JPS6317771B2 - - Google Patents
Info
- Publication number
- JPS6317771B2 JPS6317771B2 JP53081407A JP8140778A JPS6317771B2 JP S6317771 B2 JPS6317771 B2 JP S6317771B2 JP 53081407 A JP53081407 A JP 53081407A JP 8140778 A JP8140778 A JP 8140778A JP S6317771 B2 JPS6317771 B2 JP S6317771B2
- Authority
- JP
- Japan
- Prior art keywords
- calcium carbonate
- polyelectrolyte
- concentrate
- lime
- dilute
- 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.)
- Expired
Links
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 146
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 73
- 238000000034 method Methods 0.000 claims description 33
- 239000012141 concentrate Substances 0.000 claims description 29
- 239000007900 aqueous suspension Substances 0.000 claims description 27
- 239000002270 dispersing agent Substances 0.000 claims description 24
- 239000000920 calcium hydroxide Substances 0.000 claims description 16
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 16
- 229920000867 polyelectrolyte Polymers 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims description 9
- 239000012736 aqueous medium Substances 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- -1 alkali metal salts Chemical class 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical class OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical class COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- 150000001447 alkali salts Chemical class 0.000 claims description 2
- 229920003086 cellulose ether Polymers 0.000 claims description 2
- 229920001577 copolymer Chemical class 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 150000007942 carboxylates Chemical class 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 11
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
- 150000001340 alkali metals Chemical class 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000005243 fluidization Methods 0.000 description 5
- 238000000265 homogenisation Methods 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000004584 polyacrylic acid Substances 0.000 description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 3
- 229920000388 Polyphosphate Polymers 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007970 homogeneous dispersion Substances 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
-
- 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
-
- 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
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/52—Cellulose; Derivatives thereof
-
- 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
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU77723A LU77723A1 (fr) | 1977-07-11 | 1977-07-11 | Procede pour la preparation de suspensions aqueuses concentrees de carbonate de calcium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5418498A JPS5418498A (en) | 1979-02-10 |
| JPS6317771B2 true JPS6317771B2 (US20080094685A1-20080424-C00004.png) | 1988-04-15 |
Family
ID=19728635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8140778A Granted JPS5418498A (en) | 1977-07-11 | 1978-07-04 | Method of making aqueous suspesion including at least 65 weight* of calicium carbonate |
Country Status (12)
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3004611A1 (de) * | 1980-02-08 | 1981-08-13 | Hoechst Ag, 6000 Frankfurt | Hochkonzentrierte fuellstoffslurries |
| JPS5826031A (ja) * | 1981-08-05 | 1983-02-16 | Mitsubishi Gas Chem Co Inc | 分散性の良い炭酸カルシウムの製造方法 |
| EP0108842B1 (en) * | 1982-11-10 | 1987-03-18 | Ciba Specialty Chemicals Water Treatments Limited | Calcium carbonate dispersions |
| GB8305346D0 (en) * | 1983-02-25 | 1983-03-30 | Ciba Geigy Ag | Particulate calcium carbonate |
| US4756897A (en) * | 1986-06-23 | 1988-07-12 | Kerr-Mcgee Corporation | Process for preparing concentrated byproduct nitrate solutions |
| US4732748A (en) * | 1986-12-10 | 1988-03-22 | Cyprus Mines Corporation | Finely divided calcium carbonate compositions |
| US4888308A (en) * | 1987-02-10 | 1989-12-19 | Chemical Products Corporation | Glass manufacture using dense, unsintered, granular alkaline earth metal carbonates |
| US5000871A (en) * | 1987-06-24 | 1991-03-19 | Maruo Calcium Company Limited | Gycol dispersion of calcium carbonate |
| US5275650A (en) * | 1987-10-23 | 1994-01-04 | Coatex S.A. | Agent for grinding lime to augment its reactivity |
| US5181662A (en) * | 1989-01-27 | 1993-01-26 | Coatex S.A. | Process for grinding calcium carbonate in aqueous media |
| US5593488A (en) * | 1995-08-24 | 1997-01-14 | Ecc International Inc. | Acid resistant calcium carbonate composition and uses therefor |
| US5531821A (en) * | 1995-08-24 | 1996-07-02 | Ecc International Inc. | Surface modified calcium carbonate composition and uses therefor |
| US5593489A (en) * | 1995-10-20 | 1997-01-14 | Ecc International Inc. | Acid resistant carbonate composition containing an aluminum or magnesium hydroxide methods of preparation and uses therefor |
| US5711799A (en) * | 1996-03-13 | 1998-01-27 | Ecc International Inc. | Acid tolerant calcium carbonate composition and uses therefor |
| US5653797A (en) * | 1996-04-26 | 1997-08-05 | National Gypsum Company | Ready mixed setting-type joint compound and method of making same |
| KR100190596B1 (ko) * | 1996-05-03 | 1999-06-01 | 규 재 유 | 0.1-1.0 마이크로미터의 탄산칼슘 제조법 |
| US6083317A (en) * | 1996-11-05 | 2000-07-04 | Imerys Pigments, Inc. | Stabilized calcium carbonate composition using sodium silicate and one or more weak acids or alum and uses therefor |
| GB9624085D0 (en) * | 1996-11-20 | 1997-01-08 | Ecc Int Ltd | Precipitates and their production |
| GB9627002D0 (en) * | 1996-12-27 | 1997-02-12 | Ecc Int Ltd | Dispersed aqueous suspensions |
| US6228161B1 (en) * | 1996-12-30 | 2001-05-08 | Minerals Technologies Inc. | Use of calcium carbonate in an acidic aqueous media |
| PT1147061E (pt) | 1998-12-23 | 2004-05-31 | Imerys Minerals Ltd | Producao de suspensoes de carbonato concentradas |
| US6251356B1 (en) | 1999-07-21 | 2001-06-26 | G. R. International, Inc. | High speed manufacturing process for precipitated calcium carbonate employing sequential perssure carbonation |
| US7048900B2 (en) | 2001-01-31 | 2006-05-23 | G.R. International, Inc. | Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment |
| US6937153B2 (en) * | 2002-06-28 | 2005-08-30 | Appleton Papers Inc. | Thermal imaging paper laminate |
| FR2894846B1 (fr) * | 2005-12-20 | 2008-02-01 | Coatex Sas | Utilisation de dispersants pour concentrer des matieres minerales dans l'eau, dispersions obtenues et leurs utilisations. |
| US7468101B2 (en) * | 2006-08-17 | 2008-12-23 | Specialty Minerals (Michigan) Inc. | UV varnish gloss performance using novel pigment and process for making same |
| PL2292701T5 (pl) * | 2009-07-01 | 2017-12-29 | Omya International Ag | Sposób ulepszania nieprzezroczystości |
| WO2011064323A1 (de) * | 2009-11-27 | 2011-06-03 | Basf Se | Verfahren zur herstellung von polymerhaltigen beschichtungen |
| CN106398312A (zh) | 2011-10-05 | 2017-02-15 | 索尔维公司 | 沉淀碳酸钙颗粒及其用途 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4934500A (US20080094685A1-20080424-C00004.png) * | 1972-08-01 | 1974-03-29 | ||
| FR2261227A1 (US20080094685A1-20080424-C00004.png) * | 1974-02-14 | 1975-09-12 | Ici Ltd | |
| FR2300611A1 (fr) * | 1975-02-17 | 1976-09-10 | Solvay | Procede pour disperser dans un milieu aqueux des particules finement divisees |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2709160A (en) * | 1953-06-24 | 1955-05-24 | Wyandotte Chemicals Corp | Amine-coated calcium carbonate pigments |
| US3245819A (en) * | 1962-07-30 | 1966-04-12 | Wyandotte Chemicals Corp | Stabilization of calcium carbonate slurries |
| US3347624A (en) * | 1965-05-26 | 1967-10-17 | Diamond Alkali Co | Method of preparing calcium carbonate |
| GB1204511A (en) * | 1967-03-14 | 1970-09-09 | English Clays Lovering Pochin | Improvements in or relating to pigments |
| GB1285891A (en) * | 1968-10-15 | 1972-08-16 | English Clays Lovering Pochin | Improvements in or relating to the treatment of minerals |
| BE755970A (fr) * | 1969-09-10 | 1971-02-15 | English Clays Lovering Pochin | Pigment mixte se composant d'un pigment a l'argile et d'un pigment au cabonate de calcium |
| US3945843A (en) * | 1974-07-22 | 1976-03-23 | Nalco Chemical Company | Acrylic acid copolymer as pigment dispersant |
| GB1472701A (en) * | 1975-01-03 | 1977-05-04 | English Clays Lovering Pochin | Production of aqueous calcium carbonate suspensions |
-
1977
- 1977-07-11 LU LU77723A patent/LU77723A1/xx unknown
-
1978
- 1978-06-12 BG BG40051A patent/BG49609A3/xx unknown
- 1978-06-15 IN IN448/DEL/78A patent/IN147648B/en unknown
- 1978-06-21 FI FI781991A patent/FI62272C/fi not_active IP Right Cessation
- 1978-07-04 JP JP8140778A patent/JPS5418498A/ja active Granted
- 1978-07-07 EP EP78200085A patent/EP0000415B1/fr not_active Expired
- 1978-07-07 DE DE7878200085T patent/DE2860643D1/de not_active Expired
- 1978-07-10 US US05/923,195 patent/US4242318A/en not_active Expired - Lifetime
- 1978-07-10 AT AT0496878A patent/AT372695B/de not_active IP Right Cessation
- 1978-07-10 DK DK783084A patent/DK308478A/da not_active Application Discontinuation
- 1978-07-10 ES ES471586A patent/ES471586A1/es not_active Expired
- 1978-07-11 IT IT25558/78A patent/IT1099568B/it active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4934500A (US20080094685A1-20080424-C00004.png) * | 1972-08-01 | 1974-03-29 | ||
| FR2261227A1 (US20080094685A1-20080424-C00004.png) * | 1974-02-14 | 1975-09-12 | Ici Ltd | |
| FR2300611A1 (fr) * | 1975-02-17 | 1976-09-10 | Solvay | Procede pour disperser dans un milieu aqueux des particules finement divisees |
Also Published As
| Publication number | Publication date |
|---|---|
| FI62272C (fi) | 1982-12-10 |
| ATA496878A (de) | 1983-03-15 |
| FI62272B (fi) | 1982-08-31 |
| IT1099568B (it) | 1985-09-18 |
| LU77723A1 (fr) | 1979-03-26 |
| US4242318A (en) | 1980-12-30 |
| DK308478A (da) | 1979-01-12 |
| EP0000415A1 (fr) | 1979-01-24 |
| JPS5418498A (en) | 1979-02-10 |
| AT372695B (de) | 1983-11-10 |
| EP0000415B1 (fr) | 1981-04-29 |
| FI781991A (fi) | 1979-01-12 |
| BG49609A3 (en) | 1991-12-16 |
| IT7825558A0 (it) | 1978-07-11 |
| IN147648B (US20080094685A1-20080424-C00004.png) | 1980-05-17 |
| DE2860643D1 (en) | 1981-08-06 |
| ES471586A1 (es) | 1979-01-16 |
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