SK64598A3 - Process for the preparation of discrete particles of calcium carbonate - Google Patents

Process for the preparation of discrete particles of calcium carbonate Download PDF

Info

Publication number: SK64598A3
Authority: SK; Slovakia
Prior art keywords: calcium carbonate; suspension; sucrose; process according; polysaccharide
Prior art date: 1995-12-05

Application number

SK645-98A

Other languages

English (en)

Slovak (sk)

Inventor

Donald R Deutsch

Kenneth J Wise

Original Assignee

Minerals Tech Inc

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.)

1995-12-05

Filing date

1996-11-22

Publication date

1999-01-11

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24268510&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SK64598(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1996-11-22 Application filed by Minerals Tech Inc filed Critical Minerals Tech Inc

1999-01-11 Publication of SK64598A3 publication Critical patent/SK64598A3/sk

Links

VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 89
238000000034 method Methods 0.000 title claims abstract description 42
229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 34
230000008569 process Effects 0.000 title claims abstract description 31
238000002360 preparation method Methods 0.000 title claims description 3
239000002245 particle Substances 0.000 title abstract description 25
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 25
239000000920 calcium hydroxide Substances 0.000 claims abstract description 25
229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 25
150000001720 carbohydrates Chemical class 0.000 claims abstract description 17
150000004676 glycans Chemical class 0.000 claims abstract description 15
229920001282 polysaccharide Polymers 0.000 claims abstract description 15
239000005017 polysaccharide Substances 0.000 claims abstract description 15
229910021645 metal ion Inorganic materials 0.000 claims abstract description 8
229930006000 Sucrose Natural products 0.000 claims description 45
239000005720 sucrose Substances 0.000 claims description 45
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 44
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 23
235000011941 Tilia x europaea Nutrition 0.000 claims description 23
239000004571 lime Substances 0.000 claims description 23
239000000725 suspension Substances 0.000 claims description 23
229910002092 carbon dioxide Inorganic materials 0.000 claims description 22
239000001569 carbon dioxide Substances 0.000 claims description 21
229940037003 alum Drugs 0.000 claims description 15
238000004519 manufacturing process Methods 0.000 claims description 9
229920006395 saturated elastomer Polymers 0.000 claims description 9
239000010419 fine particle Substances 0.000 claims description 5
238000003756 stirring Methods 0.000 claims description 4
239000007937 lozenge Substances 0.000 claims description 3
DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 2
125000000185 sucrose group Chemical group 0.000 claims description 2
239000008267 milk Substances 0.000 claims 3
210000004080 milk Anatomy 0.000 claims 3
235000013336 milk Nutrition 0.000 claims 3
150000007519 polyprotic acids Polymers 0.000 claims 2
239000000123 paper Substances 0.000 abstract description 11
238000000576 coating method Methods 0.000 abstract description 7
238000001556 precipitation Methods 0.000 abstract description 6
239000011248 coating agent Substances 0.000 abstract description 5
239000003973 paint Substances 0.000 abstract description 5
239000004033 plastic Substances 0.000 abstract description 4
229920003023 plastic Polymers 0.000 abstract description 4
CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 43
235000010216 calcium carbonate Nutrition 0.000 description 29
235000011116 calcium hydroxide Nutrition 0.000 description 22
240000006909 Tilia x europaea Species 0.000 description 19
229940088417 precipitated calcium carbonate Drugs 0.000 description 19
239000000047 product Substances 0.000 description 19
239000002002 slurry Substances 0.000 description 17
235000014633 carbohydrates Nutrition 0.000 description 8
238000006243 chemical reaction Methods 0.000 description 8
238000002474 experimental method Methods 0.000 description 8
239000007789 gas Substances 0.000 description 7
239000000049 pigment Substances 0.000 description 7
QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 6
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
239000011362 coarse particle Substances 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
239000000654 additive Substances 0.000 description 4
230000000694 effects Effects 0.000 description 4
230000014759 maintenance of location Effects 0.000 description 4
239000000203 mixture Substances 0.000 description 4
238000009738 saturating Methods 0.000 description 4
229910001220 stainless steel Inorganic materials 0.000 description 4
239000010935 stainless steel Substances 0.000 description 4
239000007900 aqueous suspension Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000013078 crystal Substances 0.000 description 3
239000000945 filler Substances 0.000 description 3
239000012065 filter cake Substances 0.000 description 3
229910052500 inorganic mineral Inorganic materials 0.000 description 3
235000010755 mineral Nutrition 0.000 description 3
239000011707 mineral Substances 0.000 description 3
239000000565 sealant Substances 0.000 description 3
235000000346 sugar Nutrition 0.000 description 3
WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
235000019738 Limestone Nutrition 0.000 description 2
230000000996 additive effect Effects 0.000 description 2
WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
239000000292 calcium oxide Substances 0.000 description 2
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
230000008859 change Effects 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
239000008139 complexing agent Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
239000008103 glucose Substances 0.000 description 2
239000006028 limestone Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
239000004570 mortar (masonry) Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
238000003786 synthesis reaction Methods 0.000 description 2
229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
239000005715 Fructose Substances 0.000 description 1
229930091371 Fructose Natural products 0.000 description 1
RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
108010010803 Gelatin Proteins 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
CZMRCDWAGMRECN-UHFFFAOYSA-N Rohrzucker Natural products OCC1OC(CO)(OC2OC(CO)C(O)C(O)C2O)C(O)C1O CZMRCDWAGMRECN-UHFFFAOYSA-N 0.000 description 1
229910004298 SiO 2 Inorganic materials 0.000 description 1
-1 SiO 2 Chemical class 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
239000013543 active substance Substances 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
230000008901 benefit Effects 0.000 description 1
239000011575 calcium Substances 0.000 description 1
235000014171 carbonated beverage Nutrition 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
235000008504 concentrate Nutrition 0.000 description 1
BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
229910003460 diamond Inorganic materials 0.000 description 1
239000010432 diamond Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
239000000499 gel Substances 0.000 description 1
229920000159 gelatin Polymers 0.000 description 1
239000008273 gelatin Substances 0.000 description 1
235000019322 gelatine Nutrition 0.000 description 1
235000011852 gelatine desserts Nutrition 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
230000001788 irregular Effects 0.000 description 1
238000009533 lab test Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000035800 maturation Effects 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
235000013379 molasses Nutrition 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
230000006911 nucleation Effects 0.000 description 1
238000010899 nucleation Methods 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
235000021395 porridge Nutrition 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000007873 sieving Methods 0.000 description 1
239000000243 solution Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000000126 substance Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1

Classifications

- 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
- C01F11/18—Carbonates
- C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
- C01F11/183—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds the additive being an organic compound
- 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
- C01F11/18—Carbonates
- 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
- 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
- C01P2004/11—Particle morphology extending in one dimension, e.g. needle-like with a prismatic shape
- 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
- C01P2004/40—Particle morphology extending in three dimensions prism-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
- C01P2006/12—Surface area

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Paper (AREA)
Compositions Of Macromolecular Compounds (AREA)
Paints Or Removers (AREA)
Inks, Pencil-Leads, Or Crayons (AREA)

SK645-98A 1995-12-05 1996-11-22 Process for the preparation of discrete particles of calcium carbonate SK64598A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/567,754 US5741471A (en)	1995-12-05	1995-12-05	Process for the preparation of discrete particles of calcium carbonate
PCT/US1996/018656 WO1997020771A1 (en)	1995-12-05	1996-11-22	Process for the preparation of discrete particles of calcium carbonate

Publications (1)

Publication Number	Publication Date
SK64598A3 true SK64598A3 (en)	1999-01-11

Family

ID=24268510

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SK645-98A SK64598A3 (en)	1995-12-05	1996-11-22	Process for the preparation of discrete particles of calcium carbonate

Country Status (23)

Country	Link
US (1)	US5741471A (cs)
EP (1)	EP0866770B1 (cs)
JP (1)	JP2000502030A (cs)
KR (1)	KR19990071665A (cs)
CN (1)	CN1203566A (cs)
AR (1)	AR004349A1 (cs)
AT (1)	ATE244203T1 (cs)
AU (1)	AU7682596A (cs)
BR (1)	BR9611874A (cs)
CZ (1)	CZ150498A3 (cs)
DE (1)	DE69628940T2 (cs)
DK (1)	DK0866770T3 (cs)
ES (1)	ES2202486T3 (cs)
IL (1)	IL124435A0 (cs)
MX (1)	MX9804485A (cs)
NO (1)	NO982378D0 (cs)
NZ (1)	NZ322825A (cs)
PL (1)	PL327057A1 (cs)
PT (1)	PT866770E (cs)
SK (1)	SK64598A3 (cs)
TW (1)	TW372939B (cs)
WO (1)	WO1997020771A1 (cs)
ZA (1)	ZA9610019B (cs)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1998025852A1 (fr) *	1996-12-09	1998-06-18	Nippon Paper Industries Co., Ltd.	Procede de preparation de carbonate de calcium
US6294143B1 (en) *	1998-03-24	2001-09-25	Minerals Technologies Inc.	Process for the preparation of discrete particles of calcium carbonate
US6221146B1 (en) *	1998-04-03	2001-04-24	Imerys Pigments, Inc.	Method for the production of precipitated calcium carbonate having a selected crystal form, products produced thereby and their uses
BR9917234A (pt) *	1999-03-31	2002-04-23	Minerals Tech Inc	Processo para a preparação de partìculas discretas de carbonato de cálcio, e, composição
JP3808263B2 (ja) *	2000-01-18	2006-08-09	日本製紙株式会社	炭酸カルシウムの製造方法
US6440209B1 (en)	2000-02-09	2002-08-27	Engelhard Corpoartion	Composite pigments comprising in-situ precipitated metal carbonate crystals
US6562090B1 (en) *	2000-08-28	2003-05-13	Hercules Incorporated	Fluid abrasive suspension for use in dentifrices
US20040071789A1 (en) *	2002-02-14	2004-04-15	Baron John A	Calcium supplementation to reduce prostate cancer risk
FR2826950B1 (fr) *	2001-07-04	2004-09-10	Solvay	Procede pour l'obtention de particules de carbonate de calcium precipite structurees a l'echelle nanometrique
WO2003054300A1 (en) *	2001-12-20	2003-07-03	Minerals Technologies Inc.	High gloss calcium carbonate coating compositions and coated paper and paper board manufactured from same
US20050121157A1 (en) *	2002-02-28	2005-06-09	Klaus Doelle	Method for the fabrication of a fiber web
JP2006076828A (ja) *	2004-09-09	2006-03-23	Kyushu Institute Of Technology	バテライト型結晶系炭酸カルシウムと澱粉との複合体、被記録媒体、印字物、インクジェット記録方法及び被記録媒体の製造方法
FR2881957B1 (fr) *	2005-02-16	2008-08-08	Solvay	Comprimes comprenant une substance biologiquement active et un excipient
US7635729B2 (en)	2005-09-29	2009-12-22	Raymond Lee Nip	Zinc oxide coated particles, compositions containing the same, and methods for making the same
FR2891546B1 (fr) *	2005-10-04	2010-09-03	Solvay	Utilisation de particules de carbonate de calcium dans des compositions polymeriques transparentes, compositions polymeriques transparentes et procede de fabrication de ces compositions
CN101362048B (zh) *	2008-09-02	2011-01-26	李发修	用电石渣吸收利用二氧化碳的方法与专用二氧化碳吸收器
US9650293B2 (en) *	2010-03-05	2017-05-16	Rdp Technologies, Inc.	Process and apparatus for slaking lime and dissolving scale
US8657953B2 (en)	2011-06-24	2014-02-25	Construction Research & Technology Gmbh	Cement additive
RU2014102107A (ru)	2011-06-24	2015-08-10	Констракшн Рисёрч Энд Текнолоджи Гмбх	Цементирующая композиция и присадка
FI126571B (fi) *	2012-06-28	2017-02-28	Nordkalk Oy Ab	Päällystyskoostumuksen käyttö maalina
CN103897434B (zh) *	2014-04-19	2016-03-30	芮城新泰纳米材料有限公司	塑料母粒专用纳米碳酸钙的制备方法
EP3012223A1 (en)	2014-10-24	2016-04-27	Omya International AG	PCC with reduced portlandite content
CN116457215A (zh)	2020-11-02	2023-07-18	Omya国际股份公司	在存在天然研磨的碳酸钙的情况下生产沉淀碳酸钙的方法
KR102567345B1 (ko) *	2021-04-30	2023-08-16	주식회사 우룡	경질탄산칼슘의 제조 방법
EP4159876A1 (en) *	2021-09-30	2023-04-05	Tereos France	Process for reducing carbon dioxide emissions in sugar production
JP2026510548A (ja) *	2023-01-26	2026-04-08	ユニバーシティオブサウスアフリカ	沈殿単相結晶性１次元ナノスケールカルサイトの製造方法

Family Cites Families (17)

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Publication number	Priority date	Publication date	Assignee	Title
US2188663A (en) *	1938-04-04	1940-01-30	Diamond Alkali Co	Process of making fine particle alkaline earth metal carbonates
US2467082A (en) *	1948-06-11	1949-04-12	Paper Patents Co	Method of producing chalk
BE556147A (cs) *	1957-03-26
US3320026A (en) *	1964-02-20	1967-05-16	Pfizer & Co C	Method of preparing calcite and the product thereof
US3443890A (en) *	1966-12-05	1969-05-13	Diamond Shamrock Corp	Process for the production of calcium carbonate
US3669620A (en) *	1969-09-08	1972-06-13	Tate & Lyle Ltd	Manufacture of aragonite
US4237147A (en) *	1974-01-04	1980-12-02	Monsanto Company	Stabilized amorphous calcium carbonate
GB1447566A (en) *	1974-02-14	1976-08-25	Ici Ltd	Production of calcium carbonate
RO87978A2 (ro) *	1983-07-21	1985-11-30	Combinatul De Ingrasaminte Chimice,Ro	Procedeu de fabricare a carbonatului de calciu pur
JPS60103025A (ja) *	1983-11-04	1985-06-07	Shiraishi Chuo Kenkyusho:Kk	炭酸カルシウムの製造方法
JPS62202817A (ja) *	1986-02-27	1987-09-07	Toyo Denka Kogyo Kk	微細炭酸カルシウム粒子の製造方法
JPH0653571B2 (ja) *	1986-03-08	1994-07-20	丸尾カルシウム株式会社	炭酸カルシウムの製造方法
JP2604202B2 (ja) *	1988-05-31	1997-04-30	株式会社カルシード	紡錘状炭酸カルシウムの製造方法
US5269818A (en) *	1990-03-13	1993-12-14	Pfizer Inc	Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof
US5558850A (en) *	1990-07-27	1996-09-24	Ecc International Limited	Precipitated calcium carbonate
US5332564A (en) *	1992-07-10	1994-07-26	Ecc International Inc.	Process for production of rhombic shaped precipitated calcium carbonate
JP3055334B2 (ja) *	1992-11-16	2000-06-26	菱光石灰工業株式会社	膠質炭酸カルシウムの製造法

1995
- 1995-12-05 US US08/567,754 patent/US5741471A/en not_active Expired - Fee Related
1996
- 1996-11-22 CN CN96198847A patent/CN1203566A/zh active Pending
- 1996-11-22 WO PCT/US1996/018656 patent/WO1997020771A1/en not_active Ceased
- 1996-11-22 NZ NZ322825A patent/NZ322825A/xx unknown
- 1996-11-22 PT PT96939738T patent/PT866770E/pt unknown
- 1996-11-22 EP EP96939738A patent/EP0866770B1/en not_active Expired - Lifetime
- 1996-11-22 IL IL12443596A patent/IL124435A0/xx unknown
- 1996-11-22 AT AT96939738T patent/ATE244203T1/de not_active IP Right Cessation
- 1996-11-22 JP JP9521305A patent/JP2000502030A/ja active Pending
- 1996-11-22 AU AU76825/96A patent/AU7682596A/en not_active Abandoned
- 1996-11-22 ES ES96939738T patent/ES2202486T3/es not_active Expired - Lifetime
- 1996-11-22 PL PL96327057A patent/PL327057A1/xx unknown
- 1996-11-22 KR KR1019980703941A patent/KR19990071665A/ko not_active Withdrawn
- 1996-11-22 SK SK645-98A patent/SK64598A3/sk unknown
- 1996-11-22 DK DK96939738T patent/DK0866770T3/da active
- 1996-11-22 BR BR9611874A patent/BR9611874A/pt not_active IP Right Cessation
- 1996-11-22 DE DE69628940T patent/DE69628940T2/de not_active Expired - Fee Related
- 1996-11-22 CZ CZ981504A patent/CZ150498A3/cs unknown
- 1996-11-26 AR ARP960105332A patent/AR004349A1/es unknown
- 1996-11-28 ZA ZA9610019A patent/ZA9610019B/xx unknown
- 1996-12-10 TW TW085115274A patent/TW372939B/zh active
1998
- 1998-05-26 NO NO982378A patent/NO982378D0/no not_active Application Discontinuation
- 1998-06-04 MX MX9804485A patent/MX9804485A/es unknown

Also Published As

Publication number	Publication date
EP0866770A1 (en)	1998-09-30
ZA9610019B (en)	1997-06-05
IL124435A0 (en)	1998-12-06
KR19990071665A (ko)	1999-09-27
NO982378L (no)	1998-05-26
PT866770E (pt)	2003-11-28
NZ322825A (en)	1999-08-30
PL327057A1 (en)	1998-11-23
AR004349A1 (es)	1998-11-04
TW372939B (en)	1999-11-01
EP0866770B1 (en)	2003-07-02
AU7682596A (en)	1997-06-27
ATE244203T1 (de)	2003-07-15
DK0866770T3 (da)	2003-08-18
DE69628940D1 (de)	2003-08-07
CZ150498A3 (cs)	1998-11-11
JP2000502030A (ja)	2000-02-22
WO1997020771A1 (en)	1997-06-12
ES2202486T3 (es)	2004-04-01
NO982378D0 (no)	1998-05-26
US5741471A (en)	1998-04-21
MX9804485A (es)	1998-09-30
BR9611874A (pt)	1999-02-17
DE69628940T2 (de)	2004-06-03
CN1203566A (zh)	1998-12-30

Publication	Publication Date	Title
EP0866770B1 (en)	2003-07-02	Process for the preparation of discrete particles of calcium carbonate
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US5558850A (en)	1996-09-24	Precipitated calcium carbonate
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JP2868329B2 (ja)	1999-03-10	立方体状炭酸カルシウムの製造方法
CA2239511C (en)	2006-12-12	Process for the preparation of discrete particles of calcium carbonate
JPH06102542B2 (ja)	1994-12-14	球状粒子炭酸カルシウムの製造方法
JP2556699B2 (ja)	1996-11-20	アラゴナイト結晶形炭酸カルシウムの製造方法
KR19990001352A (ko)	1999-01-15	탄산가스화법에 의한 침상형 탄산칼슘 분체의 제조방법