JPS6452606A - Porous spherical silica and manufacture - Google Patents

Porous spherical silica and manufacture

Info

Publication number
JPS6452606A
JPS6452606A JP63139224A JP13922488A JPS6452606A JP S6452606 A JPS6452606 A JP S6452606A JP 63139224 A JP63139224 A JP 63139224A JP 13922488 A JP13922488 A JP 13922488A JP S6452606 A JPS6452606 A JP S6452606A
Authority
JP
Japan
Prior art keywords
silica
included material
droplets
dispersed
spheroids
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
Application number
JP63139224A
Other languages
English (en)
Other versions
JPH058128B2 (ja
Inventor
Jiyosefu Gaabei Maikuru
Chiyaaruzu Gurifuisu Aian
Harorudo Suchiyuwaato Re Jiyon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever NV
Original Assignee
Unilever NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Unilever NV filed Critical Unilever NV
Publication of JPS6452606A publication Critical patent/JPS6452606A/ja
Publication of JPH058128B2 publication Critical patent/JPH058128B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/12—Powders or granules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/143—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1611—Inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/046—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating with the help of a non-organic compound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/04—Making microcapsules or microballoons by physical processes, e.g. drying, spraying
    • B01J13/046—Making microcapsules or microballoons by physical processes, e.g. drying, spraying combined with gelification or coagulation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B63/00—Lakes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q13/00—Formulations or additives for perfume preparations
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • C01P2006/17—Pore diameter distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2989—Microcapsule with solid core [includes liposome]

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Zoology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dermatology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Birds (AREA)
  • Environmental Sciences (AREA)
  • Silicon Compounds (AREA)
  • Cosmetics (AREA)
  • Colloid Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Toilet Supplies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP63139224A 1987-06-05 1988-06-06 Porous spherical silica and manufacture Granted JPS6452606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878713263A GB8713263D0 (en) 1987-06-05 1987-06-05 Spheroidal silica

Publications (2)

Publication Number Publication Date
JPS6452606A true JPS6452606A (en) 1989-02-28
JPH058128B2 JPH058128B2 (ja) 1993-02-01

Family

ID=10618477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63139224A Granted JPS6452606A (en) 1987-06-05 1988-06-06 Porous spherical silica and manufacture

Country Status (6)

Country Link
US (1) US5011690A (ja)
EP (1) EP0294206B1 (ja)
JP (1) JPS6452606A (ja)
AT (1) ATE93493T1 (ja)
DE (1) DE3883432D1 (ja)
GB (1) GB8713263D0 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04265149A (ja) * 1990-09-27 1992-09-21 Quest Internatl Nederland Bv 包封する方法及び包封された物質を含有する製品
JP2007517770A (ja) * 2003-10-03 2007-07-05 ザ プロクター アンド ギャンブル カンパニー 局所用組成物
CN113184863A (zh) * 2021-05-11 2021-07-30 北京工业大学 一种类球形多孔二氧化硅粉体的制备方法

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US4954285A (en) * 1988-03-07 1990-09-04 The Procter & Gamble Company Perfume, particles, especially for use in dryer released fabric softening/antistatic agents
EP0332259B1 (en) * 1988-03-07 1997-05-14 The Procter & Gamble Company Laundry compositions containing peroxyacid bleach and perfume particles
FR2631620B1 (fr) * 1988-05-19 1990-07-27 Rhone Poulenc Chimie Nouvelle silice precipitee absorbante et composition a base de cette s ilice
JPH0639368B2 (ja) * 1990-02-28 1994-05-25 株式会社萩原技研 シリカゲルを母体とした抗菌性組生物
JP2590653B2 (ja) * 1990-11-28 1997-03-12 松下電器産業株式会社 抗菌性複合体、その製造法、それを用いた樹脂およびコ−キング材
GB9120951D0 (en) * 1991-10-02 1991-11-13 Unilever Plc Perfume particles
CN1066617C (zh) * 1992-07-10 2001-06-06 诺瓦特克有限公司 含有胶态二氧化硅的增香组合物及其制造和使用方法
IL106300A (en) * 1992-07-10 1997-07-13 Novatech Inc Flavor-enhancing composition containing colloidal silica and processes for its preparation
US6703066B1 (en) * 1992-07-10 2004-03-09 Robert R. Holcomb Flavor enhancer composition containing colloidal silica and method for its preparation and use
DE4301266C2 (de) * 1993-01-19 1996-02-01 Wolfgang Metzger Neue Parfümkomplex-Zusammensetzung mit verbesserter Substantivität sowie deren Verwendung
EP0691857A1 (en) * 1993-03-31 1996-01-17 The Procter & Gamble Company Absorbent articles for odor control with positive scent signal
TR28670A (tr) * 1993-06-02 1996-12-17 Procter & Gamble Zeolitleri iceren parfüm birakma sistemi.
DE4416001C2 (de) * 1994-05-06 1997-12-11 Feinchemie Gmbh Sebnitz Komposite zur steuerbaren Wirkstoff-Freisetzung
US5637401A (en) * 1994-06-08 1997-06-10 Fragrance Technology Trust Odorant composition, delivery system and method
DE19516253A1 (de) * 1995-04-26 1996-10-31 Grace Gmbh Mattierungsmittel auf Basis von aggregiertem Siliciumdioxid mit verbesserter Effizienz
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US5935917A (en) * 1996-06-26 1999-08-10 Lever Brothers Company Bar composition comprising entrapped emollient droplets dispersed therein
EP0820762A1 (en) * 1996-07-15 1998-01-28 Unilever Plc Perfume compositions
US5904918A (en) * 1996-11-04 1999-05-18 L'oreal S.A. Cosmetic powder composition
SE9704400D0 (sv) 1997-11-28 1997-11-28 Astra Ab Porous inorganic particles as carriers for drug substances
US6267970B1 (en) 1998-03-23 2001-07-31 Avon Products, Inc. Cream cosmetic base with powdery feel
WO2000006124A2 (en) * 1998-07-30 2000-02-10 Point Biomedical Corporation A novel excipient for the lyophilization of aqueous suspensions of microparticles
GB9818782D0 (en) * 1998-08-28 1998-10-21 Crosfield Joseph & Sons Granular compositions
DE10064638A1 (de) * 2000-12-22 2002-07-04 Henkel Kgaa Silikatische Partikel
US7462366B2 (en) 2002-03-29 2008-12-09 Boston Scientific Scimed, Inc. Drug delivery particle
US7842377B2 (en) 2003-08-08 2010-11-30 Boston Scientific Scimed, Inc. Porous polymeric particle comprising polyvinyl alcohol and having interior to surface porosity-gradient
US8012454B2 (en) 2002-08-30 2011-09-06 Boston Scientific Scimed, Inc. Embolization
US7883490B2 (en) 2002-10-23 2011-02-08 Boston Scientific Scimed, Inc. Mixing and delivery of therapeutic compositions
US7294363B2 (en) * 2002-12-19 2007-11-13 Owens Corning Intellectual Capital, Llc Methods of forming decorative veils
EP1627629A4 (en) * 2003-02-05 2006-11-29 Miyoshi Kasei Inc SKIN LOTION
WO2004111612A2 (en) 2003-03-05 2004-12-23 The Regents Of The University Of California Porous nanostructures and methods involving the same
DE10361084A1 (de) 2003-06-13 2005-01-05 Henkel Kgaa Lagerstabile Bleichmittelzusammensetzungen auf Basis von Peroxycarbonsäuren
US7976823B2 (en) 2003-08-29 2011-07-12 Boston Scientific Scimed, Inc. Ferromagnetic particles and methods
US7901770B2 (en) 2003-11-04 2011-03-08 Boston Scientific Scimed, Inc. Embolic compositions
US7736671B2 (en) 2004-03-02 2010-06-15 Boston Scientific Scimed, Inc. Embolization
US8173176B2 (en) 2004-03-30 2012-05-08 Boston Scientific Scimed, Inc. Embolization
US7311861B2 (en) 2004-06-01 2007-12-25 Boston Scientific Scimed, Inc. Embolization
US7727555B2 (en) 2005-03-02 2010-06-01 Boston Scientific Scimed, Inc. Particles
US7858183B2 (en) 2005-03-02 2010-12-28 Boston Scientific Scimed, Inc. Particles
US7820609B2 (en) 2005-04-13 2010-10-26 The Procter & Gamble Company Mild, structured, multi-phase personal cleansing compositions comprising density modifiers
CA2603299A1 (en) * 2005-04-13 2006-10-26 The Procter & Gamble Company Structured multi-phased personal care composition comprising branched anionic surfactants
US7963287B2 (en) 2005-04-28 2011-06-21 Boston Scientific Scimed, Inc. Tissue-treatment methods
US20060269441A1 (en) * 2005-05-25 2006-11-30 Ochomogo Maria G Nanosilica-based food contact sanitizer
US20120015009A9 (en) * 2005-06-07 2012-01-19 The Procter & Gamble Company Multi-phased personal care composition comprising a blooming perfume composition
US9463426B2 (en) 2005-06-24 2016-10-11 Boston Scientific Scimed, Inc. Methods and systems for coating particles
WO2007066310A2 (en) * 2005-12-08 2007-06-14 The Procter & Gamble Company A container comprising an in-mold label positioned proximate to a surface topography
US7947368B2 (en) 2005-12-21 2011-05-24 Boston Scientific Scimed, Inc. Block copolymer particles
US20070167338A1 (en) * 2006-01-09 2007-07-19 Mchugh Colin M Multiphase personal care compositions comprising beads
US8104616B2 (en) 2006-02-11 2012-01-31 The Procter & Gamble Company Clamshell package for holding and displaying consumer products
US8153144B2 (en) * 2006-02-28 2012-04-10 The Proctor & Gamble Company Stable multiphase composition comprising alkylamphoacetate
US20090028808A1 (en) * 2007-07-27 2009-01-29 The Procter & Gamble Company Personal care article for sequentially dispensing compositions with variable concentrations of partitioned benefit or suspended benefit agents
US20090029900A1 (en) * 2007-07-27 2009-01-29 The Procter & Gamble Company Personal care article for sequentially dispensing compositions with distinct fragrance characters
US20090028809A1 (en) * 2007-07-27 2009-01-29 Jonathan Robert Cetti Personal care article for sequentially dispensing compositions with variable concentrations of hydrophobic benefit materials
AU2009342893B2 (en) * 2009-03-27 2014-03-06 Australian Nuclear Science And Technology Organisation Triggered release

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JPS5274620A (en) * 1975-11-25 1977-06-22 Du Pont Micro spherules of micro porous silica containing pigment
JPS546251A (en) * 1977-06-15 1979-01-18 Mazda Motor Corp Digital display automotive clock
JPS6128605A (ja) * 1984-07-18 1986-02-08 株式会社日立ホームテック 発光表示装置

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Publication number Priority date Publication date Assignee Title
JPS5274620A (en) * 1975-11-25 1977-06-22 Du Pont Micro spherules of micro porous silica containing pigment
JPS546251A (en) * 1977-06-15 1979-01-18 Mazda Motor Corp Digital display automotive clock
JPS6128605A (ja) * 1984-07-18 1986-02-08 株式会社日立ホームテック 発光表示装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04265149A (ja) * 1990-09-27 1992-09-21 Quest Internatl Nederland Bv 包封する方法及び包封された物質を含有する製品
JP2007517770A (ja) * 2003-10-03 2007-07-05 ザ プロクター アンド ギャンブル カンパニー 局所用組成物
CN113184863A (zh) * 2021-05-11 2021-07-30 北京工业大学 一种类球形多孔二氧化硅粉体的制备方法
CN113184863B (zh) * 2021-05-11 2022-12-02 北京工业大学 一种类球形多孔二氧化硅粉体的制备方法

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JPH058128B2 (ja) 1993-02-01
ATE93493T1 (de) 1993-09-15
EP0294206A2 (en) 1988-12-07
EP0294206A3 (en) 1991-01-30
US5011690A (en) 1991-04-30
GB8713263D0 (en) 1987-07-08
EP0294206B1 (en) 1993-08-25
DE3883432D1 (de) 1993-09-30

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