AU2002210622A1 - High-structured silica granules and their use in dental compositions - Google Patents

High-structured silica granules and their use in dental compositions

Info

Publication number
AU2002210622A1
AU2002210622A1 AU2002210622A AU1062202A AU2002210622A1 AU 2002210622 A1 AU2002210622 A1 AU 2002210622A1 AU 2002210622 A AU2002210622 A AU 2002210622A AU 1062202 A AU1062202 A AU 1062202A AU 2002210622 A1 AU2002210622 A1 AU 2002210622A1
Authority
AU
Australia
Prior art keywords
thickening
granules
dental compositions
structured
mean diameter
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.)
Abandoned
Application number
AU2002210622A
Inventor
Jean-Claude Kiefer
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.)
Rhodia Chimie SAS
Original Assignee
Rhodia Chimie SAS
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 Rhodia Chimie SAS filed Critical Rhodia Chimie SAS
Publication of AU2002210622A1 publication Critical patent/AU2002210622A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • 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
    • A61Q19/10—Washing or bathing preparations
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • 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
    • A61K2800/28—Rubbing or scrubbing compositions; Peeling or abrasive compositions; Containing exfoliants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • 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
    • C01P2006/19—Oil-absorption capacity, e.g. DBP 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
    • C01P2006/82—Compositional purity water content

Abstract

The invention concerns high structured (thickening) precipitation silica granules with having a mean diameter of at least 150 m, preferably at least 250 mu m, and a cohesion factor of at least 0.3, preferably 0.45 to 0.75, obtained by wet process granulation of high structured (thickening) precipitation silica with drying and optionally sieving, the granulation step being carried out using: a rotor apparatus comprising shearing means capable of developing a peripheral speed at the rotor end ranging between 0.5 m.s and 0.8 m. s; at least a high structured (thickening) precipitation silica powder with having an oil absorption DOP of at least 230 ml/100g; a mean diameter D50 of at least 14 mu m, more particularly 14 to 30 mu m, and water (W) as binder, the weight ratio Rm of the total amount of water (WT) over the amount of silica expressed in dry weight being more than 1.4 and less than 3. The invention also concerns the use of said granules as thickening agents with oral sensory effect in dental compositions.
AU2002210622A 2000-10-12 2001-10-09 High-structured silica granules and their use in dental compositions Abandoned AU2002210622A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0013085 2000-10-12
FR0013085A FR2815335B1 (en) 2000-10-12 2000-10-12 HIGH STRUCTURE SILICA GRANULES AND THEIR USE IN DENTAL COMPOSITIONS
PCT/FR2001/003104 WO2002030817A1 (en) 2000-10-12 2001-10-09 High-structured silica granules and their use in dental compositions

Publications (1)

Publication Number Publication Date
AU2002210622A1 true AU2002210622A1 (en) 2002-04-22

Family

ID=8855287

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002210622A Abandoned AU2002210622A1 (en) 2000-10-12 2001-10-09 High-structured silica granules and their use in dental compositions

Country Status (6)

Country Link
EP (1) EP1328474B1 (en)
AT (1) ATE359234T1 (en)
AU (1) AU2002210622A1 (en)
DE (1) DE60127851D1 (en)
FR (1) FR2815335B1 (en)
WO (1) WO2002030817A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2891539B1 (en) * 2005-09-30 2007-11-30 Rhodia Recherches & Tech HIGH COHESION SILICA, PROCESS FOR PREPARATION AND USES

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639844A1 (en) * 1986-11-21 1988-06-01 Degussa DENTAL CARE
GB2272640A (en) * 1992-11-24 1994-05-25 Unilever Plc Oral compositions
WO1996009034A1 (en) * 1994-09-21 1996-03-28 Unilever N.V. Oral compositions
AU3565195A (en) * 1994-09-21 1996-04-09 Crosfield Limited Granular compositions
GB9602797D0 (en) * 1996-02-12 1996-04-10 Unilever Plc Inorganic material in particles form
GB9726227D0 (en) * 1997-12-12 1998-02-11 Crosfield Joseph & Sons Particle agglomerates

Also Published As

Publication number Publication date
DE60127851D1 (en) 2007-05-24
FR2815335A1 (en) 2002-04-19
ATE359234T1 (en) 2007-05-15
EP1328474B1 (en) 2007-04-11
EP1328474A1 (en) 2003-07-23
FR2815335B1 (en) 2002-12-13
WO2002030817A1 (en) 2002-04-18

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