FI112862B - Menetelmä saostetun piihapon valmistamiseksi - Google Patents

Menetelmä saostetun piihapon valmistamiseksi Download PDF

Info

Publication number: FI112862B
Authority: FI; Finland
Prior art keywords: precipitation; surface area; dispersion; dried; silica
Prior art date: 1993-08-07

Application number

FI943648A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI943648A0 (fi

FI943648L (fi

Inventor

Heinz Esch

Robert Kuhlmann

Ralf Rausch

Matthias Neumueller

Karin Otto

Original Assignee

Degussa

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.)

1993-08-07

Filing date

1994-08-05

Publication date

2004-01-30

1994-07-05 Priority claimed from DE4423493A external-priority patent/DE4423493A1/de

1994-08-05 Application filed by Degussa filed Critical Degussa

1994-08-05 Publication of FI943648A0 publication Critical patent/FI943648A0/fi

1995-02-08 Publication of FI943648L publication Critical patent/FI943648L/fi

2004-01-30 Application granted granted Critical

2004-01-30 Publication of FI112862B publication Critical patent/FI112862B/fi

Links

238000004519 manufacturing process Methods 0.000 title claims description 4
235000012239 silicon dioxide Nutrition 0.000 title abstract description 5
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 title description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 42
239000000377 silicon dioxide Substances 0.000 claims abstract description 21
238000001556 precipitation Methods 0.000 claims abstract description 20
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
230000008719 thickening Effects 0.000 claims abstract description 8
239000006185 dispersion Substances 0.000 claims abstract description 7
239000007787 solid Substances 0.000 claims abstract description 7
LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 5
238000001914 filtration Methods 0.000 claims abstract description 5
239000002245 particle Substances 0.000 claims abstract description 5
239000002253 acid Substances 0.000 claims abstract description 4
238000001035 drying Methods 0.000 claims abstract description 4
229910000272 alkali metal oxide Inorganic materials 0.000 claims abstract description 3
229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract description 3
229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 3
239000011707 mineral Substances 0.000 claims abstract description 3
238000000034 method Methods 0.000 claims description 19
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
239000012065 filter cake Substances 0.000 claims description 6
229910004298 SiO 2 Inorganic materials 0.000 claims description 5
239000012528 membrane Substances 0.000 claims description 2
235000013312 flour Nutrition 0.000 claims 1
239000000606 toothpaste Substances 0.000 abstract description 5
238000005299 abrasion Methods 0.000 abstract description 3
238000005406 washing Methods 0.000 abstract description 2
229910052681 coesite Inorganic materials 0.000 abstract 1
229910052906 cristobalite Inorganic materials 0.000 abstract 1
238000003801 milling Methods 0.000 abstract 1
NJTGANWAUPEOAX-UHFFFAOYSA-N molport-023-220-454 Chemical compound OCC(O)CO.OCC(O)CO NJTGANWAUPEOAX-UHFFFAOYSA-N 0.000 abstract 1
229910052682 stishovite Inorganic materials 0.000 abstract 1
229910052905 tridymite Inorganic materials 0.000 abstract 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 11
235000019353 potassium silicate Nutrition 0.000 description 8
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 8
239000000725 suspension Substances 0.000 description 7
239000010949 copper Substances 0.000 description 6
229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
235000010948 carboxy methyl cellulose Nutrition 0.000 description 4
239000000243 solution Substances 0.000 description 4
239000000203 mixture Substances 0.000 description 3
238000002360 preparation method Methods 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
238000000137 annealing Methods 0.000 description 2
239000003792 electrolyte Substances 0.000 description 2
238000000227 grinding Methods 0.000 description 2
239000011734 sodium Substances 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
239000000126 substance Substances 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229920002565 Polyethylene Glycol 400 Polymers 0.000 description 1
241001080137 Tosta Species 0.000 description 1
230000032683 aging Effects 0.000 description 1
238000003556 assay Methods 0.000 description 1
239000001768 carboxy methyl cellulose Substances 0.000 description 1
239000008112 carboxymethyl-cellulose Substances 0.000 description 1
RLGQACBPNDBWTB-UHFFFAOYSA-N cetyltrimethylammonium ion Chemical compound CCCCCCCCCCCCCCCC[N+](C)(C)C RLGQACBPNDBWTB-UHFFFAOYSA-N 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000000975 co-precipitation Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000009472 formulation Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000001027 hydrothermal synthesis Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
238000005498 polishing Methods 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
239000000376 reactant Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000000926 separation method Methods 0.000 description 1
125000005624 silicic acid group Chemical class 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
238000000967 suction filtration Methods 0.000 description 1
235000011149 sulphuric acid Nutrition 0.000 description 1
239000012085 test solution Substances 0.000 description 1
229940034610 toothpaste Drugs 0.000 description 1
239000002351 wastewater Substances 0.000 description 1

Classifications

- 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
- 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
- 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
- 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
- C01P2006/12—Surface area
- 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
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Public Health (AREA)
Organic Chemistry (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Inorganic Chemistry (AREA)
Veterinary Medicine (AREA)
Birds (AREA)
Epidemiology (AREA)
Oral & Maxillofacial Surgery (AREA)
Silicon Compounds (AREA)
Cosmetics (AREA)

FI943648A 1993-08-07 1994-08-05 Menetelmä saostetun piihapon valmistamiseksi FI112862B (fi)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE4326576		1993-08-07
DE4326576		1993-08-07
DE4423493A DE4423493A1 (de)	1993-08-07	1994-07-05	Verfahren zur Herstellung einer Fällungskieselsäure
DE4423493		1994-07-05

Publications (3)

Publication Number	Publication Date
FI943648A0 FI943648A0 (fi)	1994-08-05
FI943648L FI943648L (fi)	1995-02-08
FI112862B true FI112862B (fi)	2004-01-30

Family

ID=25928419

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI943648A FI112862B (fi)	1993-08-07	1994-08-05	Menetelmä saostetun piihapon valmistamiseksi

Country Status (14)

Country	Link
US (1)	US5484581A (da)
EP (1)	EP0643015B1 (da)
JP (1)	JP2556667B2 (da)
AT (1)	ATE142986T1 (da)
AU (1)	AU665913B2 (da)
CA (1)	CA2129607C (da)
DE (1)	DE59400684D1 (da)
DK (1)	DK0643015T3 (da)
ES (1)	ES2092850T3 (da)
FI (1)	FI112862B (da)
GR (1)	GR3021417T3 (da)
MY (1)	MY111122A (da)
NO (1)	NO315645B1 (da)
PH (1)	PH30936A (da)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2092334T5 (es) *	1992-10-28	2003-01-16	Ineos Silicas Ltd	Silices.
EP0670813B1 (fr)	1993-09-29	2003-03-12	Rhodia Chimie	Silice precipitee
FR2710630B1 (fr) *	1993-09-29	1995-12-29	Rhone Poulenc Chimie	Nouvelles silices précipitées, leur procédé de préparation et leur utilisation au renforcement des élastomères.
US6169135B1 (en)	1993-09-29	2001-01-02	Rhone Poulenc Chimie	Precipitated silica
US6001322A (en) *	1993-09-29	1999-12-14	Rhone-Poulenc Chimie	Precipitated silicas
US6977065B1 (en) *	1993-10-07	2005-12-20	Degussa Ag	Precipitated silicas
US7071257B2 (en) *	1993-10-07	2006-07-04	Degussa Ag	Precipitated silicas
FR2714369B1 (fr) †	1993-12-29	1996-01-26	Rhone Poulenc Chimie	Silices abrasives pour compositions dentifrices.
US5846506A (en) *	1994-10-07	1998-12-08	Degussa Aktiengesellschaft	Precipitated silicas
IN188702B (da) *	1995-06-01	2002-10-26	Degussa
GB9601084D0 (en) †	1996-01-19	1996-03-20	Unilever Plc	Amorphous silicas and oral compositions
DE19740440A1 (de)	1997-09-15	1999-03-18	Degussa	Leicht dispergierbare Fällungskieselsäure
US6441078B1 (en) *	2000-03-08	2002-08-27	E. I. Du Pont De Nemours And Company	Aqueous powder coat dispersions, process for their preparation and their use
FR2809955B1 (fr) *	2000-06-07	2004-11-26	Rhodia Chimie Sa	Utilisation d'une silice de precipitation de haute structure, dense et dispersible comme agent epaississant ou texturant dans les compositions dentifrices
DE10048616A1 (de) *	2000-09-30	2002-04-11	Degussa	Dotierte Fällungskieselsäure
DE10062449A1 (de)	2000-12-14	2002-06-20	Degussa	Dotierte Fällungskieselsäure
DE10112441A1 (de) *	2001-03-15	2002-09-19	Degussa	Kieselsäure durch Fällung mit konstanter Alkalizahl und deren Verwendung
US7279119B2 (en) *	2001-06-14	2007-10-09	Ppg Industries Ohio, Inc.	Silica and silica-based slurry
US20030094593A1 (en) *	2001-06-14	2003-05-22	Hellring Stuart D.	Silica and a silica-based slurry
GB0130907D0 (en)	2001-12-22	2002-02-13	Ineos Silicas Ltd	Amorphous silica
DE10330221A1 (de)	2002-08-03	2004-02-12	Degussa Ag	Hochdispersible Fällungskieselsäure
US20040209066A1 (en) *	2003-04-17	2004-10-21	Swisher Robert G.	Polishing pad with window for planarization
NO20040167L (no) *	2004-01-14	2005-07-15	Cod Technologies As	Prosess for fremstilling av utfelt silika fra olivin
US20060089095A1 (en) *	2004-10-27	2006-04-27	Swisher Robert G	Polyurethane urea polishing pad
US20060089094A1 (en) *	2004-10-27	2006-04-27	Swisher Robert G	Polyurethane urea polishing pad
US20060089093A1 (en) *	2004-10-27	2006-04-27	Swisher Robert G	Polyurethane urea polishing pad
US7745010B2 (en) *	2005-08-26	2010-06-29	Prc Desoto International, Inc.	Coating compositions exhibiting corrosion resistance properties, related coated substrates, and methods
DE102005043201A1 (de)	2005-09-09	2007-03-15	Degussa Ag	Fällungskieselsäuren mit einer besonderen Porengrößenverteilung
DE102005043202A1 (de)	2005-09-09	2007-03-15	Degussa Ag	Fällungskieselsäuren mit besonderer Porengrößenverteilung
KR101450346B1 (ko) *	2006-03-15	2014-10-14	알이에스씨 인베스트먼츠 엘엘씨	태양 전지 및 다른 용도를 위한 규소 제조 방법
DE102007052269A1 (de)	2007-11-02	2009-05-07	Evonik Degussa Gmbh	Fällungskieselsäuren für lagerstabile RTV-1 Siliconkautschukformulierungen ohne Stabilisator
US8551457B2 (en)	2008-11-25	2013-10-08	The Procter & Gamble Company	Oral care compositions comprising spherical fused silica
MX2011005567A (es) *	2008-11-25	2012-01-25	Procter & Gamble	Composiciones para el cuidado bucal con estetica mejorada y silicio fundido.
US8003724B2 (en)	2009-07-07	2011-08-23	The Goodyear Tire & Rubber Company	Specialized silica, rubber composition containing specialized silica and products with component thereof
US8440750B2 (en)	2009-07-07	2013-05-14	The Goodyear Tire & Rubber Company	Specialized silica, rubber composition containing specialized silica and products with component thereof
US8349940B2 (en)	2010-04-19	2013-01-08	The Goodyear Tire & Rubber Company	Rubber composition containing treated silica and products with component thereof
AU2013337356B2 (en)	2012-11-05	2016-12-08	The Procter & Gamble Company	Heat treated precipitated silica
DE102015214344A1 (de)	2015-07-29	2017-02-02	Evonik Degussa Gmbh	Verfahren zur Herstellung von Fällungskieselsäuren und Verfahren zur Messung des Schonabriebfaktors
JP7594346B2 (ja) *	2017-10-11	2024-12-04	小林製薬株式会社	口腔用組成物
EP3954743A1 (de)	2020-08-12	2022-02-16	Evonik Operations GmbH	Verwendung von siliziumdioxid zur verbesserung der leitfähigkeit von beschichtungen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL289590A (da) *	1962-03-02
US3928540A (en) *	1971-07-26	1975-12-23	Ppg Industries Inc	Process for preparing silica pigment
US3928541A (en) *	1972-09-05	1975-12-23	Huber Corp J M	Amorphous precipitated siliceous pigments for cosmetic or dentrifrice use and methods for their production
US3988162A (en) *	1972-09-06	1976-10-26	J. M. Huber Corporation	Amorphous precipitated silica products and method for their production
US3977893A (en) *	1973-10-03	1976-08-31	J. M. Huber Corporation	Amorphous precipitated siliceous pigments and improved process for producing such pigments
AU497891B2 (en) *	1974-05-22	1979-01-18	J.M. Huber Corp.	Siliceous pigments & their production
DE3114493A1 (de) *	1981-04-10	1982-10-28	Degussa Ag, 6000 Frankfurt	"faellungskieselsaeuren und verfahren zu ihrer herstellung"
DE3144299A1 (de) *	1981-11-07	1983-05-19	Degussa Ag, 6000 Frankfurt	Faellungskieselsaeuren mit hoher struktur und verfahren zu ihrer herstellung
FR2567504B1 (fr) *	1984-07-11	1989-12-29	Rhone Poulenc Chim Base	Colloides de silice et silices spheriques et procedes pour leur obtiention
DE3639845A1 (de) *	1986-11-21	1988-06-01	Degussa	Faellungskieselsaeuren, verfahren zu ihrer herstellung und verwendung
US4973462A (en) *	1987-05-25	1990-11-27	Kawatetsu Mining Company, Ltd.	Process for producing high purity silica
FR2622439B1 (fr) *	1987-11-04	1991-07-12	Rhone Poulenc Chimie	Silice pour compositions dentifrices compatible notamment avec la chlorhexidine
FR2622565B1 (fr) *	1987-11-04	1990-11-09	Rhone Poulenc Chimie	Silice pour compositions dentifrices compatible notamment avec le zinc
US5286478A (en) *	1987-11-04	1994-02-15	Rhone-Poulenc Chimie	Dentifrice-compatible silica particulates
FR2649089B1 (fr) *	1989-07-03	1991-12-13	Rhone Poulenc Chimie	Silice a porosite controlee et son procede d'obtention

1994
- 1994-07-27 ES ES94111686T patent/ES2092850T3/es not_active Expired - Lifetime
- 1994-07-27 DK DK94111686.5T patent/DK0643015T3/da active
- 1994-07-27 AT AT94111686T patent/ATE142986T1/de not_active IP Right Cessation
- 1994-07-27 EP EP94111686A patent/EP0643015B1/de not_active Expired - Lifetime
- 1994-07-27 DE DE59400684T patent/DE59400684D1/de not_active Expired - Lifetime
- 1994-08-03 NO NO19942882A patent/NO315645B1/no not_active IP Right Cessation
- 1994-08-04 US US08/285,672 patent/US5484581A/en not_active Expired - Fee Related
- 1994-08-05 CA CA002129607A patent/CA2129607C/en not_active Expired - Fee Related
- 1994-08-05 MY MYPI94002047A patent/MY111122A/en unknown
- 1994-08-05 PH PH48754A patent/PH30936A/en unknown
- 1994-08-05 JP JP6184672A patent/JP2556667B2/ja not_active Expired - Fee Related
- 1994-08-05 AU AU68932/94A patent/AU665913B2/en not_active Ceased
- 1994-08-05 FI FI943648A patent/FI112862B/fi not_active IP Right Cessation
1996
- 1996-10-23 GR GR960402788T patent/GR3021417T3/el unknown

Also Published As

Publication number	Publication date
FI943648A0 (fi)	1994-08-05
DK0643015T3 (da)	1996-12-23
FI943648L (fi)	1995-02-08
NO315645B1 (no)	2003-10-06
AU6893294A (en)	1995-05-11
PH30936A (en)	1997-12-23
EP0643015A1 (de)	1995-03-15
GR3021417T3 (en)	1997-01-31
DE59400684D1 (de)	1996-10-24
JP2556667B2 (ja)	1996-11-20
JPH07149514A (ja)	1995-06-13
CA2129607A1 (en)	1995-02-08
CA2129607C (en)	1999-03-09
AU665913B2 (en)	1996-01-18
ES2092850T3 (es)	1996-12-01
US5484581A (en)	1996-01-16
ATE142986T1 (de)	1996-10-15
EP0643015B1 (de)	1996-09-18
NO942882D0 (da)	1994-08-03
MY111122A (en)	1999-08-30
NO942882L (no)	1995-02-08

Legal Events

Date	Code	Title	Description
2006-02-28	MA	Patent expired

Publication	Publication Date	Title
FI112862B (fi)	2004-01-30	Menetelmä saostetun piihapon valmistamiseksi
CA1093789A (en)	1981-01-20	Precipitated siliceous products and methods for their use and production
AU712323B2 (en)	1999-11-04	Precipitated silica
US6761867B1 (en)	2004-07-13	Concentrated suspension of precipitation silica, processes for its preparation and uses of this suspension
KR950015028B1 (ko)	1995-12-21	비이드 형태의 실리카, 이의 제조방법 및 엘라스토머 보강용 용도
JP5727605B2 (ja)	2015-06-03	新規の沈降シリカ製造方法
US3960586A (en)	1976-06-01	Amorphous precipitated siliceous pigments and improved process for producing such pigments
US4105757A (en)	1978-08-08	Amorphous precipitated siliceous pigments for cosmetic or dentifrice use and methods for their production
JPH0331642B2 (da)	1991-05-08
EP0767758B2 (fr)	2009-11-25	Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant du zinc et leur utilisation au renforcement des elastomeres
JPS60221315A (ja)	1985-11-06	高い構造性を有する沈殿ケイ酸およびそれらの製造方法
FI91387B (fi)	1994-03-15	Erityisesti metallikationeiden kanssa yhteensopiva piidioksidi hammastahnoihin
KR100808037B1 (ko)	2008-03-03	수분 흡수율이 낮은 고도로 구조화된 실리카, 이의 제조방법 및 용도
JPH02237910A (ja)	1990-09-20	特に亜鉛と相容性の歯磨組成物用シリカ
WO1997012843A1 (en)	1997-04-10	Microporous high structure precipitated silicas and methods
FI87066C (fi)	1992-11-25	Saerskilt med zink kompatibel kiseloxid foer tandkraemskompositioner
JPH0435402B2 (da)	1992-06-11
KR970005188B1 (ko)	1997-04-14	침강 실리카의 제조방법
EP0798266B1 (de)	1998-07-22	Fällungskieselsäure
CA1059705A (en)	1979-08-07	Amorphous precipitated siliceous pigments and improved process for producing such pigments
KR100503705B1 (ko)	2005-09-27	치약조성물에사용될수있는실리카
KR790001612B1 (ko)	1979-11-23	무정형 침전 실리카의 제조방법
KR800001031B1 (ko)	1980-09-26	신규의 이산화 규소의 제조방법
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