ATE383324T1 - Verfahren zur herstellung eines heizelements vom molybdänsilizid-typ und heizelement - Google Patents

Verfahren zur herstellung eines heizelements vom molybdänsilizid-typ und heizelement

Info

Publication number
ATE383324T1
ATE383324T1 AT03707280T AT03707280T ATE383324T1 AT E383324 T1 ATE383324 T1 AT E383324T1 AT 03707280 T AT03707280 T AT 03707280T AT 03707280 T AT03707280 T AT 03707280T AT E383324 T1 ATE383324 T1 AT E383324T1
Authority
AT
Austria
Prior art keywords
heating element
molybdenum silicide
producing
silicide type
molybdenum
Prior art date
Application number
AT03707280T
Other languages
English (en)
Inventor
Mats Sundberg
Hans Pettersson
Anders Magnusson
Original Assignee
Sandvik Intellectual Property
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 Sandvik Intellectual Property filed Critical Sandvik Intellectual Property
Application granted granted Critical
Publication of ATE383324T1 publication Critical patent/ATE383324T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component
    • H01C17/0656—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component composed of silicides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/148—Silicon, e.g. silicon carbide, magnesium silicide, heating transistors or diodes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/58085—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/58085—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicides
    • C04B35/58092—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicides based on refractory metal silicides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3891—Silicides, e.g. molybdenum disilicide, iron silicide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • C04B2235/402—Aluminium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49083—Heater type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Resistance Heating (AREA)
  • Ceramic Products (AREA)
AT03707280T 2002-04-05 2003-03-06 Verfahren zur herstellung eines heizelements vom molybdänsilizid-typ und heizelement ATE383324T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0201042A SE521794C2 (sv) 2002-04-05 2002-04-05 Tillverkningsförfarande för ett värmeelement av molybdensilicidtyp, jämte ett värmeelement

Publications (1)

Publication Number Publication Date
ATE383324T1 true ATE383324T1 (de) 2008-01-15

Family

ID=20287505

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03707280T ATE383324T1 (de) 2002-04-05 2003-03-06 Verfahren zur herstellung eines heizelements vom molybdänsilizid-typ und heizelement

Country Status (11)

Country Link
US (1) US8053710B2 (de)
EP (1) EP1492739B1 (de)
JP (1) JP2005522401A (de)
KR (1) KR100635962B1 (de)
CN (1) CN100340528C (de)
AT (1) ATE383324T1 (de)
AU (1) AU2003208687A1 (de)
DE (1) DE60318563T2 (de)
ES (1) ES2298501T3 (de)
SE (1) SE521794C2 (de)
WO (1) WO2003087014A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100460111C (zh) * 2007-01-04 2009-02-11 北京科技大学 一种高强度的二硅化钼复合材料及其制备方法
CN102405198A (zh) * 2009-05-05 2012-04-04 山特维克知识产权股份有限公司 加热元件
KR102198655B1 (ko) * 2018-03-18 2021-01-06 산드빅 인터렉츄얼 프로퍼티 에이비 가열 요소
EP3777473B1 (de) * 2018-03-26 2021-11-24 Leister Technologies AG Keramischer heizwiderstand, elektrisches heizelement sowie vorrichtung zur erwärmung eines fluides

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE204116C1 (de) * 1965-01-01
GB795004A (en) * 1954-09-18 1958-05-14 Siemens Planiawerke Ag Improvements in or relating to working elements, for example resistance heating elements, for use at high temperatures in an atmosphere containing oxygen
US2992959A (en) * 1958-02-20 1961-07-18 Kanthal Ab Production of shaped bodies from heat resistant oxidation proof materials
US2955145A (en) * 1958-07-16 1960-10-04 Kanthal Ab Thermo-electric alloys
DE1243078B (de) * 1961-11-09 1967-06-22 Sigri Elektrographit Gmbh Sinterkoerper, vorzugsweise zur Verwendung als Heizelement
SE301519B (de) * 1966-10-24 1968-06-10 Kanthal Ab
US3662222A (en) * 1970-05-07 1972-05-09 Itt Electric resistance wire igniter with a cooling terminal posts construction
US3725091A (en) * 1971-04-12 1973-04-03 Corning Glass Works Glass-ceramic metal cermets and method
US4101724A (en) * 1976-06-30 1978-07-18 Brown Boveri Corporation Furnace conversion method and apparatus
JPS58209084A (ja) 1982-05-28 1983-12-05 株式会社日立製作所 直熱形ヒ−タ材
JPH0785435B2 (ja) * 1991-09-27 1995-09-13 中外エンジニアリング株式会社 電気発熱体
CZ172294A3 (en) * 1992-01-16 1995-05-17 Univ Cincinnati Mixture for preparing composite materials, process for preparing ceramic composite articles, electric heating element and the ceramic composite article
JPH088140B2 (ja) * 1992-05-08 1996-01-29 株式会社リケン 二珪化モリブデンヒータの製造方法
EP0635993B1 (de) * 1993-07-20 2000-05-17 TDK Corporation Keramisches Heizelement
US5750958A (en) * 1993-09-20 1998-05-12 Kyocera Corporation Ceramic glow plug
SE504235C2 (sv) 1995-04-11 1996-12-09 Kanthal Ab Elektriskt motståndselement av molybdensilicidtyp
JPH10139548A (ja) * 1996-11-05 1998-05-26 Koichi Niihara 二珪化モリブデン系複合材料およびその製造方法
SE512980C2 (sv) * 1998-10-22 2000-06-12 Flaekt Ab Filteranordning för luftkanaler eller luftbehandlingsaggregat
SE520251C2 (sv) * 1999-05-20 2003-06-17 Sandvik Ab Motståndselement av molybdensilicidtyp för sintring av metallpulver
SE513990C2 (sv) 1999-11-18 2000-12-11 Sandvik Ab Molybdensilicid-material med hög hållfasthet
GB2349785B (en) * 1999-12-06 2001-03-28 Kanthal Ltd Electrical heating elements
SE519027C2 (sv) 2000-05-18 2002-12-23 Sandvik Ab Förfarande för att öka livslängden hos värmeelement vid lägre temperatur
SE520149C2 (sv) * 2000-09-29 2003-06-03 Sandvik Ab Förfarande för att öka livslängden hos värmeelement av molybdensilicidtyp vid lägre temperatur
SE520148C3 (sv) 2000-11-24 2003-07-16 Sandvik Ab Förfarande för att öka livslängden hos värmeelement av molybdendisilicidtyp vid värmebehandling av elektroniska keramer
JP4294232B2 (ja) * 2001-05-02 2009-07-08 日本特殊陶業株式会社 セラミックヒータ及びそれを用いたグロープラグ
SE521882C2 (sv) 2001-06-21 2003-12-16 Sandvik Ab Förfarande för framställning av en enfassammansättning innefattande metall
US6582759B1 (en) * 2002-02-15 2003-06-24 3M Innovative Properties Company Optical elements comprising a fluorinated surface treatment comprising urethane, ester or phosphate linkages

Also Published As

Publication number Publication date
ES2298501T3 (es) 2008-05-16
DE60318563D1 (de) 2008-02-21
CN100340528C (zh) 2007-10-03
CN1642873A (zh) 2005-07-20
US8053710B2 (en) 2011-11-08
EP1492739B1 (de) 2008-01-09
EP1492739A1 (de) 2005-01-05
DE60318563T2 (de) 2008-12-24
SE521794C2 (sv) 2003-12-09
SE0201042L (sv) 2003-10-06
AU2003208687A1 (en) 2003-10-27
KR20040105844A (ko) 2004-12-16
WO2003087014A1 (en) 2003-10-23
US20050236399A1 (en) 2005-10-27
SE0201042D0 (sv) 2002-04-05
KR100635962B1 (ko) 2006-10-19
JP2005522401A (ja) 2005-07-28

Similar Documents

Publication Publication Date Title
DE60141706D1 (de) Verbindungen mit fungizider wirkung und verfahren zur ihrer herstellung und verwendung
DE602005025396D1 (de) Verfahren zur herstellung von drospirenon
DE60139818D1 (de) Target zur Bildung einer Hartschicht
DE69912564D1 (de) Siliziumkarbid-Verbundwerkstoff, Verfahren zu seiner Herstellung und Wärmeableitungsanordnung, die diesen verwendet
WO2008132314A3 (fr) Procede de synthese de nanoparticules metalliques cubiques en presence de deux reducteurs
DE60319181D1 (de) PTC Zusammensetzung, Verfahren zur Herstellung derselben und daraus erhaltener Thermistorkörper
DE60139428D1 (de) Konjugiertes Dienkautschukgel, Kautschukzusammensetzungen die dieses enthalten und Verfahren zur Herstellung von konjugiertem Dienkautschuk
DE69928681D1 (de) Neue ammoniumoctamolybdat zusammensetzung und verfahren zu dessen herstellung
DE60225433D1 (de) Verfahren zur herstellung von 1,3-substituierte indene und aryl-annellierte azapolycyclische verbindungen
DE50202854D1 (de) Bauteilverbund, insbesondere ventil, und verfahren zur herstellung desselben
DE60117651D1 (de) Bioabbaubare Zusammensetzung und Verfahren zur deren Herstellung
SE0300056D0 (sv) New glass material
DE60209537D1 (de) Neue kristalline formen von meloxicam, deren herstellung und verfahren zu deren umwandlung ineinander
DE60131979D1 (de) Beschichtungsmaterial zur herstellung von titaniumoxidfilmen, herstellungsverfahren und nutzung dieses beschichtungsmaterials
ATE395985T1 (de) Beschichtungsverfahren und beschichtungsmittel
ATE383324T1 (de) Verfahren zur herstellung eines heizelements vom molybdänsilizid-typ und heizelement
BRPI0417360A (pt) método para a preparação de multiparticulados farmacêuticos
ATE329930T1 (de) Fsh-zusammensetzungen mit hohem sialylierungsgrad und deren verwendung zur herstellung von arzneimitteln
ATE315064T1 (de) Polyorganosiloxan-zusammensetzung
DE60001433D1 (de) Alpha, beta-ungesättigte Ketone
ATE355296T1 (de) Verfahren zur herstellung von (e,z) 3-(2- aminoethoxyimino)-androstane-6,17-dione und analoge
ATE309800T1 (de) Verwendung einer kombinationszusammensetzung bestehend aus propionyl l-carnitin und weiteren wirkstoffen zur behandlung der erektilen dysfunktion
ATE385232T1 (de) Verfahren zur herstellung von 3, 3', 6, 6'- tetraalkylen-2, 2'-biphenolen und 3, 3', 6, 6'- tetraalkylen-5, 5'-dihalo-2, 2' biphenolen
ATE219319T1 (de) Otoplastik für ein hörgerät
DE602004031129D1 (de) Verfahren zur herstellung von quetiapin

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties