BE695460A - - Google Patents
Info
- Publication number
- BE695460A BE695460A BE695460DA BE695460A BE 695460 A BE695460 A BE 695460A BE 695460D A BE695460D A BE 695460DA BE 695460 A BE695460 A BE 695460A
- Authority
- BE
- Belgium
Links
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
- C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
-
- 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
- C01F11/02—Oxides or hydroxides
- C01F11/16—Purification
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US346349A US3320026A (en) | 1964-02-20 | 1964-02-20 | Method of preparing calcite and the product thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
BE695460A true BE695460A (xx) | 1967-09-14 |
Family
ID=23358976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE695460D BE695460A (xx) | 1964-02-20 | 1967-03-14 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3320026A (xx) |
BE (1) | BE695460A (xx) |
DE (1) | DE1592147C3 (xx) |
GB (1) | GB1099392A (xx) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6086067A (ja) * | 1983-10-18 | 1985-05-15 | 奥多摩工業株式会社 | 板状炭酸カルシウムの製造法 |
US4888160A (en) * | 1985-12-20 | 1989-12-19 | J.M. Huber Corporation | Process for producing calcium carbonate and products thereof |
US4824654A (en) * | 1988-03-17 | 1989-04-25 | Yabashi Industries Co., Ltd. | Process of producing needle-shaped calcium carbonate particles |
DD298372A5 (de) * | 1989-11-29 | 1992-02-20 | Bergakademie Freiberg,De | Verfahren zur herstellung von besonders als fuellstoff geeigneten calciumcarbonatpulvern aus waessrigen loesungen |
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 |
US5342600A (en) * | 1990-09-27 | 1994-08-30 | Ecc International Limited | Precipitated calcium carbonate |
GB2248229B (en) * | 1990-09-27 | 1994-10-26 | Ecc Int Ltd | Precipitated calcium carbonate |
WO1992021613A1 (en) * | 1991-06-04 | 1992-12-10 | Minerals Technologies, Inc. | Precipitated calcium carbonate particles from basic calcium carbonate |
CA2090088C (en) * | 1992-02-26 | 1995-07-25 | Pierre Marc Fouche | Production of purified calcium carbonate |
WO1993020010A1 (en) * | 1992-04-03 | 1993-10-14 | Minerals Technologies, Inc. | Clustered precipitated calcium carbonate particles |
US5332564A (en) * | 1992-07-10 | 1994-07-26 | Ecc International Inc. | Process for production of rhombic shaped precipitated calcium carbonate |
US5364610A (en) * | 1993-06-15 | 1994-11-15 | P. H. Glatfelter Company | Process for preparation of high opacity precipitated calcium carbonate by reacting sodium carbonate with calcium hydroxide |
US5741471A (en) * | 1995-12-05 | 1998-04-21 | Minerals Technologies Inc. | Process for the preparation of discrete particles of calcium carbonate |
US6440209B1 (en) | 2000-02-09 | 2002-08-27 | Engelhard Corpoartion | Composite pigments comprising in-situ precipitated metal carbonate crystals |
US20030213937A1 (en) * | 2001-02-22 | 2003-11-20 | Isaac Yaniv | Precipitated aragonite and a process for producing it |
US20030161894A1 (en) * | 2001-09-05 | 2003-08-28 | 3P Technologies Ltd. | Precipitated aragonite and a process for producing it |
US6685908B1 (en) | 2000-03-06 | 2004-02-03 | 3P Technologies Ltd. | Precipitated aragonite and a process for producing it |
US7128887B2 (en) * | 2003-05-29 | 2006-10-31 | Specialty Minerals (Michigan) Inc. | Platy precipitated calcium carbonate synthesis method |
US7135157B2 (en) * | 2003-06-06 | 2006-11-14 | Specialty Minerals (Michigan) Inc. | Process for the production of platy precipitated calcium carbonates |
BRPI0601717A (pt) * | 2006-05-04 | 2007-12-18 | Du Pont Brasil | processo para a fabricação de carbonato de cálcio |
IN2014MN02048A (xx) | 2012-03-23 | 2015-08-14 | Omya Int Ag | |
EP2786967A1 (de) * | 2013-04-03 | 2014-10-08 | HF Biotec Berlin GmbH | Verfahren und Anlage zur Herstellung von kristallinem Calciumcarbonat unter kombinierter Verwendung zweier Gase mit unterschiedlichem CO2-Gehalt |
EP3098202A1 (en) | 2015-05-28 | 2016-11-30 | Omya International AG | Process for increasing opacity of precipitated calcium carbonate |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126253A (en) * | 1964-03-24 | Process for the manufacture of finely | ||
US2058503A (en) * | 1933-01-04 | 1936-10-27 | Raffold Process Corp | Colloidal calcium carbonate |
US2631922A (en) * | 1949-08-03 | 1953-03-17 | Ecusta Paper Corp | Process of producing noncolloidal calcium carbonate |
US2964382A (en) * | 1958-04-04 | 1960-12-13 | Wyandotte Chemicals Corp | Production of precipitated calcium carbonate |
US3197322A (en) * | 1962-07-25 | 1965-07-27 | Dow Chemical Co | Preparation of calcium carbonate and the composition so made |
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1964
- 1964-02-20 US US346349A patent/US3320026A/en not_active Expired - Lifetime
-
1965
- 1965-01-07 GB GB818/65A patent/GB1099392A/en not_active Expired
- 1965-01-13 DE DE1592147A patent/DE1592147C3/de not_active Expired
-
1967
- 1967-03-14 BE BE695460D patent/BE695460A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3320026A (en) | 1967-05-16 |
DE1592147B2 (de) | 1972-10-05 |
GB1099392A (en) | 1968-01-17 |
DE1592147A1 (de) | 1972-05-18 |
DE1592147C3 (de) | 1980-04-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CHAS. PFIZER & CO INC. Effective date: 19850314 |