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ECC INT INC
US35 patents
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US5531821AJul 2, 1996
Surface modified calcium carbonate composition and uses therefor
ECC INT INC125 citations99
US5584923ADec 17, 1996
Surface modified calcium carbonate composition and uses therefor
ECC INT INC63 citations96
US5647902AJul 15, 1997
Stabilized calcium carbonate composition using sodium carbonate and mixtures of acids and uses therefor
ECC INT INC30 citations93
US5599388AFeb 4, 1997
Acid resistant calcium carbonate composition containing an aluminum salt, uses therefor and processes for its production
ECC INT INC18 citations93
US5593488AJan 14, 1997
Acid resistant calcium carbonate composition and uses therefor
ECC INT INC25 citations93
US5593489AJan 14, 1997
Acid resistant carbonate composition containing an aluminum or magnesium hydroxide methods of preparation and uses therefor
ECC INT INC22 citations93
US5223463AJun 29, 1993
Process for producing a kaolin clay product
ECC INT INC33 citations92
US5332493AJul 26, 1994
Method for improving rheological properties of kaolin clays
ECC INT INC35 citations91
US5522924AJun 4, 1996
Method for producing high brightness low abrasion calcined kaolin pigment
ECC INT INC82 citations90
US6068693AMay 30, 2000
Method for separating mixture of finely divided minerals and product thereof
ECC INT INC27 citations89
US5711799AJan 27, 1998
Acid tolerant calcium carbonate composition and uses therefor
ECC INT INC27 citations89
US5685900ANov 11, 1997
Method for beneficiating discolored kaolin to produce high brightness coating clay
ECC INT INC78 citations89
US5371051ADec 6, 1994
Method for producing high opacifying kaolin pigment
ECC INT INC26 citations89
US5236989AAug 17, 1993
Aggregated composite mineral pigments
ECC INT INC43 citations89
US5227349AJul 13, 1993
Process for producing a kaolin clay product
ECC INT INC28 citations89
US5454865AOct 3, 1995
Method for preparing refined kaolin in clay products
ECC INT INC42 citations88
US5332564AJul 26, 1994
Process for production of rhombic shaped precipitated calcium carbonate
ECC INT INC57 citations88
US5301812AApr 12, 1994
Air classifying apparatus with wear reducing deflector
ECC INT INC27 citations88
US5261956ANov 16, 1993
Method for improving the rheology of calcined kaolin clay products
ECC INT INC41 citations88
US5856397AJan 5, 1999
Dry grinding aid for dry milling a calcined kaolin clay and a related method
ECC INT INC26 citations85
US5458680AOct 17, 1995
Method of producing aggregated composite pigments using organic silicon compounds
ECC INT INC23 citations85
US5992641ANov 30, 1999
Methods and apparatus for screening particulate materials
ECC INT INC42 citations81
US5744530AApr 28, 1998
Granular calcium carbonate for use as a direct additive for thermoplastics
ECC INT INC19 citations81
US5547574AAug 20, 1996
Apparatus for filtering mineral slurries
ECC INT INC13 citations71
US5545338AAug 13, 1996
Method for filtering mineral slurries
ECC INT INC14 citations71
US5232495AAug 3, 1993
Method of producing aggregated kaolinite pigment using organic silicon compounds
ECC INT INC10 citations71
US5223155AJun 29, 1993
Method for filtering mineral slurries
ECC INT INC13 citations71
US5213687AMay 25, 1993
Apparatus for filtering mineral slurries
ECC INT INC13 citations71
US5317053AMay 31, 1994
Method for production of high solid aqueous calcium carbonate suspensions
ECC INT INC16 citations68
US5207822AMay 4, 1993
Synergistic filler blends for wood-containing papers
ECC INT INC12 citations66
US5713998AFeb 3, 1998
Method for producing high opacifying kaolin pigment
ECC INT INC9 citations63
US5516364AMay 14, 1996
Method for producing low abrasion kaolin pigment
ECC INT INC13 citations63
US5364579ANov 15, 1994
Method for pelletizing calcined clay
ECC INT INC9 citations63
US5913973AJun 22, 1999
Method for producing high solids aqueous acid-resistant calcium carbonate suspensions and product thereof
ECC INT INC6 citations61
US5298066AMar 29, 1994
Method of producing aggregated kaolinite pigment using organic silicon compounds
ECC INT INC5 citations60