Catalysts
US5081095A (en) * 1990-09-10 1992-01-14 General Motors Corporation Method of making a support containing an alumina-ceria washcoat for a noble metal catalyst
FR2677347B1 (fr) * 1991-06-05 1993-08-20 Rhone Poulenc Chimie Composition a base d'oxyde cerique, sa preparation et ses utilisations.
FR2684662B1 (fr) * 1991-12-09 1994-05-06 Rhone Poulenc Chimie Composition a base d'oxyde cerique, preparation et utilisation.
FI90631C (fi) * 1992-04-23 1994-03-10 Kemira Oy Menetelmä katalyytissä käytettävän tukiaineen parantamiseksi
FR2695574B1 (fr) * 1992-09-15 1994-11-04 Rhone Poulenc Chimie Composition à base d'oxyde cérique, préparation et utilisation.
FR2699524B1 (fr) * 1992-12-21 1995-02-10 Rhone Poulenc Chimie Composition à base d'un oxyde mixte de cérium et de zirconium, préparation et utilisation.
FR2719502B1 (fr) * 1994-05-09 1996-06-07 Rhone Poulenc Chimie Dispersion colloïdale à base d'oxyde de cérium et d'oxyde de titane son procédé de préparation, son application au revêtement de substrats et substrats ainsi revêtus.
US5580535A (en) * 1994-07-07 1996-12-03 Engelhard Corporation System and method for abatement of food cooking fumes
US5556825A (en) * 1995-01-06 1996-09-17 Ford Motor Company Automotive catalysts with improved oxygen storage and metal dispersion
US5750090A (en) * 1996-05-27 1998-05-12 Nippon Inorganic Colour & Chemical Co., Ltd. Silica-cerium oxide composite particles, method for the preparation thereof and resin composition and a cosmetic composition compounded therewith
US5919727A (en) * 1996-11-14 1999-07-06 W. R. Grace & Co.-Conn. Ceric oxide washcoat
JP3992402B2 (ja) * 1999-05-25 2007-10-17 株式会社コーセー 金属酸化物固溶酸化セリウムからなる紫外線遮断剤並びにそれを配合した樹脂組成物及び化粧料
US6204219B1 (en) * 1999-07-29 2001-03-20 W. R. Grace & Co.-Conn. Thermally stable support material and method for making the same
DE60100918T2 (de) * 2000-04-27 2004-05-13 Haldor Topsoe A/S Verfahren zur Herstellung eines wasserstoffreichen Gases
FR2811908B1 (fr) 2000-07-24 2003-04-04 Rhodia Terres Rares Procede de traitement d'un gaz pour la reduction de l'emission des oxydes d'azote avec un catalyseur a base de rhodium avec du palladium et/ou du platine
DE10132442A1 (de) * 2001-07-04 2003-01-23 Studiengesellschaft Kohle Mbh Katalysatoren auf Ceroxid-Basis und deren Verwendung zur katalytischen Verbrennung
GB0126663D0 (en) * 2001-11-06 2002-01-02 Oxonica Ltd Cerium oxide nanoparticles
US6596042B1 (en) * 2001-11-16 2003-07-22 Ferro Corporation Method of forming particles for use in chemical-mechanical polishing slurries and the particles formed by the process
FR2848784B1 (fr) * 2002-12-20 2005-01-21 Rhodia Elect & Catalysis Cigarette comprenant dans son filtre un catalyseur a base d'oxyde de cerium pour le traitement des fumees
US7202194B2 (en) 2003-03-17 2007-04-10 Umicore Ag & Co. Kg Oxygen storage material, process for its preparation and its application in a catalyst
EP1712278B1 (de) * 2004-12-20 2017-08-16 Tanaka Kikinzoku Kogyo Kabushiki Kaisha Verbrennungskatalysator zur behandlung von dieselabgas und verfahren zur behandlung von dieselabgas
JP5140909B2 (ja) * 2005-07-14 2013-02-13 住友大阪セメント株式会社 酸化アルミニウム含有希土類元素添加酸化セリウム粉体
DE102005038136A1 (de) * 2005-08-12 2007-02-15 Degussa Ag Ceroxid-Pulver und Ceroxid-Dispersion
JP5008355B2 (ja) * 2006-06-30 2012-08-22 第一稀元素化学工業株式会社 酸化セリウム−酸化ジルコニウム系複合酸化物及びその製造方法
FR2917646B1 (fr) * 2007-06-20 2011-06-03 Anan Kasei Co Ltd Oxyde mixte a haute surface specifique de cerium et d'autre terre rare, procede de preparation et utilisation en catalyse
JP4924366B2 (ja) * 2007-11-07 2012-04-25 豊田合成株式会社 燃料給油装置
KR101805599B1 (ko) * 2009-11-25 2017-12-07 솔베이 스페셜켐 재팬 가부시키가이샤 복합 산화물, 그 제조법 및 배기가스 정화용 촉매
CN102711982B (zh) * 2009-11-25 2015-04-22 阿南化成株式会社 复合氧化物、其制备方法和废气净化用催化剂
CA2785411C (en) * 2009-12-25 2018-06-19 Anan Kasei Co., Ltd. Complex oxide, method for producing same, and exhaust gas purifying catalyst
FR2962431B1 (fr) 2010-07-07 2018-01-19 Rhodia Operations Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse.
FR2965189A1 (fr) 2010-09-29 2012-03-30 Rhodia Operations Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium
CN103561863B (zh) * 2011-06-01 2016-08-24 罗地亚运作公司 复合氧化物、其制造方法以及排气净化催化剂
JP5911858B2 (ja) * 2011-06-01 2016-04-27 ロデイア・オペラシヨン 複合酸化物、その製造法及び排ガス浄化用触媒
KR102350893B1 (ko) 2014-06-24 2022-01-13 로디아 오퍼레이션스 금속 도핑된 세륨 산화물 조성물
JP7069805B2 (ja) * 2017-02-21 2022-05-18 日本製鉄株式会社 水素の製造方法及び水素製造用の酸化セリウム触媒
JP6802524B2 (ja) * 2017-03-24 2020-12-16 株式会社豊田中央研究所 メタン化触媒担体、それを用いたメタン化触媒及びメタンの製造方法
US11433376B2 (en) * 2017-05-11 2022-09-06 Rhodia Operations Mixed oxide with enhanced resistance and NOx storage capacity
CN108410424B (zh) * 2018-05-10 2020-07-10 清华大学 镧系金属掺杂二氧化铈纳米磨粒的制备方法和应用

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1257058A (fr) * 1960-02-13 1961-03-31 Westinghouse Freins & Signaux Dispositif de commande de freins à pression fluide avec circuits de freinage indépendants
FR1562275A (de) 1968-02-23 1969-04-04
US3752774A (en) * 1971-06-07 1973-08-14 Du Pont Zirconia silica promoted cobalt oxide catalyst
US3830756A (en) * 1972-08-04 1974-08-20 Grace W R & Co Noble metal catalysts
US3980763A (en) * 1973-10-25 1976-09-14 Union Carbide Corporation Process and composition for separation of oxygen from air using Pr-Ce as the carrier
US4062810A (en) * 1974-03-14 1977-12-13 Hoechst Aktiengesellschaft Carrier-supported catalyst
JPS609978B2 (ja) * 1977-08-22 1985-03-14 東レ株式会社 酸素イオン伝導性固体電解質
WO1979000248A1 (en) * 1977-11-01 1979-05-17 Atomic Energy Authority Uk Production of dispersions
US4211758A (en) * 1978-12-26 1980-07-08 Gte Laboratories Incorporated Ceramic compositions and articles prepared therefrom
JPS5626547A (en) * 1979-08-11 1981-03-14 Toyota Motor Corp Manufacture of catalyst support
JPS607537B2 (ja) * 1980-10-03 1985-02-25 キヤタラ−工業株式会社 排ガス浄化用触媒
JPS57191227A (en) * 1981-05-19 1982-11-25 Kasei Optonix Co Ltd Production of lanthanoid aluminate
EP0078098B1 (de) * 1981-08-07 1986-05-14 United Kingdom Atomic Energy Authority Cerium-Verbindungen
GB2102780B (en) * 1981-08-07 1985-04-03 Atomic Energy Authority Uk Improvements in or relating to compounds
JPS58114730A (ja) * 1981-12-28 1983-07-08 Tokuyama Soda Co Ltd メタノ−ル合成用触媒
US4490567A (en) * 1982-04-08 1984-12-25 Phillips Petroleum Company Catalyst and process for dehydrating 2-alcohols
GB2119277B (en) * 1982-05-03 1985-11-20 Air Prod & Chem Olefin synthesis catalysts
IT1190839B (it) * 1982-05-27 1988-02-24 Anic Spa Procedimento per la isomerizzazione di legame delle olefine
FR2545830B1 (fr) * 1983-05-13 1986-01-03 Rhone Poulenc Spec Chim Nouvelle composition de polissage a base de cerium et son procede de fabrication
FR2546078B1 (fr) * 1983-05-19 1987-05-07 Pro Catalyse Procede de fabrication de catalyseurs pour le traitement des gaz d'echappement des moteurs a combustion interne
FR2559754A1 (fr) * 1984-02-20 1985-08-23 Rhone Poulenc Spec Chim Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
US4585752A (en) * 1984-08-15 1986-04-29 W. R. Grace & Co. Catalyst composition for ultra high temperature operation

Also Published As

Publication number Publication date
EP0207857A2 (de) 1987-01-07
ATE75461T1 (de) 1992-05-15
JPH0674145B2 (ja) 1994-09-21
EP0207857B1 (de) 1992-04-29
AU5948986A (en) 1987-02-05
EP0207857A3 (en) 1987-09-02
JPS6256322A (ja) 1987-03-12
JPH07165419A (ja) 1995-06-27
FR2584388B1 (fr) 1991-02-15
FR2584388A1 (fr) 1987-01-09
ATE127102T1 (de) 1995-09-15
DE3650383D1 (de) 1995-10-05
EP0396159B1 (de) 1995-08-30
JPH0664920A (ja) 1994-03-08
DE3685061D1 (de) 1992-06-04
EP0396159A3 (de) 1991-10-23
EP0396159A2 (de) 1990-11-07
JP2617408B2 (ja) 1997-06-04
JP2670983B2 (ja) 1997-10-29
AU596802B2 (en) 1990-05-17
US4940685A (en) 1990-07-10

Similar Documents

Publication Publication Date Title
DE3650383T2 (de) Zer-IV-Oxyd enthaltende Zusammensetzung, ihre Herstellung und ihre Verwendungen.
ES2038148T3 (es) Preparaciones cosmeticas.
DK596586D0 (da) N-benzoylurinstofforbindelser, fremgangsmaade til fremstilling af samme samt antitumorsammensaetning indeholdende disse
ES531072A0 (es) Procedimiento de preparacion de nuevas 3-hidroflavonas diversamente sustituidas sobre el oxigeno en posicion 3
DE3688036D1 (de) Hochdruckmischkopf fuer reaktive bestandteile.
DE3673066D1 (de) Fluorelastomerzusammensetzung und diese enthaltende waermeschrumpfbare gegenstaende.
DE3670076D1 (de) Acrylatverbindung und diese enthaltende zusammensetzung.
DE3683448D1 (de) Vulkanisierbare zusammensetzungen von fluorelastomeren mit verarbeitbarkeit und chemischer stabilitaet.
IT1190325B (it) Circuito di polarizzazione per dispositivi integrati in tecnologia mos,particolarmente di tipo misto digitale-analogico
DE3675895D1 (de) Geformte gegenstaende aus feuerfesten oxiden.
DE3784390D1 (de) Zusammensetzung und analytisches element mit stabilisiertem peroxydase.
DE3581807D1 (de) Halbleiteroxyd fuer thermistor und dessen herstellung.
DE3671446D1 (de) 5-aralkylsubstituierte 2h-benztriazole und stabilisierte zusammensetzungen.
DE69032560T2 (de) Monochlor-tetrafluoräthan und äthylenoxid enthaltende sterilisierungsgaszusammensetzung
DE68905867T2 (de) Metalloxid enthaltende mischung.
DE3685713D1 (de) Chirale rhodium-diphosphinkomplexe fuer asymmetrische hydrierungen.
IT8619032A0 (it) Perfezionamenti apportati al trattamento di materiali in particelle.
IT8621874A0 (it) Procedimento di preparazione di additivi surbasati molto fluidi e a basicita' elevata, e composizione contenente i detti additivi.
DE69400945D1 (de) Herstellung von Siliziumnitrid-Pulver mit hohem Alpha-Gehalt
ATE54181T1 (de) Korrosionsinhibierende zusammensetzung.
DE58909846D1 (de) Siliciumnitridpulver mit geringem Sauerstoffgehalt
DE3669656D1 (de) Azanaphthalene enthaltende arzneimittelzusammensetzungen.
IT1203749B (it) Miscele di composti formazilici,loro preparazione e loro impiego come coloranti reattivi
NZ219631A (en) Vaccine composition with interferon as adjuvant
ATE69799T1 (de) Kaliumacetylsalicylat enthaltende zusammensetzung und deren herstellung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition