JPH0147207B2 - - Google Patents
Info
- Publication number
- JPH0147207B2 JPH0147207B2 JP57008758A JP875882A JPH0147207B2 JP H0147207 B2 JPH0147207 B2 JP H0147207B2 JP 57008758 A JP57008758 A JP 57008758A JP 875882 A JP875882 A JP 875882A JP H0147207 B2 JPH0147207 B2 JP H0147207B2
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- slurry
- filter
- foam
- alumina
- 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
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 51
- 239000006260 foam Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 15
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims description 32
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 12
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical group O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 239000006261 foam material Substances 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 8
- 239000011230 binding agent Substances 0.000 abstract description 7
- 229910052593 corundum Inorganic materials 0.000 abstract description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000155 melt Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000000440 bentonite Substances 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004848 polyfunctional curative Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- NNCOOIBIVIODKO-UHFFFAOYSA-N aluminum;hypochlorous acid Chemical compound [Al].ClO NNCOOIBIVIODKO-UHFFFAOYSA-N 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2093—Ceramic foam
-
- 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
-
- 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
- C04B35/101—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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/0615—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances the burned-out substance being a monolitic element having approximately the same dimensions as the final article, e.g. a porous polyurethane sheet or a prepreg obtained by bonding together resin particles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/066—Treatment of circulating aluminium, e.g. by filtration
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
- C22B9/023—By filtering
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Filtering Materials (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/227,134 US4343704A (en) | 1981-01-22 | 1981-01-22 | Ceramic foam filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57140613A JPS57140613A (en) | 1982-08-31 |
| JPH0147207B2 true JPH0147207B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-10-12 |
Family
ID=22851895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57008758A Granted JPS57140613A (en) | 1981-01-22 | 1982-01-22 | Ceramic foam filter and aqueous slurry for manufacturing said filter |
Country Status (9)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3222162C2 (de) * | 1982-06-10 | 1985-07-11 | Schweizerische Aluminium Ag, Chippis | Filter zur Filtration von schmelzflüssigen Metallen |
| US4760038A (en) * | 1983-09-01 | 1988-07-26 | Astro Met Associates, Inc. | Ceramic composition |
| US4839049A (en) * | 1983-09-01 | 1989-06-13 | Astro Met Associates, Inc. | Ceramic composition |
| CH655328A5 (de) * | 1984-02-15 | 1986-04-15 | Fischer Ag Georg | Keramikfilter. |
| USH48H (en) | 1984-02-28 | 1986-04-01 | Kennecott Corporation | Method of making a ceramic article having open porous interior |
| US4533388A (en) * | 1984-04-11 | 1985-08-06 | Olin Corporation | Technique for removing iron-rich components from a copper melt |
| US4708740A (en) * | 1984-04-11 | 1987-11-24 | Olin Corporation | Technique for forming silicon carbide coated porous filters |
| US4601460A (en) * | 1984-04-11 | 1986-07-22 | Olin Corporation | Technique for removing impurities from a copper melt |
| US4772395A (en) * | 1984-04-11 | 1988-09-20 | Olin Corporation | Silicon carbide coated porous filters |
| US4983219A (en) * | 1984-04-11 | 1991-01-08 | Olin Corporation | Technique for forming silicon carbide coated porous filters |
| US4803025A (en) * | 1984-04-23 | 1989-02-07 | Swiss Aluminium Ltd. | Ceramic foam |
| JPS63201073A (ja) * | 1987-02-16 | 1988-08-19 | 三菱重工業株式会社 | 多孔質セラミツクス体の製造方法 |
| FI77162C (fi) * | 1987-03-05 | 1989-02-10 | Valmet Paper Machinery Inc | Filterkonstruktion och foerfarande foer bildande av filterkonstruktion. |
| US4866011A (en) * | 1988-05-02 | 1989-09-12 | Swiss Aluminium, Ltd. | Process for forming a ceramic foam |
| US4990059A (en) * | 1988-12-19 | 1991-02-05 | Aluminum Company Of America | Method for filtering liquid-phase metals |
| CH679746A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-01-11 | 1992-04-15 | Fischer Ag Georg | |
| US5888393A (en) * | 1989-07-18 | 1999-03-30 | The Boeing Company | Microparticle enhanced fibrous ceramic baffle for cryogenic liquid containers |
| GB8918048D0 (en) * | 1989-08-08 | 1989-09-20 | Foseco Int | Ceramic foam filters |
| US5190897A (en) * | 1989-08-08 | 1993-03-02 | Foseco International Limited | Ceramic foam filters |
| US5087278A (en) * | 1989-12-28 | 1992-02-11 | Yaka Feudor K.K. | Filter for gas lighter and method for producing the same |
| JP2778795B2 (ja) * | 1990-03-30 | 1998-07-23 | 日本碍子株式会社 | 金属溶湯用濾材 |
| US6136029A (en) * | 1997-10-01 | 2000-10-24 | Phillips-Origen Ceramic Technology, Llc | Bone substitute materials |
| US6296667B1 (en) | 1997-10-01 | 2001-10-02 | Phillips-Origen Ceramic Technology, Llc | Bone substitutes |
| US6977095B1 (en) * | 1997-10-01 | 2005-12-20 | Wright Medical Technology Inc. | Process for producing rigid reticulated articles |
| US6036743A (en) * | 1997-10-27 | 2000-03-14 | Selee Corporation | Method and apparatus for removing liquid salts from liquid metal |
| RU2134801C1 (ru) * | 1997-12-09 | 1999-08-20 | Виноградов Василий Михайлович | Фильтрующий элемент и способ его производства |
| DE10102865A1 (de) * | 2001-01-23 | 2002-04-04 | Univ Karlsruhe | Keramische Schaummonolithe als Katalysatorträger und Verfahren zu ihrer Herstellung |
| RU2304568C1 (ru) * | 2006-02-10 | 2007-08-20 | Закрытое акционерное общество Научно-технический центр "Бакор" | Способ изготовления фильтрующей пенокерамики |
| US8518528B2 (en) * | 2006-03-31 | 2013-08-27 | Porvair Plc | Low expansion corrosion resistant ceramic foam filters for molten aluminum filtration |
| DE102006053155B4 (de) * | 2006-11-10 | 2009-05-07 | AS Lüngen GmbH | Offenporiger Keramikschaum sowie dessen Verwendung |
| CA2728339C (en) * | 2008-06-16 | 2015-08-18 | Porvair Plc | Improved method for filtering molten aluminum and molten aluminum alloys |
| CN113443901A (zh) * | 2021-09-01 | 2021-09-28 | 佛山市金刚材料科技有限公司 | 高强度氧化铝泡沫陶瓷及其制备方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB916784A (en) * | 1960-05-04 | 1963-01-30 | Gen Electric Co Ltd | Improvements in or relating to the manufacture of porous ceramic materials |
| US3574646A (en) * | 1968-03-20 | 1971-04-13 | Ppg Industries Inc | Heat resistant materials |
| US3709706A (en) * | 1969-05-16 | 1973-01-09 | Minnesota Mining & Mfg | Refractory fibers and other articles of zirconia and silica mixtures |
| JPS5539601B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-05-12 | 1980-10-13 | ||
| US3747765A (en) * | 1971-06-09 | 1973-07-24 | Kaiser Aluminium Chem Corp | Rigid filter assembly |
| BE793983A (fr) * | 1972-01-14 | 1973-05-02 | Foseco Int | Fabrication de nouveaux produits ceramiques poreux |
| JPS5222327B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-05-15 | 1977-06-16 | ||
| IL43281A (en) * | 1973-08-20 | 1976-09-30 | Comision Para El Aprovechamien | Porous earthenware supporting members for reverse osmosis membranes,process of manufacture and apparatus using same |
| GB1483055A (en) * | 1973-11-12 | 1977-08-17 | Foseco Int | Porous refractory ceramic materials |
| US3947363A (en) * | 1974-01-02 | 1976-03-30 | Swiss Aluminium Limited | Ceramic foam filter |
| US3893917A (en) * | 1974-01-02 | 1975-07-08 | Alusuisse | Molten metal filter |
| US3962081A (en) * | 1975-03-28 | 1976-06-08 | Swiss Aluminium Ltd. | Ceramic foam filter |
| US4116761A (en) * | 1976-03-08 | 1978-09-26 | Whatman Reeve Angel Limited | Porous element and the preparation thereof |
| JPS5556077A (en) * | 1978-10-21 | 1980-04-24 | Bridgestone Tire Co Ltd | Ceramic porous body |
| US4265659A (en) * | 1979-10-09 | 1981-05-05 | Swiss Aluminium Ltd. | Molten metal filter |
| US4264346A (en) * | 1979-12-12 | 1981-04-28 | General Motors Corporation | Diesel exhaust particulate traps |
-
1981
- 1981-01-22 US US06/227,134 patent/US4343704A/en not_active Expired - Lifetime
- 1981-12-28 EP EP81810519A patent/EP0058812B1/de not_active Expired
- 1981-12-28 DE DE8181810519T patent/DE3172090D1/de not_active Expired
- 1981-12-28 AT AT81810519T patent/ATE15149T1/de not_active IP Right Cessation
- 1981-12-29 ZA ZA819001A patent/ZA819001B/xx unknown
-
1982
- 1982-01-20 NO NO820160A patent/NO169602C/no unknown
- 1982-01-21 BR BR8200296A patent/BR8200296A/pt not_active IP Right Cessation
- 1982-01-22 JP JP57008758A patent/JPS57140613A/ja active Granted
- 1982-01-22 CA CA000394743A patent/CA1179382A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1179382A (en) | 1984-12-11 |
| ATE15149T1 (de) | 1985-09-15 |
| NO169602B (no) | 1992-04-06 |
| EP0058812A3 (en) | 1982-09-29 |
| BR8200296A (pt) | 1982-11-23 |
| NO820160L (no) | 1982-07-23 |
| EP0058812A2 (de) | 1982-09-01 |
| EP0058812B1 (de) | 1985-08-28 |
| ZA819001B (en) | 1982-12-29 |
| DE3172090D1 (en) | 1985-10-03 |
| NO169602C (no) | 1992-07-15 |
| JPS57140613A (en) | 1982-08-31 |
| US4343704A (en) | 1982-08-10 |
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