CERAMIC FILTER MEMBRANE AND PROCESS FOR THE PREPARATION THEREOF
1. A ceramic filter membrane comprising at least mainly grains of sintered alumina, which are fixed to one another by "bonded" portions of the grain surfaces while leaving pores therebetween which are surrounded by the remaining "exposed" portions of the grain surfaces, character...
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| creator | WICKER, ALAIN GALAJ, STANISLAS BESLAND, MARIE-PAULE |
| description | 1. A ceramic filter membrane comprising at least mainly grains of sintered alumina, which are fixed to one another by "bonded" portions of the grain surfaces while leaving pores therebetween which are surrounded by the remaining "exposed" portions of the grain surfaces, characterized in that said exposed portions of the grain surfaces are covered by a layer of zirconia, which is continuous from one grain to another and has a thickness comprised between 10 and 1000 nanometers. |
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A ceramic filter membrane comprising at least mainly grains of sintered alumina, which are fixed to one another by "bonded" portions of the grain surfaces while leaving pores therebetween which are surrounded by the remaining "exposed" portions of the grain surfaces, characterized in that said exposed portions of the grain surfaces are covered by a layer of zirconia, which is continuous from one grain to another and has a thickness comprised between 10 and 1000 nanometers.</description><language>eng ; fre</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; LIME, MAGNESIA ; METALLURGY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; REFRACTORIES ; SEPARATION ; SLAG ; TRANSPORTING ; TREATMENT OF NATURAL STONE</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19901024&DB=EPODOC&CC=EP&NR=0263468B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19901024&DB=EPODOC&CC=EP&NR=0263468B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WICKER, ALAIN</creatorcontrib><creatorcontrib>GALAJ, STANISLAS</creatorcontrib><creatorcontrib>BESLAND, MARIE-PAULE</creatorcontrib><title>CERAMIC FILTER MEMBRANE AND PROCESS FOR THE PREPARATION THEREOF</title><description>1. A ceramic filter membrane comprising at least mainly grains of sintered alumina, which are fixed to one another by "bonded" portions of the grain surfaces while leaving pores therebetween which are surrounded by the remaining "exposed" portions of the grain surfaces, characterized in that said exposed portions of the grain surfaces are covered by a layer of zirconia, which is continuous from one grain to another and has a thickness comprised between 10 and 1000 nanometers.</description><subject>ARTIFICIAL STONE</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>REFRACTORIES</subject><subject>SEPARATION</subject><subject>SLAG</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB3dg1y9PV0VnDz9AlxDVLwdfV1CnL0c1Vw9HNRCAjyd3YNDlZw8w9SCPFwBfJdAxyDHEM8_f1A_CBXfzceBta0xJziVF4ozc2g4OYa4uyhm1qQH59aXJCYnJqXWhLvGmBgZGZsYmbhZGhMhBIAF8Ap1w</recordid><startdate>19901024</startdate><enddate>19901024</enddate><creator>WICKER, ALAIN</creator><creator>GALAJ, STANISLAS</creator><creator>BESLAND, MARIE-PAULE</creator><scope>EVB</scope></search><sort><creationdate>19901024</creationdate><title>CERAMIC FILTER MEMBRANE AND PROCESS FOR THE PREPARATION THEREOF</title><author>WICKER, ALAIN ; GALAJ, STANISLAS ; BESLAND, MARIE-PAULE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0263468B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1990</creationdate><topic>ARTIFICIAL STONE</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>REFRACTORIES</topic><topic>SEPARATION</topic><topic>SLAG</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>WICKER, ALAIN</creatorcontrib><creatorcontrib>GALAJ, STANISLAS</creatorcontrib><creatorcontrib>BESLAND, MARIE-PAULE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WICKER, ALAIN</au><au>GALAJ, STANISLAS</au><au>BESLAND, MARIE-PAULE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CERAMIC FILTER MEMBRANE AND PROCESS FOR THE PREPARATION THEREOF</title><date>1990-10-24</date><risdate>1990</risdate><abstract>1. A ceramic filter membrane comprising at least mainly grains of sintered alumina, which are fixed to one another by "bonded" portions of the grain surfaces while leaving pores therebetween which are surrounded by the remaining "exposed" portions of the grain surfaces, characterized in that said exposed portions of the grain surfaces are covered by a layer of zirconia, which is continuous from one grain to another and has a thickness comprised between 10 and 1000 nanometers.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRACTORIES SEPARATION SLAG TRANSPORTING TREATMENT OF NATURAL STONE |
| title | CERAMIC FILTER MEMBRANE AND PROCESS FOR THE PREPARATION THEREOF |
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