LIQUID SUSPENSIONS AND POWDERS OF CERIUM OXIDE PARTICLES AND PREPARATION AND POLISHING APPLICATIONS THEREOF
The invention relates to a suspension of cerium oxide particles, of which the particles (secondary particles) have an average size of at most 200 nm, these secondary particles consisting of primary particles whose average size measured by TEM is of at most 150 nm with a standard deviation of at most...
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| creator | THIERS LAURENT CRINIERE GUILLAUME |
| description | The invention relates to a suspension of cerium oxide particles, of which the particles (secondary particles) have an average size of at most 200 nm, these secondary particles consisting of primary particles whose average size measured by TEM is of at most 150 nm with a standard deviation of at most 30% of the value of said average size, and for which the ratio of the average size measured by TEM to the average size measured by BET is at least 1.5. This suspension is prepared from a solution of a cerium III salt, comprising a colloidal dispersion of cerium IV, which is brought into contact, in the presence of nitrate ions and under an inert atmosphere, with a base; the medium obtained is subjected to a thermal treatment under an inert atmosphere and then acidified and washed. The suspension can be used for polishing. |
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This suspension is prepared from a solution of a cerium III salt, comprising a colloidal dispersion of cerium IV, which is brought into contact, in the presence of nitrate ions and under an inert atmosphere, with a base; the medium obtained is subjected to a thermal treatment under an inert atmosphere and then acidified and washed. The suspension can be used for polishing.</description><language>eng</language><subject>ADHESIVES ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; CORRECTING FLUIDS ; DRESSING OR CONDITIONING OF ABRADING SURFACES ; DYES ; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ; FILLING PASTES ; GRINDING ; HUMAN NECESSITIES ; HYGIENE ; INKS ; INORGANIC CHEMISTRY ; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PASTES OR SOLIDS FOR COLOURING OR PRINTING ; PERFORMING OPERATIONS ; POLISHES ; POLISHING ; POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; SKI WAXES ; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS ; TRANSPORTING ; USE OF MATERIALS THEREFOR ; WOODSTAINS</subject><creationdate>2015</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=20150129&DB=EPODOC&CC=US&NR=2015030650A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150129&DB=EPODOC&CC=US&NR=2015030650A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>THIERS LAURENT</creatorcontrib><creatorcontrib>CRINIERE GUILLAUME</creatorcontrib><title>LIQUID SUSPENSIONS AND POWDERS OF CERIUM OXIDE PARTICLES AND PREPARATION AND POLISHING APPLICATIONS THEREOF</title><description>The invention relates to a suspension of cerium oxide particles, of which the particles (secondary particles) have an average size of at most 200 nm, these secondary particles consisting of primary particles whose average size measured by TEM is of at most 150 nm with a standard deviation of at most 30% of the value of said average size, and for which the ratio of the average size measured by TEM to the average size measured by BET is at least 1.5. This suspension is prepared from a solution of a cerium III salt, comprising a colloidal dispersion of cerium IV, which is brought into contact, in the presence of nitrate ions and under an inert atmosphere, with a base; the medium obtained is subjected to a thermal treatment under an inert atmosphere and then acidified and washed. The suspension can be used for polishing.</description><subject>ADHESIVES</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMISTRY</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</subject><subject>CORRECTING FLUIDS</subject><subject>DRESSING OR CONDITIONING OF ABRADING SURFACES</subject><subject>DYES</subject><subject>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</subject><subject>FILLING PASTES</subject><subject>GRINDING</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>INKS</subject><subject>INORGANIC CHEMISTRY</subject><subject>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>PERFORMING OPERATIONS</subject><subject>POLISHES</subject><subject>POLISHING</subject><subject>POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH</subject><subject>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</subject><subject>SKI WAXES</subject><subject>SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS</subject><subject>TRANSPORTING</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi0EKwjAQRbtxIeodBlwLqaXuQzK1AzGJmQTdlSJxo2ih3h-L9ACuPrz_3rJ4GDon0sCJPVomZxmk1eDdRWNgcA0oDJRO4K6kEbwMkZTB2Qo4ARmnbK4McUv2CNJ7Q-r3MMQWA7pmXSzu_XPMm3lXxbbBqNpdHt5dHof-ll_50yXei7IWlTjUQpbVf9YXzWk3oQ</recordid><startdate>20150129</startdate><enddate>20150129</enddate><creator>THIERS LAURENT</creator><creator>CRINIERE GUILLAUME</creator><scope>EVB</scope></search><sort><creationdate>20150129</creationdate><title>LIQUID SUSPENSIONS AND POWDERS OF CERIUM OXIDE PARTICLES AND PREPARATION AND POLISHING APPLICATIONS THEREOF</title><author>THIERS LAURENT ; CRINIERE GUILLAUME</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2015030650A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ADHESIVES</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMISTRY</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>CORRECTING FLUIDS</topic><topic>DRESSING OR CONDITIONING OF ABRADING SURFACES</topic><topic>DYES</topic><topic>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</topic><topic>FILLING PASTES</topic><topic>GRINDING</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>INKS</topic><topic>INORGANIC CHEMISTRY</topic><topic>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>PERFORMING OPERATIONS</topic><topic>POLISHES</topic><topic>POLISHING</topic><topic>POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH</topic><topic>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</topic><topic>SKI WAXES</topic><topic>SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS</topic><topic>TRANSPORTING</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>THIERS LAURENT</creatorcontrib><creatorcontrib>CRINIERE GUILLAUME</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>THIERS LAURENT</au><au>CRINIERE GUILLAUME</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LIQUID SUSPENSIONS AND POWDERS OF CERIUM OXIDE PARTICLES AND PREPARATION AND POLISHING APPLICATIONS THEREOF</title><date>2015-01-29</date><risdate>2015</risdate><abstract>The invention relates to a suspension of cerium oxide particles, of which the particles (secondary particles) have an average size of at most 200 nm, these secondary particles consisting of primary particles whose average size measured by TEM is of at most 150 nm with a standard deviation of at most 30% of the value of said average size, and for which the ratio of the average size measured by TEM to the average size measured by BET is at least 1.5. This suspension is prepared from a solution of a cerium III salt, comprising a colloidal dispersion of cerium IV, which is brought into contact, in the presence of nitrate ions and under an inert atmosphere, with a base; the medium obtained is subjected to a thermal treatment under an inert atmosphere and then acidified and washed. The suspension can be used for polishing.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CORRECTING FLUIDS DRESSING OR CONDITIONING OF ABRADING SURFACES DYES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS FILLING PASTES GRINDING HUMAN NECESSITIES HYGIENE INKS INORGANIC CHEMISTRY MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES POLISHING POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SKI WAXES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS |
| title | LIQUID SUSPENSIONS AND POWDERS OF CERIUM OXIDE PARTICLES AND PREPARATION AND POLISHING APPLICATIONS THEREOF |
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