公开(公告)号：EP2418175A4

公开(公告)日：2013-10-09

申请号：EP10761674

申请日：2010-04-05

申请人： SAKAI CHEMICAL INDUSTRY CO ,  UNIV TOHOKU ,  FUJI CERAMICS CORP

发明人： MURAMATSU ATSUSHI ,  KANIE KIYOSHI ,  TERABE ATSUKI ,  OKAMOTO YASUHIRO ,  MIZUTANI HIDETO ,  SUEDA SATORU ,  TAKAHASHI HIROFUMI

IPC分类号： C01G33/00 ,  C04B35/495 ,  C04B35/626 ,  H01L41/187 ,  H01L41/22 ,  H01L41/39

CPC分类号： H01L41/1873 ,  C01D1/02 ,  C01G33/006 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/41 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/62 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3255 ,  C04B2235/52 ,  H01L41/317 ,  Y10T428/2982

摘要： Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): Na x K (1-x) NbO 3 (1), the method including four specific steps, wherein a high-concentration alkaline solution containing Na + ion and K + ion is used as an alkaline solution.; and particulate sodium-potassium niobate having a controlled shape and size.

公开(公告)号：EP1013610A4

公开(公告)日：2001-08-16

申请号：EP99921191

申请日：1999-05-19

申请人： SAKAI CHEMICAL INDUSTRY CO

发明人： NAGANO KAZUHIKO ,  ABE KAZUNOBU ,  KAMISAKA SHIGEFUMI ,  FUKAI KIYOSHI ,  HATANAKA TSUTOMA ,  OHGAMA SHINJI ,  NAKAO HIROSHI ,  YONEDA MINORU ,  MIZUTANI HIDETO

IPC分类号： B01J23/70 ,  B01J37/00 ,  B22F9/02 ,  C01B13/32 ,  C01G3/00 ,  C01G3/02 ,  C01G51/00 ,  C01G51/04 ,  C01G51/06 ,  C01G53/04 ,  C01G53/06 ,  C01G53/00

CPC分类号： C01G53/06 ,  B01J23/70 ,  B01J37/00 ,  B22F9/026 ,  C01B13/328 ,  C01G3/00 ,  C01G3/02 ,  C01G51/04 ,  C01G51/06 ,  C01G53/04 ,  C01P2002/02 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62

摘要： A method for producing fine spherical particles of a carbonate or a hydroxide of nickel, cobalt or copper which comprises dissolving a carbonate or a hydroxide of nickel, cobalt or copper represented by general formula (I): M(CO3)x/2 •(OH)y, wherein M represents Ni, Co or Cu, and x and y are numbers satisfying 0

公开(公告)号：EP1930297A4

公开(公告)日：2013-05-01

申请号：EP06746456

申请日：2006-05-16

申请人： SAKAI CHEMICAL INDUSTRY CO

发明人： MIZUTANI HIDETO ,  TERABE ATSUKI

IPC分类号： C01G23/053 ,  A61K8/00 ,  A61K8/06 ,  A61K8/19 ,  A61Q17/04 ,  C08K9/00 ,  C08L101/00 ,  C09D7/12

CPC分类号： A61Q17/04 ,  A61K8/25 ,  A61K8/29 ,  A61K8/585 ,  A61K2800/413 ,  A61K2800/43 ,  A61Q1/02 ,  B82Y5/00 ,  B82Y30/00 ,  C01G23/053 ,  C01P2004/64 ,  C01P2006/12 ,  C08K3/22 ,  C08K9/02 ,  C08K9/06 ,  C09C1/3661 ,  C09C1/3684 ,  C09C1/3692 ,  C09D7/62 ,  C09D7/67 ,  Y10T428/2993 ,  Y10T428/2995

摘要： It is an object of the present invention to provide a method of producing a rutile titanium dioxide fine particle having a high ultraviolet protection property and high transparency for visible light. The present invention provides a method of producing a rutile titanium dioxide fine particle, comprising the steps of (1) treating titanium dioxide hydrate with at least one of a basic compound selected from the group consisting of hydroxides of alkalimetal and hydroxides of alkaline-earth metal, and (2) treating the compound obtained by the step (1) with a carboxylic acid group-containing compound and an inorganic acid.

公开(公告)号：EP2418174A4

公开(公告)日：2015-04-01

申请号：EP10761671

申请日：2010-04-05

申请人： SAKAI CHEMICAL INDUSTRY CO ,  UNIV TOHOKU ,  FUJI CERAMICS CORP

发明人： MURAMATSU ATSUSHI ,  KANIE KIYOSHI ,  TERABE ATSUKI ,  OKAMOTO YASUHIRO ,  MIZUTANI HIDETO ,  SUEDA SATORU ,  TAKAHASHI HIROFUMI

IPC分类号： C01G33/00 ,  H01L41/187 ,  H01L41/22 ,  H01L41/39

CPC分类号： C01D1/02 ,  B82Y30/00 ,  C01D13/00 ,  C01G1/02 ,  C01G33/00 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/38 ,  C01P2004/39 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3255 ,  C04B2235/5292 ,  C04B2235/5436 ,  C04B2235/656 ,  C04B2235/77 ,  H01L41/1873 ,  H01L41/43 ,  Y10T428/2982

摘要： Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO 3 (1), wherein M represents one element selected from alkaline metals, including specific four steps. Another one of specifically disclosed is particulate alkali metal niobate represented by the formula (1) having a substantially rectangular cuboid shape, wherein the substantially rectangular cuboid shape has a longest side and a shortest side, the length of the longest side represented by an index L max is 0.10 to 25 µm, and the length of the shortest side represented by an index L min is 0.050 to 15 µm.

公开(公告)号：EP1160033A4

公开(公告)日：2004-05-12

申请号：EP00974955

申请日：2000-11-10

申请人： SAKAI CHEMICAL INDUSTRY CO

发明人： MIZUTANI HIDETO ,  YONEDA MINORU ,  SUGAYA TOSHIHIRO ,  URASUMI HIROYOSHI ,  HONDA CHIYO ,  NAKAO HIROSHI ,  HATANAKA TSUTOMU ,  OHGAMA SHINJI ,  FUKAI KIYOSHI ,  NAGANO KAZUHIKO ,  KUMISAKA SHIGEFUMI ,  ABE KAZUNOBU

IPC分类号： B22F9/26 ,  B22F9/22 ,  H01G4/008

CPC分类号： H01G4/008 ,  B22F9/22 ,  B22F2998/10 ,  B22F2999/00 ,  B22F9/026

摘要： A method for producing a fine powder of metallic nickel comprised of fine spherical particles having an average particle diameter of 0.05 to 10 νm characterized in that it comprises a first step of dissolving nickel carbonate and/or nickel hydroxide represented by Ni(CO3)x . (OH)y, wherein 0 ≤ x ≤ 1.5 and 0 ≤ y ≤ 3, in an aqueous ammonia solution, or an aqueous solution of ammonia and ammonium carbonate, ammonium hydrogen carbonate or a carbonate or hydrogen carbonate of an alkali metal to form an aqueous nickel solution, preparing a W/O type emulsion comprising a non-aqueous medium and droplets of the aqueous nickel solution, and removing volatile components form the droplets to precipitate nickel carbonate, thereby forming fine spherical particles of nickel carbonate, and a second step of heating the nickel carbonate particles under a hydrogen atmosphere in the presence of 0.01 to 30 wt % in terms of oxide of a fusion preventive agent comprising a compound of at least one element selected from among an alkaline earth element, aluminum, silicon and a rare earth element, thereby reducing the nickel carbonate particles.