FR2330660A1 - Corps moule en ceramique de haute tenacite a la rupture - Google Patents
Corps moule en ceramique de haute tenacite a la ruptureInfo
- Publication number
- FR2330660A1 FR2330660A1 FR7633487A FR7633487A FR2330660A1 FR 2330660 A1 FR2330660 A1 FR 2330660A1 FR 7633487 A FR7633487 A FR 7633487A FR 7633487 A FR7633487 A FR 7633487A FR 2330660 A1 FR2330660 A1 FR 2330660A1
- Authority
- FR
- France
- Prior art keywords
- breakage
- mold body
- high tenacity
- ceramic mold
- tenacity ceramic
- 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.)
- Granted
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
- C04B35/10—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 aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
- C04B35/119—Composites with zirconium oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
-
- 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
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/34—Oxidic
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/34—Oxidic
- C04B2237/343—Alumina or aluminates
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/34—Oxidic
- C04B2237/345—Refractory metal oxides
- C04B2237/348—Zirconia, hafnia, zirconates or hafnates
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/70—Forming laminates or joined articles comprising layers of a specific, unusual thickness
- C04B2237/704—Forming laminates or joined articles comprising layers of a specific, unusual thickness of one or more of the ceramic layers or articles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2549652A DE2549652C3 (de) | 1975-11-05 | 1975-11-05 | Keramikformkörper hoher Bruchzähigkeit |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2330660A1 true FR2330660A1 (fr) | 1977-06-03 |
FR2330660B1 FR2330660B1 (fr) | 1982-10-22 |
Family
ID=5960991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7633487A Granted FR2330660A1 (fr) | 1975-11-05 | 1976-11-05 | Corps moule en ceramique de haute tenacite a la rupture |
Country Status (5)
Country | Link |
---|---|
US (1) | US4419311A (fr) |
JP (1) | JPS5925748B2 (fr) |
DE (1) | DE2549652C3 (fr) |
FR (1) | FR2330660A1 (fr) |
GB (1) | GB1527780A (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2405308A1 (fr) * | 1977-10-05 | 1979-05-04 | Feldmuehle Ag | Materiau fritte |
FR2409245A1 (fr) * | 1977-11-21 | 1979-06-15 | Max Planck Gesellschaft | Procede de preparation de ceramiques en dispersion |
FR2566767A1 (fr) * | 1984-06-27 | 1986-01-03 | Champion Spark Plug Co | Ceramique et son procede de production |
EP0198080A1 (fr) * | 1984-10-29 | 1986-10-22 | The Dow Chemical Company | Corps en ceramique a magnesie ayant une pluralite de zones de contrainte |
EP0252598A2 (fr) * | 1986-06-07 | 1988-01-13 | Anderson Strathclyde Plc | Matériau fritté en céramique contenant du matériau réfractaire |
EP0419151A2 (fr) * | 1989-09-18 | 1991-03-27 | Ngk Insulators, Ltd. | Corps céramique composite fritté et son procédé de fabrication |
EP0419150A2 (fr) * | 1989-09-18 | 1991-03-27 | Ngk Insulators, Ltd. | Corps céramique composite fritté et son procédé de fabrication |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298385A (en) * | 1976-11-03 | 1981-11-03 | Max-Planck-Gesellschaft Zur Forderung Wissenschaften E.V. | High-strength ceramic bodies |
JPS53126008A (en) * | 1977-04-11 | 1978-11-02 | Hitachi Chemical Co Ltd | Process for making alumina ceramics |
DE2716572C2 (de) * | 1977-04-14 | 1984-03-08 | Kurosaki Refractories Co., Ltd., Kitakyushu, Fukuoka | Verfahren zur Herstellung feuerfester Materialien mit dichter Struktur |
JPS5423611A (en) * | 1977-07-25 | 1979-02-22 | Sumitomo Electric Industries | Tool ceramic materials |
JPS5833187B2 (ja) * | 1977-07-28 | 1983-07-18 | 住友電気工業株式会社 | 工具用セラミック材料の製造法 |
JPS5527271U (fr) * | 1978-08-11 | 1980-02-21 | ||
DE2920795A1 (de) * | 1979-05-22 | 1980-12-04 | Max Planck Gesellschaft | Hochfester und temperaturwechselbestaendiger keramikformkoerper, insbesondere aus mullit, seine herstellung und verwendung |
JPS5919906B2 (ja) * | 1979-08-06 | 1984-05-09 | 日本鋼管株式会社 | 熱的スポ−リングの防止方法 |
US4304870A (en) * | 1980-02-20 | 1981-12-08 | The United States Of America As Represented By The Secretary Of The Navy | Ablative-resistant dielectric ceramic articles |
DE3022213C2 (de) * | 1980-06-13 | 1987-12-23 | Feldmühle AG, 4000 Düsseldorf | Keramischer Formkörper mit eutektischen Gefügebestandteilen und Verfahren zu seiner Herstellung |
DE3025596A1 (de) | 1980-07-05 | 1982-02-25 | Feldmühle AG, 4000 Düsseldorf | Ventilscheibe aus oxidkeramischem werkstoff |
US4396724A (en) * | 1981-05-26 | 1983-08-02 | General Electric Co. | Ceramic composition |
JPS589875A (ja) * | 1981-07-07 | 1983-01-20 | 東芝セラミツクス株式会社 | フエライト成形体の焼成用部材 |
JPS5836976A (ja) * | 1981-08-25 | 1983-03-04 | 日本特殊陶業株式会社 | 高靱性ジルコニア焼結体の製造方法 |
JPS5832066A (ja) * | 1981-08-13 | 1983-02-24 | 日本特殊陶業株式会社 | 高靭性ジルコニア焼結体 |
JPS5895654A (ja) * | 1981-11-30 | 1983-06-07 | トヨタ自動車株式会社 | サイアロン焼結体 |
JPS58120571A (ja) * | 1982-01-09 | 1983-07-18 | 日本特殊陶業株式会社 | 高靭性セラミツク焼結体 |
JPS58167472A (ja) * | 1982-03-29 | 1983-10-03 | 呉羽化学工業株式会社 | 二重構造複合セラミツク粉体、その製造方法及びその製造装置 |
DE3233019A1 (de) * | 1982-09-06 | 1984-03-08 | Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Keramikformkoerper, verfahren zu seiner herstellung und seine verwendung |
JPS59128268A (ja) * | 1983-01-14 | 1984-07-24 | 呉羽化学工業株式会社 | 複合セラミック粉体及びその製造方法 |
US4574063A (en) * | 1983-05-09 | 1986-03-04 | Corning Glass Works | Method of forming glass or ceramic article |
DE3345659A1 (de) * | 1983-06-16 | 1984-12-20 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Keramikkoerper aus zirkoniumdioxid (zro(pfeil abwaerts)2(pfeil abwaerts)) und verfahren zu seiner herstellung |
JPS6027650A (ja) * | 1983-07-21 | 1985-02-12 | 日本碍子株式会社 | セラミックス製品に形状記憶効果を生ぜしめる方法 |
US4666467A (en) * | 1984-04-06 | 1987-05-19 | Toyo Soda Manufacturing Co., Ltd. | High-strength metal working tool made of a zirconia-type sintered material |
US4525464A (en) * | 1984-06-12 | 1985-06-25 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften | Ceramic body of zirconium dioxide (ZrO2) and method for its preparation |
US4673435A (en) * | 1985-05-21 | 1987-06-16 | Toshiba Ceramics Co., Ltd. | Alumina composite body and method for its manufacture |
US5196385A (en) * | 1985-08-06 | 1993-03-23 | Ngk Spark Plug Co., Ltd. | Process for the preparation of a heat-resistant and wear resistant ceramic material |
CA1259080A (fr) * | 1985-09-06 | 1989-09-05 | Nobuo Kimura | Produits ceramiques de densite elevee, a base d'alumine-zircone; methode de preparation |
DE3534149C1 (en) * | 1985-09-25 | 1987-01-29 | Feldmuehle Ag | Axial face seal (sliding ring seal) |
DE3536407A1 (de) * | 1985-10-11 | 1987-04-16 | Didier Werke Ag | Verfahren zur herstellung von formkoerpern aus al(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)3(pfeil abwaerts) und zr0(pfeil abwaerts)2(pfeil abwaerts) sowie nach dem verfahren hergestellte formkoerper |
USRE34028E (en) * | 1986-08-06 | 1992-08-11 | Champion Spark Plug Company | Alumina-zirconia ceramic |
US4751207A (en) * | 1986-08-06 | 1988-06-14 | Champion Spark Plug Company | Alumina-zirconia ceramic |
US4960735A (en) * | 1988-11-03 | 1990-10-02 | Kennametal Inc. | Alumina-zirconia-silicon carbide-magnesia ceramics |
US5024976A (en) * | 1988-11-03 | 1991-06-18 | Kennametal Inc. | Alumina-zirconia-silicon carbide-magnesia ceramic cutting tools |
US4965231A (en) * | 1988-11-03 | 1990-10-23 | Kennametal Inc. | Alumina-zirconia-silicon carbide-magnesia compositions and articles made therefrom |
US4959332A (en) * | 1988-11-03 | 1990-09-25 | Kennametal Inc. | Alumina-zirconia-carbide whisker reinforced cutting tools |
US4952536A (en) * | 1989-02-23 | 1990-08-28 | W. R. Grace & Co.-Conn. | High strength Al2 O3 |
BE1004293A3 (fr) * | 1989-07-20 | 1992-10-27 | Solvay | Procede de fabrication d'un composite d'oxydes metalliques, poudres composites d'oxydes metalliques et materiaux ceramiques. |
JPH0832586B2 (ja) * | 1989-09-13 | 1996-03-29 | 株式会社村田製作所 | 耐熱衝撃性焼成用セッター |
JPH0832585B2 (ja) * | 1989-09-13 | 1996-03-29 | 株式会社村田製作所 | 耐熱衝撃性焼成用セッター |
JPH0489088U (fr) * | 1990-12-12 | 1992-08-03 | ||
US6887811B2 (en) * | 2001-05-30 | 2005-05-03 | Showa Denko K.K. | Spherical alumina particles and production process thereof |
US20060138962A1 (en) * | 2004-12-28 | 2006-06-29 | Wei George C | Ceramic Discharge Vessel with Expanded Reaction-Bonded Aluminum Oxide Member |
DE102010063286A1 (de) * | 2009-12-16 | 2011-06-22 | CeramTec GmbH, 73207 | Keramischer Verbundwerkstoff, bestehend aus den Hauptbestandteilen Aluminiumoxid und Zirkonoxid |
WO2011083023A1 (fr) * | 2009-12-16 | 2011-07-14 | Ceramtec Gmbh | Matériau céramique composite comprenant comme constituants principaux de l'oxyde d'aluminium et de l'oxyde de zircon, ainsi qu'une phase dispersoïde |
EP2975010B1 (fr) * | 2014-07-14 | 2016-08-17 | Refractory Intellectual Property GmbH & Co. KG | Oxyde de zirconium, utilisation d'oxyde de zirconium et procédé de fabrication d'un produit réfractaire |
JP6683887B2 (ja) * | 2017-09-27 | 2020-04-22 | 日本特殊陶業株式会社 | セラミックス焼結体、インサート、切削工具、及び摩擦攪拌接合用工具 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3247000A (en) * | 1961-10-16 | 1966-04-19 | Carborundum Co | Refractory bodies and method of making same |
US3528400A (en) * | 1964-12-21 | 1970-09-15 | Corning Glass Works | Lamellar ceramic body |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205964A (en) * | 1972-06-12 | 1980-06-03 | The International Nickel Company, Inc. | Process for producing ceramic powders and products resulting therefrom |
GB1519314A (en) * | 1974-10-24 | 1978-07-26 | Commw Scient Ind Res Org | Partially stabilized zirconia |
US4073845A (en) * | 1976-01-29 | 1978-02-14 | Gte Sylvania Incorporated | High density high strength S13 N4 ceramics prepared by pressureless sintering of partly crystalline, partly amorphous S13 N4 powder |
DE2751938C2 (de) * | 1977-11-21 | 1989-01-12 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Verfahren zur Herstellung von Dispersionskeramiken |
-
1975
- 1975-11-05 DE DE2549652A patent/DE2549652C3/de not_active Expired - Lifetime
-
1976
- 1976-11-04 GB GB45920/76A patent/GB1527780A/en not_active Expired
- 1976-11-05 JP JP51133102A patent/JPS5925748B2/ja not_active Expired
- 1976-11-05 FR FR7633487A patent/FR2330660A1/fr active Granted
-
1981
- 1981-07-06 US US06/280,408 patent/US4419311A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3247000A (en) * | 1961-10-16 | 1966-04-19 | Carborundum Co | Refractory bodies and method of making same |
US3528400A (en) * | 1964-12-21 | 1970-09-15 | Corning Glass Works | Lamellar ceramic body |
Non-Patent Citations (2)
Title |
---|
NV836/72 * |
NV838/75 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2405308A1 (fr) * | 1977-10-05 | 1979-05-04 | Feldmuehle Ag | Materiau fritte |
FR2409245A1 (fr) * | 1977-11-21 | 1979-06-15 | Max Planck Gesellschaft | Procede de preparation de ceramiques en dispersion |
FR2566767A1 (fr) * | 1984-06-27 | 1986-01-03 | Champion Spark Plug Co | Ceramique et son procede de production |
EP0198080A4 (fr) * | 1984-10-29 | 1988-04-06 | Dow Chemical Co | Corps en ceramique a magnesie ayant une pluralite de zones de contrainte. |
EP0198080A1 (fr) * | 1984-10-29 | 1986-10-22 | The Dow Chemical Company | Corps en ceramique a magnesie ayant une pluralite de zones de contrainte |
EP0252598A3 (fr) * | 1986-06-07 | 1989-08-23 | Anderson Strathclyde Plc | Matériau fritté en céramique contenant du matériau réfractaire |
EP0252598A2 (fr) * | 1986-06-07 | 1988-01-13 | Anderson Strathclyde Plc | Matériau fritté en céramique contenant du matériau réfractaire |
EP0419151A2 (fr) * | 1989-09-18 | 1991-03-27 | Ngk Insulators, Ltd. | Corps céramique composite fritté et son procédé de fabrication |
EP0419150A2 (fr) * | 1989-09-18 | 1991-03-27 | Ngk Insulators, Ltd. | Corps céramique composite fritté et son procédé de fabrication |
EP0419150A3 (en) * | 1989-09-18 | 1992-06-17 | Ngk Insulators, Ltd. | Sintered ceramic composite body and method of manufacturing same |
EP0419151A3 (en) * | 1989-09-18 | 1992-07-22 | Ngk Insulators, Ltd. | Sintered ceramic composite body and method of manufacturing same |
US5196386A (en) * | 1989-09-18 | 1993-03-23 | The Tokyo Electric Power Company, Incorporated | Sintered ceramic composite body and method of manufacturing same |
US5217932A (en) * | 1989-09-18 | 1993-06-08 | The Tokyo Electric Power Co., Ltd. | Sintered ceramic composite body and method of manufacturing same |
Also Published As
Publication number | Publication date |
---|---|
US4419311A (en) | 1983-12-06 |
JPS5925748B2 (ja) | 1984-06-20 |
DE2549652A1 (de) | 1977-05-12 |
FR2330660B1 (fr) | 1982-10-22 |
DE2549652B2 (de) | 1980-05-29 |
JPS5286413A (en) | 1977-07-18 |
DE2549652C3 (de) | 1988-04-14 |
GB1527780A (en) | 1978-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2330660A1 (fr) | Corps moule en ceramique de haute tenacite a la rupture | |
SE415070B (sv) | Vaginalring | |
IT1068948B (it) | Preparazione di polisolfuri di alchile | |
SE7809330L (sv) | Keramisk formkropp och forfarande for dess tillverkning | |
BE846190A (fr) | Melanges de polyols et polyurethannes prepares a partir de ces melanges | |
SE399274B (sv) | Formkropp av pullulaneter och forfarande for dess framstellning | |
RO70349A (fr) | Procede pour la preparation des 3-pyridilizoxazolidines | |
BE843964A (fr) | Perfectionnements relatifs a l'extraction de la gelatine | |
JPS5238423A (en) | Manufacture of al casts | |
IT1104177B (it) | Procedimento per la cura farmacologica dell abitudine alla droga con alfa-metil-para-tirosina | |
JPS525764A (en) | Production of pyrrolidone | |
AR214974A1 (es) | Un procedimiento para preparar derivados terapeuticamente activos de furano,tiofeno y pirrol acilamino sustituido | |
RO71258A (fr) | Procede de preparation des hydroxybenzophenones substitues | |
RO70740A (fr) | Procede de preparation des 9-(3-(4-phenylpyperazino)-propyle)-adenine | |
RO71372A (fr) | Procede de preparation du chlorure de cyanuryle a granulation fine | |
SE7613948L (sv) | Nya pyrrolidoner och forfarande for deras framstellning | |
IT1069062B (it) | Solaio a cavita | |
ZA763891B (en) | Improvements in or relating to the production of tubes of sintered ceramic material | |
FR2330412A1 (fr) | Ampoule-seringue | |
IL47953A0 (en) | Joining of multi-section ceramic molds | |
JPS5265514A (en) | Mold for production of concrete segment | |
RO71901A (fr) | Procede pour la preparation des analogues de prostaglandine | |
JPS5219708A (en) | Post of concrete mold | |
JPS5485209A (en) | Production of ceramic porous body | |
IT996313B (it) | Fabbricazione di forne perfezionate a guscio ceramico |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |