ES2070594T3 - Metodo de preparar protectores del sol. - Google Patents
Metodo de preparar protectores del sol.Info
- Publication number
- ES2070594T3 ES2070594T3 ES92308996T ES92308996T ES2070594T3 ES 2070594 T3 ES2070594 T3 ES 2070594T3 ES 92308996 T ES92308996 T ES 92308996T ES 92308996 T ES92308996 T ES 92308996T ES 2070594 T3 ES2070594 T3 ES 2070594T3
- Authority
- ES
- Spain
- Prior art keywords
- zinc oxide
- dispersion
- per gram
- liters per
- mixed
- 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 - Lifetime
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/007—Metal oxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/044—Suspensions
-
- 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
- A61K8/27—Zinc; Compounds thereof
-
- 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
- A61K8/29—Titanium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
-
- 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
- C09C1/04—Compounds of zinc
- C09C1/043—Zinc oxide
-
- 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
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/26—Optical properties
- A61K2800/262—Transparent; Translucent
-
- 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
- A61K2800/413—Nanosized, i.e. having sizes below 100 nm
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/02—Amorphous compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
-
- 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
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nanotechnology (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Molecular Biology (AREA)
- Composite Materials (AREA)
- Pharmacology & Pharmacy (AREA)
- Medical Informatics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Biophysics (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Dermatology (AREA)
- Cosmetics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
SE PRESENTA UN METODO PARA PREPARAR FILTROS SOLARES EN EL CUAL SE FORMA UNA DISPERSION DE PARTICULOS DE OXIDO DE ZINC EN ACEITE MEDIANTE SU PULVERIZACION EN LA PRESENCIA DE UN MEDIO DE PULVERIZACION EN PARTICULAS Y SE MEZCLA CON MATERIALES COSMETICAMENTE ACEPTABLES. LAS PARTICULAS DE OXIDO DE ZINC TIENEN UN TAMAÑO MEDIO DE ENTRE 0.005 Y 0.15 MICRONES Y LA DISPERSION ES SUBSTANCIALMENTE TRANPARENTE A LA LUZ VISIBLE PERO CON UN COEFICIENTE DE EXTENSION EN 308 RUN (E(308)) Y EN 360 NM (E(360)) DE AL MENOS 9 LITROS POR GRAMO POR CENTIMETRO. LA RELACION E(360):E(308) SE ENCUENTRA EN LA BANDA DE ENTRE 0.75:1 Y 1.5:1. EN UN METODO MAS ADECUADO SE USA UNA DISPERSION MEZCLADA QUE CONTIENE DIOXIDO DE TITANIO Y OXIDO DE ZINC, QUE TIENE UN E(308) DE AL MENOS 15 LITROS POR GRAMO POR CENTIMETRO, UN E(360) DE AL MENOS 10 LITROS POR GRAMPO POR CENTIMETRO Y LA RELACION E(360):E(308) SE ENCUENTRA EN LA BANDA DE ENTRE 0.3:1 Y 1.5:1. TAMBIEN SE RECLAMA LA INSCRIPCION DE LA DISPERSION MEZCLADA. LOS FILTROS SOLARES TIENEN UN BUEN EQUILIBRIO DE ABSORCION DE LA RADIACION UVA Y UVB Y UNOS MEJORES VALORES SPF QUE LOS QUE SE PREPARAN A PARTIR DE POLVOS DE OXIDO DE TATINIO Y/O DE OXIDO DE ZINC.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919121153A GB9121153D0 (en) | 1991-10-04 | 1991-10-04 | Method of preparing sunscreens |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2070594T3 true ES2070594T3 (es) | 1995-06-01 |
Family
ID=10702449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92308996T Expired - Lifetime ES2070594T3 (es) | 1991-10-04 | 1992-10-01 | Metodo de preparar protectores del sol. |
Country Status (9)
Country | Link |
---|---|
US (2) | US5573753A (es) |
EP (1) | EP0535972B1 (es) |
JP (1) | JP3725181B2 (es) |
AU (1) | AU655070B2 (es) |
CA (1) | CA2078594C (es) |
DE (1) | DE69201934T2 (es) |
ES (1) | ES2070594T3 (es) |
GB (2) | GB9121153D0 (es) |
ZA (1) | ZA927378B (es) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9121143D0 (en) * | 1991-10-04 | 1991-11-13 | Tioxide Chemicals Limited | Dispersions |
DE4232143A1 (de) * | 1992-09-25 | 1994-03-31 | Claus E Dr Med Lange | Topische Pflegemittel oder Arzneimittel, enthaltend feinteiliges transparentes Zinkoxid |
GB9224529D0 (en) * | 1992-11-24 | 1993-01-13 | Tioxide Group Services Ltd | Coated titanium dioxide |
FI101396B1 (fi) * | 1993-06-03 | 1998-06-15 | Kemira Pigments Oy | Kiinteä UV-suoja-aine, sen valmistus ja käyttö |
FR2711918B1 (fr) * | 1993-11-02 | 1996-01-26 | Fabre Pierre Cosmetique | Composition dermato-cosmétique, composition notamment photoprotectrice et leur procédé de préparation. |
JPH08510440A (ja) * | 1994-03-11 | 1996-11-05 | ピー キュー コーポレイション | コロイド状酸化亜鉛 |
US20030109588A1 (en) * | 1994-04-06 | 2003-06-12 | Helmut Schmidt | Method of producing homogeneous multicomponent dispersions and products derived from such dispersions |
FR2731615B1 (fr) * | 1995-03-15 | 1997-07-25 | Fabre Pierre Dermo Cosmetique | Compositions ecran-solaire comprenant un melange de particules d'oxyde de titane et/ou de zinc, leur procede de preparation et leur utilisation |
JP3819069B2 (ja) * | 1995-06-02 | 2006-09-06 | 三好化成株式会社 | 化粧料 |
ZA964872B (en) | 1995-06-08 | 1997-12-08 | Johnson & Johnson Consumer | Sunscreen compositions. |
US6083490A (en) * | 1995-11-06 | 2000-07-04 | M&J Consultants Pty Ltd | UV absorbing compositions |
US6740312B2 (en) | 1996-02-15 | 2004-05-25 | Rhodia Chimie | Titanium dioxide particles |
GB9616978D0 (en) * | 1996-08-13 | 1996-09-25 | Tioxide Specialties Ltd | Zinc oxide dispersions |
AU9663498A (en) | 1997-09-24 | 1999-04-12 | B.F. Goodrich Company, The | Sunscreen composition |
CN100335413C (zh) * | 1997-11-18 | 2007-09-05 | 株式会社资生堂 | 透明性优良的紫外线遮蔽性氧化锌及含此的组合物 |
JP2007182382A (ja) * | 1997-11-18 | 2007-07-19 | Shiseido Co Ltd | 透明性に優れる紫外線遮蔽性酸化亜鉛の製造方法 |
US6132739A (en) * | 1998-09-01 | 2000-10-17 | Amway Corporation | Makeup compositions and methods of making same |
GB9819366D0 (en) | 1998-09-04 | 1998-10-28 | Unilever Plc | Antiperspirant material and compositions containing it |
JP2000204032A (ja) * | 1999-01-13 | 2000-07-25 | Ajinomoto Co Inc | 化粧料、皮膚外用剤 |
FR2789602B1 (fr) * | 1999-02-17 | 2001-05-11 | Rhodia Chimie Sa | Sol organique et compose solide a base d'oxyde de titane et d'un compose amphiphile et procedes de preparation |
US6165450A (en) * | 1999-05-03 | 2000-12-26 | Em Industries, Inc. | Sprayable sunscreen compositions |
GB0015381D0 (en) * | 2000-06-26 | 2000-08-16 | Acma Ltd | Particulate metal oxide |
DE10035451C2 (de) * | 2000-07-19 | 2002-12-05 | November Ag Molekulare Medizin | Verfahren und Vorrichtung zur Identifizierung einer Polymersequenz |
BR0200007A (pt) * | 2002-01-04 | 2003-10-28 | Natura Cosmeticos Sa | Dispersão oleosa de pigmentos protetores contra radiação uv, processo para sua preparaçao e composiçao cosmética |
AUPS080802A0 (en) * | 2002-02-27 | 2002-03-21 | Advanced Powder Technology Pty Ltd | A zinc oxide powder for use in a sunscreen composition |
AU2008200376B2 (en) * | 2002-02-27 | 2009-04-30 | Antaria Limited | A substantially visibly transparent topical physical sunscreen formulation |
EP1487401A4 (en) * | 2002-02-27 | 2008-09-03 | Advanced Nanotechnology Ltd | TOPICAL PHYSICAL SOLAR SCREEN FORMULATION SUBSTANTIALLY TRANSPARENT |
AU2003205436B2 (en) * | 2002-02-27 | 2007-11-22 | Antaria Limited | A substantially visibly transparent topical physical sunscreen formulation |
GB0313432D0 (en) * | 2003-06-11 | 2003-07-16 | Ici Plc | Particulate zinc oxide |
GB0406037D0 (en) * | 2004-03-18 | 2004-04-21 | Ici Plc | Metal oxide dispersion |
US9949904B2 (en) * | 2007-12-05 | 2018-04-24 | Kobo Products Inc. | Method of formulating zinc oxide powder blends for balanced UVA/UVB attenuation |
WO2007048057A2 (en) * | 2005-10-21 | 2007-04-26 | Kobo Products Inc. | Zinc oxide powder blends, their production and use |
US20110150792A1 (en) * | 2008-12-10 | 2011-06-23 | Yun Shao | Zinc oxide aqueous and non-aqueous dispersions |
US20090162302A1 (en) * | 2005-11-15 | 2009-06-25 | Pola Chemical Industries Inc. | Organic inorganic composite powder, method of producing the same, and composition containing the powder |
JP2007161648A (ja) * | 2005-12-14 | 2007-06-28 | Shiseido Co Ltd | 微粒子酸化亜鉛分散物及びそれを含む化粧料 |
US20070280895A1 (en) * | 2006-06-02 | 2007-12-06 | Weimer Alan W | Coated particles and sunscreen and cosmetic products containing same |
EP2027192A1 (en) * | 2006-06-15 | 2009-02-25 | CRODA INTERNATIONAL plc | Uv absorbing composition |
NZ573609A (en) * | 2006-06-15 | 2011-09-30 | Croda Int Plc | Uv absorbing polymeric composition with zinc oxide particles |
WO2008058755A1 (en) * | 2006-11-17 | 2008-05-22 | Abbott Gmbh & Co. Kg | Nanocrystals for use in topical cosmetic formulations and method of production thereof |
US20080299057A1 (en) * | 2007-05-29 | 2008-12-04 | Samuel Qcheng Sun Lin | Method and compositions for dispersing particulate solids in oil |
CN102176889A (zh) * | 2008-10-07 | 2011-09-07 | 联合碳化化学品及塑料技术公司 | 护发组合物及方法 |
US20120148513A1 (en) | 2009-06-30 | 2012-06-14 | Dow Global Technologies Inc. | Sunscreen-containing dissolvable films |
US8858922B2 (en) * | 2009-11-20 | 2014-10-14 | 3rd Rock Sunblock, Inc. | Broad spectrum UVA stable, non-toxic, zinc oxide based complex |
US8436077B2 (en) | 2009-12-16 | 2013-05-07 | Cristal Usa Inc. | Lipid-treated particles and polymers containing the particles |
CN102985063B (zh) * | 2009-12-16 | 2015-11-25 | 陶氏环球技术有限责任公司 | 加入甲基纤维素作为spf和/或ppd增强剂的防晒剂组合物及方法 |
GB0922552D0 (en) * | 2009-12-23 | 2010-02-10 | Croda Int Plc | Particulate titanium dioxide |
US8685309B2 (en) | 2010-04-26 | 2014-04-01 | The Procter & Gamble Company | Method for making a personal care product |
US8466335B2 (en) | 2010-04-26 | 2013-06-18 | The Procter & Gamble Company | Personal care product |
BR112013025056A2 (pt) | 2011-03-31 | 2016-08-23 | Rohm & Haas | composição para proteção solar |
FI20115968A0 (fi) | 2011-10-03 | 2011-10-03 | Oy Granula Ab Ltd | Vedettömiä suspensioita, antimikrobisia geelejä ja niiden sovelluksia |
US10111821B2 (en) | 2011-11-03 | 2018-10-30 | Applied Biology, Inc. | Methods and compositions for administering a specific wavelength phototherapy |
WO2013067543A1 (en) * | 2011-11-03 | 2013-05-10 | Follea International Ltd. | Methods and compositions for administering a specific wavelength phototherapy |
JP6262146B2 (ja) | 2011-12-22 | 2018-01-17 | ダウ グローバル テクノロジーズ エルエルシー | サンケア製剤及び方法 |
JP6233405B2 (ja) * | 2013-03-14 | 2017-11-22 | 味の素株式会社 | 化粧料組成物 |
BE1021762B1 (fr) * | 2013-12-18 | 2016-01-15 | Societe Industrielle Liegeoise Des Oxydes Sa | Composition d'additif de vulcanisation |
EP3638194A4 (en) * | 2017-06-16 | 2021-03-10 | Kobo Products Inc. | COSMETIC COMPOSITIONS USING TITANIUM DIOXIDE PARTICLES FOR IR PROTECTION |
GB201806041D0 (en) * | 2018-04-12 | 2018-05-30 | Croda Int Plc | Titanium dioxide particles |
GB201806038D0 (en) * | 2018-04-12 | 2018-05-30 | Croda Int Plc | Titanium dioxide particles |
US11091641B2 (en) | 2019-04-09 | 2021-08-17 | Micro Powders, Inc. | Liquid composite emulsions |
US10646412B1 (en) | 2019-04-09 | 2020-05-12 | Micro Powders, Inc. | Micronized composite powder additive |
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US2296636A (en) * | 1938-12-08 | 1942-09-22 | Du Pont | High surface hiding pigment material and process of making the same |
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US2885366A (en) * | 1956-06-28 | 1959-05-05 | Du Pont | Product comprising a skin of dense, hydrated amorphous silica bound upon a core of another solid material and process of making same |
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JPS49450A (es) * | 1972-04-17 | 1974-01-05 | ||
USRE27818E (en) * | 1972-06-02 | 1973-11-27 | Titanium dioxide pigment coated with silica and alumina | |
SU458535A1 (ru) * | 1973-02-23 | 1975-01-30 | Ордена Трудового Красного Знамени Институт Проблем Материаловедения Ан Усср | Шихта дл изготовлени огнеупорного материала |
US3928057A (en) * | 1974-05-30 | 1975-12-23 | Du Pont | TiO{HD 2 {B Pigment coated with porous alumina/silica and dense silica |
US3954496A (en) * | 1974-10-09 | 1976-05-04 | E. I. Du Pont De Nemours And Company | Preparation of dense silica-encapsulated aluminum flake pigment treated with a carboxylic chromic chloride |
IT1030934B (it) * | 1974-12-20 | 1979-04-10 | Sir Soc Italiana Resine Spa | Procedimento per il post trattamento di pigmenti di biossido di titanio |
FR2311823A1 (fr) * | 1975-05-23 | 1976-12-17 | Du Pont | Pigment tio2 revetu de silice dense et d'alumine/silice poreuse |
GB1479988A (en) * | 1975-07-17 | 1977-07-13 | Tioxide Group Ltd | Treatment of pigment |
JPS5272833A (en) * | 1975-12-13 | 1977-06-17 | Rando Engineering Kk | Body paint compound |
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-
1991
- 1991-10-04 GB GB919121153A patent/GB9121153D0/en active Pending
-
1992
- 1992-09-15 GB GB9219533A patent/GB2260130B/en not_active Expired - Fee Related
- 1992-09-17 AU AU24550/92A patent/AU655070B2/en not_active Ceased
- 1992-09-18 CA CA002078594A patent/CA2078594C/en not_active Expired - Fee Related
- 1992-09-25 ZA ZA927378A patent/ZA927378B/xx unknown
- 1992-09-30 US US07/953,265 patent/US5573753A/en not_active Expired - Fee Related
- 1992-10-01 EP EP92308996A patent/EP0535972B1/en not_active Expired - Lifetime
- 1992-10-01 DE DE69201934T patent/DE69201934T2/de not_active Expired - Fee Related
- 1992-10-01 ES ES92308996T patent/ES2070594T3/es not_active Expired - Lifetime
- 1992-10-05 JP JP26630792A patent/JP3725181B2/ja not_active Expired - Fee Related
-
1995
- 1995-06-02 US US08/459,704 patent/US5605652A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69201934T2 (de) | 1995-08-03 |
JPH05201844A (ja) | 1993-08-10 |
CA2078594A1 (en) | 1993-04-05 |
US5605652A (en) | 1997-02-25 |
US5573753A (en) | 1996-11-12 |
DE69201934D1 (de) | 1995-05-11 |
AU655070B2 (en) | 1994-12-01 |
GB2260130A (en) | 1993-04-07 |
JP3725181B2 (ja) | 2005-12-07 |
GB2260130B (en) | 1995-06-21 |
CA2078594C (en) | 1998-11-24 |
AU2455092A (en) | 1993-04-08 |
GB9121153D0 (en) | 1991-11-13 |
ZA927378B (en) | 1993-04-26 |
EP0535972A1 (en) | 1993-04-07 |
EP0535972B1 (en) | 1995-04-05 |
GB9219533D0 (en) | 1992-10-28 |
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