BR9903379A - Processo para a preparação de materiais cerâmicos resistentes a temperaturas elevadas, com um coeficiente de dilatação térmica ajustável, e sua aplicação. - Google Patents

Processo para a preparação de materiais cerâmicos resistentes a temperaturas elevadas, com um coeficiente de dilatação térmica ajustável, e sua aplicação.

Info

Publication number
BR9903379A
BR9903379A BR9903379-8A BR9903379A BR9903379A BR 9903379 A BR9903379 A BR 9903379A BR 9903379 A BR9903379 A BR 9903379A BR 9903379 A BR9903379 A BR 9903379A
Authority
BR
Brazil
Prior art keywords
preparation
high temperatures
thermal expansion
materials resistant
application
Prior art date
Application number
BR9903379-8A
Other languages
English (en)
Other versions
BR9903379B1 (pt
Inventor
Janusz Dr Zborowski
Uwe Dr Eichhorn
Bartolome Aloy-Dols
Original Assignee
Schott Glas
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=27425291&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9903379(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to DE19803327A priority Critical patent/DE19803327C2/de
Priority to EP99113390A priority patent/EP1072569B1/de
Priority to US09/359,273 priority patent/US6274525B1/en
Application filed by Schott Glas filed Critical Schott Glas
Priority to BRPI9903379-8A priority patent/BR9903379B1/pt
Publication of BR9903379A publication Critical patent/BR9903379A/pt
Publication of BR9903379B1 publication Critical patent/BR9903379B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • C03B5/1672—Use of materials therefor
    • C03B5/1675—Platinum group metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C03B37/095—Use of materials therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • C03B5/1672—Use of materials therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
    • C03B5/43—Use of materials for furnace walls, e.g. fire-bricks
    • 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
    • C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • C04B35/043—Refractories from grain sized mixtures
    • 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
    • C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • C04B35/053—Fine 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
    • 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
    • C04B35/44—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 aluminates
    • C04B35/443—Magnesium aluminate spinel
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/6303—Inorganic additives
    • 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
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
    • C04B41/5122—Pd or Pt
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/88—Metals
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • 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
    • C04B2235/32—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
    • C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Patente de Invenção: "<B>PROCESSO PARA A PREPARAçãO DE MATERIAIS CERâMICOS RESISTENTES A TEMPERATURAS ELEVADAS, COM UM COEFICIENTE DE DILATAçãO TéRMICA AJUSTáVEL, E SUA APLICAçãO"<D>. Processo para a preparação de materiais resistentes a elevadas temperaturas, cerâmicas, a partir do sistema MgO - Al~ 2~O~ 3~, com um coeficiente de dilatação térmica <244> de platina e de suas ligas, que se situa na faixa de 9 x 10~ -6~K~ -1~ até 15 x 10~ -6~ K~ -1~, sendo que as misturas de componentes, que contêm óxido de magnésio (MgO) com frações entre 30 - 99 partes em peso e aluminato de magnésio (MgAl~ 2~O~ 4~ ) com frações entre 1 - 70 partes em peso, em cada caso, em diferentes distribuições de tamanhos de grãos, sendo que, pela escolha das misturas e da distribuição dos tamanhos de partícula nas misturas, ajusta-se o coeficiente de dilatação.
BRPI9903379-8A 1998-01-29 1999-08-03 processo para a preparaÇço de materiais cerÂmicos resistentes a temperaturas elevadas, com um coeficiente de dilataÇço tÉrmica ajustÁvel, e uso dos mesmos. BR9903379B1 (pt)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19803327A DE19803327C2 (de) 1998-01-29 1998-01-29 Verfahren zur Herstellung von keramischen hochtemperaturbeständigen Werkstoffen mit einem einstellbaren thermischen Ausdehnungskoeffizienten und deren Verwendung
EP99113390A EP1072569B1 (de) 1998-01-29 1999-07-10 Verfahren zur Herstellung von keramischen hochtemperaturbeständigen Werkstoffen mit einem einstellbaren thermischen Ausdehnungskoeffizienten und deren Verwendung
US09/359,273 US6274525B1 (en) 1998-01-29 1999-07-22 Process for making a high temperature-resistant ceramic material with an adjustable thermal expansion coefficient and method of use of same
BRPI9903379-8A BR9903379B1 (pt) 1998-01-29 1999-08-03 processo para a preparaÇço de materiais cerÂmicos resistentes a temperaturas elevadas, com um coeficiente de dilataÇço tÉrmica ajustÁvel, e uso dos mesmos.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19803327A DE19803327C2 (de) 1998-01-29 1998-01-29 Verfahren zur Herstellung von keramischen hochtemperaturbeständigen Werkstoffen mit einem einstellbaren thermischen Ausdehnungskoeffizienten und deren Verwendung
EP99113390A EP1072569B1 (de) 1998-01-29 1999-07-10 Verfahren zur Herstellung von keramischen hochtemperaturbeständigen Werkstoffen mit einem einstellbaren thermischen Ausdehnungskoeffizienten und deren Verwendung
US09/359,273 US6274525B1 (en) 1998-01-29 1999-07-22 Process for making a high temperature-resistant ceramic material with an adjustable thermal expansion coefficient and method of use of same
BRPI9903379-8A BR9903379B1 (pt) 1998-01-29 1999-08-03 processo para a preparaÇço de materiais cerÂmicos resistentes a temperaturas elevadas, com um coeficiente de dilataÇço tÉrmica ajustÁvel, e uso dos mesmos.

Publications (2)

Publication Number Publication Date
BR9903379A true BR9903379A (pt) 2001-03-13
BR9903379B1 BR9903379B1 (pt) 2009-01-13

Family

ID=27425291

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9903379-8A BR9903379B1 (pt) 1998-01-29 1999-08-03 processo para a preparaÇço de materiais cerÂmicos resistentes a temperaturas elevadas, com um coeficiente de dilataÇço tÉrmica ajustÁvel, e uso dos mesmos.

Country Status (4)

Country Link
US (1) US6274525B1 (pt)
EP (1) EP1072569B1 (pt)
BR (1) BR9903379B1 (pt)
DE (1) DE19803327C2 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50001898D1 (de) 1999-06-24 2003-05-28 Siemens Ag Keramischer werkstoff, verfahren, verwendung und schicht
DE19944270B4 (de) * 1999-09-15 2005-09-15 Schott Ag Verfahren zum Abschirmen von Oberflächen von Werkzeugen der Glasherstellung und der Glasverarbeitung und Werkzeug
DE10048815C1 (de) 2000-09-29 2002-01-03 Schott Glas Vorrichtung zur Herstellung eines Glasstranges
JP4234330B2 (ja) * 2001-02-09 2009-03-04 品川白煉瓦株式会社 不定形耐火組成物
US20020134287A1 (en) 2001-03-23 2002-09-26 Olin-Nunez Miguel Angel Method and system for feeding and burning a pulverized fuel in a glass melting furnace, and burner for use in the same
EP1260289A1 (en) * 2001-05-21 2002-11-27 University of Patras Porous plug for treatment of molten metals
DE10141586C1 (de) * 2001-08-24 2002-10-24 Schott Glas Rohrziehnadel, Verfahren und Verwendung für das Vello und Down Draw Verfahren
DE10160366C2 (de) * 2001-12-08 2003-10-02 Refractory Intellectual Prop Gebranntes feuerfestes keramisches Formteil, seine Verwendung und Versatz zur Herstellung des Formteils
EP1680369B1 (en) 2003-10-30 2012-01-04 Umicore AG & Co. KG Danner pipe
US20070045884A1 (en) * 2005-08-30 2007-03-01 Refractory Intellectual Property Gmbh & Co. Kg Procedure for the production of a fireproof ceramic product, use of the product and procedure for the change of a melt with the product
DE102006040270B4 (de) * 2006-08-28 2009-06-10 Refractory Intellectual Property Gmbh & Co. Kg Gebranntes feuerfestes Produkt
DE102007018610A1 (de) * 2007-04-18 2008-10-23 Ceramtec Ag Innovative Ceramic Engineering Keramischer Werkstoff mit einer Zusammensetzung, die auf einen durch einen metallischen Werkstoff vorgegebenen Wärmeausdehnungskoeffizient abgestimmt ist
WO2010067669A1 (ja) * 2008-12-11 2010-06-17 旭硝子株式会社 溶融ガラス搬送設備要素およびガラス製造装置
WO2012022364A1 (en) 2010-08-18 2012-02-23 Services Petroliers Schlumberger Compositions and methods for well completions
US8776551B2 (en) 2011-05-23 2014-07-15 Johns Manville Transverse row bushings having ceramic supports
JP6584325B2 (ja) 2013-02-20 2019-10-02 エリコン メテコ（ユーエス）インコーポレイテッド 熱溶射被覆のための電気絶縁材料、及び当該材料を基材に適用する方法
US11104616B2 (en) * 2015-09-30 2021-08-31 Apple Inc. Ceramic having a residual compressive stress for use in electronic devices
US10759697B1 (en) 2019-06-11 2020-09-01 MSB Global, Inc. Curable formulations for structural and non-structural applications
DE102022125252A1 (de) 2022-09-30 2024-04-04 Schott Ag Gießmassen, Verbundmaterial und Rinnensysteme mit stabilisierender Gießmasse
CN115894051A (zh) * 2022-11-30 2023-04-04 贵阳航发精密铸造有限公司 一种硅基陶瓷型芯专用烧结收缩调节剂及其制备方法
CN116396063B (zh) * 2023-03-27 2024-02-27 宜兴金君耐火炉料有限公司 一种用于低氧铜杆生产中抵抗铜液侵蚀与剥落的99浇注料

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1471174B2 (de) * 1963-07-27 1970-12-03 General Electric Co., Schenectady, N.Y. (V.St.A.) Verbundkörper aus Metall und Keramik
US4400474A (en) * 1982-04-26 1983-08-23 Uss Engineers & Consultants, Inc. Basic refractory cementitious material and components thereof
DE3532228A1 (de) * 1984-10-02 1986-04-17 Toshiba Ceramics Co., Ltd., Tokio/Tokyo Feuerfeste zusammensetzung
DE3445482C2 (de) * 1984-12-13 1986-10-16 Didier-Werke Ag, 6200 Wiesbaden Feuerfester Stein
US5021374A (en) * 1987-11-17 1991-06-04 Dresser Industries, Inc. Dead-burned magnesite and magnesia-alumina spinel refractory composition
EP0531130A3 (en) * 1991-09-04 1993-09-29 Dresser Industries Inc. Improved magnesite-spinel refractory product and method for making same
US5283215A (en) * 1991-11-26 1994-02-01 Ceramic Co., Ltd. Harima Refractories for casting process
JPH07126061A (ja) * 1993-09-10 1995-05-16 Kounoshima Kagaku Kogyo Kk マグネシア系焼結体及びその製造方法
DE4338484C1 (de) * 1993-11-11 1994-12-01 Veitsch Radex Ag Verwendung eines feuerfesten, keramischen Steins auf Basis von MgO zur Auskleidung von Zement-Drehrohröfen
DE4403869C2 (de) * 1994-02-08 1998-01-15 Veitsch Radex Ag Feuerfester keramischer Versatz und dessen Verwendung
DE19515490A1 (de) 1995-04-27 1996-10-31 Abb Patent Gmbh Keramischer Werkstoff sowie Verfahren zu seiner Herstellung
DE19518468C2 (de) 1995-05-19 1998-07-16 Veitsch Radex Ag Verwendung einer wasserhaltigen, feuerfesten keramischen Gießmasse

Also Published As

Publication number Publication date
BR9903379B1 (pt) 2009-01-13
EP1072569A1 (de) 2001-01-31
US6274525B1 (en) 2001-08-14
DE19803327C2 (de) 1999-12-09
DE19803327A1 (de) 1999-08-05
EP1072569B1 (de) 2002-10-23

Similar Documents

Publication Publication Date Title
BR9903379A (pt) Processo para a preparação de materiais cerâmicos resistentes a temperaturas elevadas, com um coeficiente de dilatação térmica ajustável, e sua aplicação.
Simizu et al. Structural proteins of Chikungunya virus
Schairer et al. The System K 2 O-Al 2 O 3-SiO 2
BR9908015A (pt) Composições que compreendem vìrus e métodos para concentração de preparações de vìrus
BR9913878A (pt) Sintases
BR0016310A (pt) Sonda para aeronave
CO5221035A1 (es) Materiales compuestos para reactores de membrana
MX165801B (es) Composicion de ceramica resistente al choque termico, metodo para producir la misma y articulo elaborado aplicando dicha composicion
PT81926B (pt) Processo aperfeicoado para a preparacao de particulas de metilcelulose incrustadas com sacarose para utilizacao em composicoes laxantes expansoras
BR0102479A (pt) Produtos azs fundidos e vazados e utilização de blocos e de elementos cruciformes
ES2120142T3 (es) Revestimiento para alta temperatura sobre sustrato ceramico y procedimiento sin coccion para su obtencion.
BR0107747A (pt) Ligas de alumìnio de alta condutividade térmica para aletas
PT83255B (pt) Polipeptidos e anticorpos, caracteristicos do polilomavirus e suas aplicacoes no diagnostico &#34;in vitro&#34; na pervencao e ou na luta contra as infeccoes por papilomavirus
BR9814542A (pt) &#34; preparação e utilização de opacificadores mistos à base de óxido de titânio e de silìcio &#34;
BR9900614A (pt) Pigmento queimado marrom-avermelhado, processo para sua preparação e seu emprego.
BRPI0415431A (pt) processos e composições para alteração de fenótipos de sementes
Levitsky et al. Domain structure of myosin subfragment-1: Selective denaturation of the 50 kDa segment
Romano et al. Kinetics of quenching of hydrous feldspathic melts: quantification using synthetic fluid inclusions
Muramatsu et al. Rapid isolation of nucleoli from detergent-purified nuclei of tumor and tissue culture cells
MX171811B (es) Polvo ceramico para la aplicacion electrostatica de polvos sobre piezas ceramicas y procedimiento para su obtencion
Vaquero et al. Inhibition of Protein Synthesis and Activation of Nuclease in Rabbit Reticulocyte Lysates by the Unusual Oligonucleotide pppA2′ pSA2′ p5′ A
Taylor et al. Nonanucleotide sequence from 16S ribonucleic acid at the peptidyl tRNA binding site of the Escherichia coli ribosome
PE11897A1 (es) Procedimiento y mezcla pulverulenta para cortar un cuerpo refractario
Safonov et al. Interaction of diopside and jadeite with potassium chloride at 5 GPa
Tarasevich et al. Progress in the polymer chemistry of borates

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: SCHOTT AG (DE)

Free format text: TRANSFERIDO DE: SCHOTT GLAS

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/08/1999, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2525 DE 28-05-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.