CA992257A - Titanium dioxide nacreous pigments and process for the preparation thereof - Google Patents

Titanium dioxide nacreous pigments and process for the preparation thereof

Info

Publication number
CA992257A
CA992257A CA173,145A CA173145A CA992257A CA 992257 A CA992257 A CA 992257A CA 173145 A CA173145 A CA 173145A CA 992257 A CA992257 A CA 992257A
Authority
CA
Canada
Prior art keywords
preparation
titanium dioxide
nacreous pigments
dioxide nacreous
pigments
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
Application number
CA173,145A
Other languages
English (en)
Other versions
CA173145S (en
Inventor
George R. Waitkins
Carmine V. Deluca (Jr.)
Forrest S. Wilcox
Harold A. Miller
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.)
Mearl Corp
Original Assignee
Mearl Corp
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 Mearl Corp filed Critical Mearl Corp
Application granted granted Critical
Publication of CA992257A publication Critical patent/CA992257A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/021—Calcium carbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • 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
    • C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • 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
    • C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • C09C1/0021—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a core coated with only one layer having a high or low refractive index
    • 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
    • C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • C09C1/0024—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating high and low refractive indices, wherein the first coating layer on the core surface has the high refractive index
    • 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
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • 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
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • 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
    • C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/10—Interference pigments characterized by the core material
    • C09C2200/1004—Interference pigments characterized by the core material the core comprising at least one inorganic oxide, e.g. Al2O3, TiO2 or SiO2
    • 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
    • C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/10—Interference pigments characterized by the core material
    • C09C2200/1087—Interference pigments characterized by the core material the core consisting of bismuth oxychloride, magnesium fluoride, nitrides, carbides, borides, lead carbonate, barium or calcium sulfate, zinc sulphide, molybdenum disulphide or graphite
    • 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
    • C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/30—Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
    • C09C2200/301—Thickness of the core
    • 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
    • C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/30—Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
    • C09C2200/302—Thickness of a layer with high refractive material
    • 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
    • C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/30—Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
    • C09C2200/308—Total thickness of the pigment particle
    • 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
    • C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/40—Interference pigments comprising an outermost surface coating
    • C09C2200/401—Inorganic protective coating
    • 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.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Cosmetics (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paints Or Removers (AREA)
  • Silicon Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
CA173,145A 1972-07-21 1973-06-04 Titanium dioxide nacreous pigments and process for the preparation thereof Expired CA992257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US273747A US3861946A (en) 1972-07-21 1972-07-21 Titanium dioxide nacreous pigments and process for the preparation thereof

Publications (1)

Publication Number Publication Date
CA992257A true CA992257A (en) 1976-07-06

Family

ID=23045239

Family Applications (1)

Application Number Title Priority Date Filing Date
CA173,145A Expired CA992257A (en) 1972-07-21 1973-06-04 Titanium dioxide nacreous pigments and process for the preparation thereof

Country Status (7)

Country Link
US (1) US3861946A (cs)
JP (1) JPS5629708B2 (cs)
CA (1) CA992257A (cs)
DE (1) DE2337094C3 (cs)
FR (1) FR2193859B1 (cs)
GB (1) GB1416960A (cs)
IT (1) IT1009528B (cs)

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* Cited by examiner, † Cited by third party
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US4038099A (en) * 1971-08-30 1977-07-26 The Mearl Corporation Rutile-coated mica nacreous pigments and process for the preparation thereof
US4010293A (en) * 1975-02-13 1977-03-01 Chester Davis Enhancement of iridescent colors to provide vivid colorants and printing inks
JPS5310372A (en) * 1976-07-16 1978-01-30 Mitsui Eng & Shipbuild Co Ltd Absorbing and separating method for acidic gas component
US4242428A (en) * 1977-10-21 1980-12-30 Chester Davis Additive system of color photography based on iridescent pigments
US4192691A (en) * 1978-10-26 1980-03-11 The Mearl Corporation Metal oxide platelets as nacreous pigments
DE3000250A1 (de) * 1980-01-05 1981-07-16 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zum entfernen von h(pfeil abwaerts)2(pfeil abwaerts)s, co(pfeil abwaerts)2(pfeil abwaerts), cos und merkaptanen aus gasen durch absorption
DE3151354A1 (de) * 1981-12-24 1983-07-07 Merck Patent Gmbh, 6100 Darmstadt Perlglanzpigmente, verfahren zu ihrer herstellung und ihre verwendung
JPH0662387B2 (ja) * 1985-01-11 1994-08-17 住友化学工業株式会社 化粧料
JPH0755890B2 (ja) * 1986-11-10 1995-06-14 株式会社資生堂 化粧料
US4877604A (en) * 1987-09-04 1989-10-31 Schlossman Mitchell L Method of incorporating cosmetic pigments and bases into products containing oil and water phases
LU87030A1 (fr) * 1987-10-28 1989-05-08 Oreal Utilisation en cosmetique de nouvelles substances a titre de reflecteurs du rayonnement infrarouge,compositions cosmetiques les contenant et leur utilisation pour la protection de l'epiderme humain contre le rayonnement infrarouge
US5396913A (en) * 1993-07-26 1995-03-14 Wallschlaeger; Gunnar J. Cosmetic applicator
US5624731A (en) * 1995-03-10 1997-04-29 Desjardins; Alexander Multi-color, multi-image retroflective goniochromatic display
US5611851A (en) 1995-12-13 1997-03-18 The Mearl Corporation Process for preparing unsupported metal oxide nacreous pigments
US5753023A (en) * 1996-04-30 1998-05-19 Flex Products, Inc. Method for manufacture of small dimension product
DE19618562A1 (de) * 1996-05-09 1997-11-13 Merck Patent Gmbh Plättchenförmiges Titandioxidreduktionspigment
DE19625267A1 (de) * 1996-06-25 1998-01-08 Bayer Ag Verfahren zur Herstellung anorganisch beschichteter Pigmente und Füllstoffe
US5972359A (en) * 1997-05-23 1999-10-26 The Procter & Gamble Company Skin care compositions and method of improving skin appearance
US5997890A (en) * 1997-05-23 1999-12-07 The Procter & Gamble Company Skin care compositions and method of improving skin appearance
US6174533B1 (en) 1997-05-23 2001-01-16 The Procter & Gamble Company Skin care compositions and method of improving skin appearance
JP2002511141A (ja) * 1997-06-18 2002-04-09 イノーファ・ゲゼルシャフト・ツーァ・エントヴィックルング・ウント・フェアマルクトゥング・イノファティファー・プロドゥクテ・エムベーハー 生物学的活性レセプターを有する磁性粒子
US6013270A (en) * 1998-04-20 2000-01-11 The Procter & Gamble Company Skin care kit
KR100283124B1 (ko) * 1998-06-09 2001-04-02 서경배 색조화장료용복합분체의제조방법및이것에의해제조된복합분체를함유하는색조화장료
CN1168663C (zh) * 1998-08-19 2004-09-29 昭和电工株式会社 含钛的细微颗粒物质，水溶胶组合物，含该物质的涂料液，该涂料液的制造方法及有该物质膜的成型制品
US6610135B1 (en) * 1998-08-19 2003-08-26 Showa Denko K.K. Titanium-containing finely divided particulate material, aqueous sol composition and coating liquid containing same, process for producing same, and shaped article having film thereof
US6056815A (en) * 1999-03-08 2000-05-02 Em Industries, Inc. Methods and compositions related to pearlescent pigments
US6165260A (en) * 1999-03-30 2000-12-26 Engelhard Corporation Pearlescent pigments exhibiting color travel
EP1072651B1 (en) * 1999-07-29 2004-09-29 MERCK PATENT GmbH Pigment in thin flakes and a method for manufacturing the same
TWI290472B (en) * 1999-12-17 2007-12-01 Kao Corp Cosmetic composition
US20050061205A1 (en) * 2001-08-10 2005-03-24 Nihonkoken Kougyo Kabushiki Kaisha Titanium oxide composition having high brilliant color, composition comprising coating and cosmetic composition, and method for their preparation
CN100340622C (zh) * 2001-11-29 2007-10-03 本田加拿多有限公司 用于含有白色珠光涂料制剂的白色颜料
US6706109B2 (en) * 2002-05-14 2004-03-16 Engelhard Corporation Optically variable interference pigments
CA2528855C (en) * 2003-06-26 2009-12-01 Playtex Products, Inc. A coating composition and articles coated therewith
US7226436B2 (en) 2004-03-08 2007-06-05 Playtex Products, Inc. Cardboard tampon applicator with optical enhancing material coated on inner layers
US7118622B2 (en) * 2004-05-19 2006-10-10 Engelhard Corporation Organic dyes suitable for use in drugs and cosmetics laked onto a platy titanium dioxide pigment
DE102005022076A1 (de) * 2005-02-25 2006-09-07 Heubach Gmbh Pastellweißes, feinteiliges, hochdeckendes und dotiertes Rutilpigment mit verminderter Photoaktivität, ein Verfahren zu dessen Herstellung und dessen Verwendung
ES2622110T3 (es) * 2005-10-03 2017-07-05 Dainichiseika Color & Chemicals Mfg. Co., Ltd. Pigmento perlescente, procesos para producir el mismo, composición de material de revestimiento y composición de película de revestimiento
BRPI0817962B1 (pt) * 2007-10-19 2021-05-11 Biointraface, Inc método de formar um revestimento
EP2123721B1 (de) 2008-04-15 2013-11-27 Eckart GmbH Perlglanzpigmente auf Basis von feinen und dünnen Substraten
CN101475215B (zh) * 2009-01-06 2011-02-09 重庆科昌科技有限公司 一种复合二氧化钛及其制备方法
DE102009049413A1 (de) * 2009-10-14 2011-04-21 Eckart Gmbh Perlglanzpigmente auf Basis von feinen und dünnen synthetischen Substraten
DE102020003477A1 (de) * 2020-06-10 2021-12-16 DÖHLER GmbH Pigment für die Weißfärbung von Lebensmitteln, Nahrungsergänzungsmitteln, kosmetischen oder pharmazeutischen Produkten

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BE337707A (cs) *
US2941895A (en) * 1956-09-11 1960-06-21 Du Pont Pigmentary product and process for making same
US3018186A (en) * 1957-03-20 1962-01-23 Monsanto Chemicals Laminar titanium dioxide
NL283472A (cs) * 1959-02-27 1900-01-01
US3087828A (en) * 1961-06-28 1963-04-30 Du Pont Nacreous pigment compositions
US3340006A (en) * 1963-05-01 1967-09-05 Corning Glass Works Method of producing thin flakes of metal oxide
GB1022590A (en) * 1963-10-04 1966-03-16 British Titan Products Pigment preparation
US3437515A (en) * 1965-01-11 1969-04-08 Mearl Corp Method of coating surfaces with high index oxides
US3395203A (en) * 1965-07-06 1968-07-30 Koppers Co Inc Method of making titanium dioxide nacreous pigment
US3453129A (en) * 1967-03-09 1969-07-01 Nat Lead Co Method of preparing a rutile titanium dioxide-anhydrite composite pigment
NL165205C (nl) * 1969-07-08 1981-03-16 Merck Ag E Werkwijze voor het aanbrengen van gelijkmatige titaan- dioxydebekledingen door hydrolyse van titaanzouten.

Also Published As

Publication number Publication date
US3861946A (en) 1975-01-21
FR2193859A1 (cs) 1974-02-22
JPS4945129A (cs) 1974-04-30
FR2193859B1 (cs) 1979-03-16
DE2337094A1 (de) 1974-01-31
GB1416960A (en) 1975-12-10
DE2337094C3 (de) 1981-08-27
IT1009528B (it) 1976-12-20
JPS5629708B2 (cs) 1981-07-10
DE2337094B2 (de) 1980-10-02

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