IT1127357B - Procedimento per aumentare la brillantezza del calcare da usare come materiale di carica o pigmento - Google Patents
Procedimento per aumentare la brillantezza del calcare da usare come materiale di carica o pigmentoInfo
- Publication number
- IT1127357B IT1127357B IT47888/80A IT4788880A IT1127357B IT 1127357 B IT1127357 B IT 1127357B IT 47888/80 A IT47888/80 A IT 47888/80A IT 4788880 A IT4788880 A IT 4788880A IT 1127357 B IT1127357 B IT 1127357B
- Authority
- IT
- Italy
- Prior art keywords
- brilliance
- limestone
- pigment
- procedure
- increase
- Prior art date
Links
Classifications
-
- 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
- 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
- C09C1/022—Treatment with inorganic compounds
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Magnetic Heads (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/015,089 US4239736A (en) | 1979-02-26 | 1979-02-26 | Method for increasing the brightness of limestone |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8047888A0 IT8047888A0 (it) | 1980-02-13 |
IT1127357B true IT1127357B (it) | 1986-05-21 |
Family
ID=21769467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47888/80A IT1127357B (it) | 1979-02-26 | 1980-02-13 | Procedimento per aumentare la brillantezza del calcare da usare come materiale di carica o pigmento |
Country Status (14)
Country | Link |
---|---|
US (1) | US4239736A (it) |
JP (1) | JPS55116625A (it) |
AU (1) | AU526864B2 (it) |
BR (1) | BR8001111A (it) |
CA (1) | CA1134563A (it) |
DE (1) | DE3007220A1 (it) |
ES (1) | ES488913A0 (it) |
FI (1) | FI800520A (it) |
FR (1) | FR2449712A1 (it) |
GB (1) | GB2043612B (it) |
IT (1) | IT1127357B (it) |
NL (1) | NL8001024A (it) |
NO (1) | NO800508L (it) |
SE (1) | SE8001456L (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4900533A (en) * | 1981-02-24 | 1990-02-13 | English Clays Lovering Pochin & Company | Alkaline earth metal carbonates |
DE3122218A1 (de) * | 1981-06-04 | 1982-12-23 | Peroxid-Chemie GmbH, 8023 Höllriegelskreuth | Verfahren zum aufhellen von naturkreide |
US4389323A (en) * | 1981-11-02 | 1983-06-21 | Gancy Alan B | Process of making two uniform grades of calcium magnesium acetate |
US4426308A (en) | 1981-12-21 | 1984-01-17 | Gancy Alan B | Process of making calcium acetate deicing agents |
US4377488A (en) * | 1981-12-21 | 1983-03-22 | Gancy Alan B | Process of making calcium acetate deicing agents |
US4488978A (en) * | 1983-02-10 | 1984-12-18 | Gancy Alan B | Coarse-particle calcium/magnesium acetate suitable for roadway and walkway deicing, and process for its manufacture |
US4661164A (en) * | 1985-02-15 | 1987-04-28 | Franklin Industries, Inc. | Method of tinting a mineral filler |
US4824653A (en) * | 1988-09-29 | 1989-04-25 | Franklin Industries, Inc. | Method of bleaching limestone |
US5690897A (en) * | 1994-11-21 | 1997-11-25 | Minerals Technologies Inc. | Method for purification of calcium carbonate |
CA2237960A1 (en) * | 1997-06-18 | 1998-12-18 | Goldcorp Inc. | Manufacture of precipitated calcium carbonate of improved colour with stable crystalline form |
US6527431B2 (en) * | 2001-04-10 | 2003-03-04 | Taiwan Footwear Research Institute | Combined mixing and injecting device for a mold |
US7105139B2 (en) * | 2002-04-25 | 2006-09-12 | Imerys Pigments, Inc. | Stabilization of the viscosity of formamidine sulfinic acid bleached calcium carbonate slurries |
US7651559B2 (en) | 2005-11-04 | 2010-01-26 | Franklin Industrial Minerals | Mineral composition |
US7833339B2 (en) | 2006-04-18 | 2010-11-16 | Franklin Industrial Minerals | Mineral filler composition |
US10590003B1 (en) | 2017-08-24 | 2020-03-17 | Mississippi Lime Company | Method of brightening ground calcium carbonate |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB567998A (en) * | 1943-07-30 | 1945-03-13 | Pilkington Brothers Ltd | Improvements in or relating to processes for reducing iron impurities in ground calcite, dolomite, magnesite and cryolite |
US2520850A (en) * | 1944-02-12 | 1950-08-29 | Minnick Leonard John | Process of whitening alkaline earth carbonates |
GB1394910A (en) * | 1972-10-23 | 1975-05-21 | Pluss Stauffer Ag | Process for the optical brightening of minerals |
AU476200B2 (en) * | 1973-03-08 | 1975-09-11 | RALPH ASHWORTH and KATHLEEN MARY PLUCK DEREK | Mineral bleaching process |
JPS50122498A (it) * | 1974-03-13 | 1975-09-26 | ||
JPS5147597A (en) * | 1974-10-23 | 1976-04-23 | Denki Kagaku Kogyo Kk | Tansankarushiumuno hakushokudokojokahoho |
JPS5147598A (en) * | 1974-10-23 | 1976-04-23 | Denki Kagaku Kogyo Kk | Tansankarushiumuno hakushokudokairyoho |
GB1599632A (en) * | 1977-01-19 | 1981-10-07 | English Clays Lovering Pochin | Comminution of solid materials |
JPS5390199A (en) * | 1977-01-20 | 1978-08-08 | Shiraishi Kogyo Kaisha Ltd | Method of modifying calcium carbonate |
JPS53119299A (en) * | 1977-03-29 | 1978-10-18 | Shiraishi Kogyo Kaisha Ltd | Surfacee modified material of cubic calcium carbonate having diameters of 0*1 to 1*0 micro meter |
-
1979
- 1979-02-26 US US06/015,089 patent/US4239736A/en not_active Expired - Lifetime
-
1980
- 1980-01-30 CA CA000344728A patent/CA1134563A/en not_active Expired
- 1980-02-05 AU AU55237/80A patent/AU526864B2/en not_active Ceased
- 1980-02-13 IT IT47888/80A patent/IT1127357B/it active
- 1980-02-13 GB GB8004856A patent/GB2043612B/en not_active Expired
- 1980-02-20 NL NL8001024A patent/NL8001024A/nl not_active Application Discontinuation
- 1980-02-21 FI FI800520A patent/FI800520A/fi not_active Application Discontinuation
- 1980-02-22 FR FR8003908A patent/FR2449712A1/fr not_active Withdrawn
- 1980-02-22 DE DE19803007220 patent/DE3007220A1/de not_active Withdrawn
- 1980-02-22 NO NO800508A patent/NO800508L/no unknown
- 1980-02-25 ES ES488913A patent/ES488913A0/es active Granted
- 1980-02-25 SE SE8001456A patent/SE8001456L/ not_active Application Discontinuation
- 1980-02-26 BR BR8001111A patent/BR8001111A/pt unknown
- 1980-02-26 JP JP2331580A patent/JPS55116625A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2043612B (en) | 1983-01-26 |
SE8001456L (sv) | 1980-08-27 |
IT8047888A0 (it) | 1980-02-13 |
US4239736A (en) | 1980-12-16 |
AU5523780A (en) | 1980-09-04 |
BR8001111A (pt) | 1980-10-29 |
ES8102991A1 (es) | 1981-02-16 |
DE3007220A1 (de) | 1980-09-04 |
ES488913A0 (es) | 1981-02-16 |
GB2043612A (en) | 1980-10-08 |
FI800520A (fi) | 1980-08-27 |
NO800508L (no) | 1980-08-27 |
AU526864B2 (en) | 1983-02-03 |
JPS55116625A (en) | 1980-09-08 |
CA1134563A (en) | 1982-11-02 |
NL8001024A (nl) | 1980-08-28 |
FR2449712A1 (fr) | 1980-09-19 |
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