Assignee
ECC INT INC
US·35 granted patents·1,072 citations·filing 1989–1997
Top patents by PatentIndex Score
35 records- 0197US5531821ASurface modified calcium carbonate composition and uses thereforECC INT INC·Filed 1995·Granted Jul 2, 1996·125 cites·9 claims
- 0291US5584923ASurface modified calcium carbonate composition and uses thereforECC INT INC·Filed 1996·Granted Dec 17, 1996·63 cites·5 claims
- 0384US5685900AMethod for beneficiating discolored kaolin to produce high brightness coating clayECC INT INC·Filed 1995·Granted Nov 11, 1997·78 cites·16 claims
- 0484US5522924AMethod for producing high brightness low abrasion calcined kaolin pigmentECC INT INC·Filed 1995·Granted Jun 4, 1996·82 cites·8 claims
- 0583US5332564AProcess for production of rhombic shaped precipitated calcium carbonateECC INT INC·Filed 1992·Granted Jul 26, 1994·57 cites·14 claims
- 0683US5236989AAggregated composite mineral pigmentsECC INT INC·Filed 1991·Granted Aug 17, 1993·43 cites·6 claims
- 0782US5454865AMethod for preparing refined kaolin in clay productsECC INT INC·Filed 1993·Granted Oct 3, 1995·42 cites·9 claims
- 0881US5261956AMethod for improving the rheology of calcined kaolin clay productsECC INT INC·Filed 1992·Granted Nov 16, 1993·41 cites·17 claims
- 0980US5332493AMethod for improving rheological properties of kaolin claysECC INT INC·Filed 1992·Granted Jul 26, 1994·35 cites·9 claims
- 1079US5223463AProcess for producing a kaolin clay productECC INT INC·Filed 1991·Granted Jun 29, 1993·33 cites·16 claims
- 1177US5647902AStabilized calcium carbonate composition using sodium carbonate and mixtures of acids and uses thereforECC INT INC·Filed 1995·Granted Jul 15, 1997·30 cites·11 claims
- 1272US5227349AProcess for producing a kaolin clay productECC INT INC·Filed 1992·Granted Jul 13, 1993·28 cites·42 claims
- 1371US5371051AMethod for producing high opacifying kaolin pigmentECC INT INC·Filed 1993·Granted Dec 6, 1994·26 cites·5 claims
- 1471US5301812AAir classifying apparatus with wear reducing deflectorECC INT INC·Filed 1993·Granted Apr 12, 1994·27 cites·10 claims
- 1569US5992641AMethods and apparatus for screening particulate materialsECC INT INC·Filed 1995·Granted Nov 30, 1999·42 cites·38 claims
- 1668US6068693AMethod for separating mixture of finely divided minerals and product thereofECC INT INC·Filed 1997·Granted May 30, 2000·27 cites·15 claims
- 1767US5593488AAcid resistant calcium carbonate composition and uses thereforECC INT INC·Filed 1995·Granted Jan 14, 1997·25 cites·23 claims
- 1866US5711799AAcid tolerant calcium carbonate composition and uses thereforECC INT INC·Filed 1996·Granted Jan 27, 1998·27 cites·17 claims
- 1964US5593489AAcid resistant carbonate composition containing an aluminum or magnesium hydroxide methods of preparation and uses thereforECC INT INC·Filed 1995·Granted Jan 14, 1997·22 cites·18 claims
- 2064US5458680AMethod of producing aggregated composite pigments using organic silicon compoundsECC INT INC·Filed 1994·Granted Oct 17, 1995·23 cites·28 claims
- 2161US5856397ADry grinding aid for dry milling a calcined kaolin clay and a related methodECC INT INC·Filed 1996·Granted Jan 5, 1999·26 cites·17 claims
- 2258US5599388AAcid resistant calcium carbonate composition containing an aluminum salt, uses therefor and processes for its productionECC INT INC·Filed 1995·Granted Feb 4, 1997·18 cites·17 claims
- 2354US5744530AGranular calcium carbonate for use as a direct additive for thermoplasticsECC INT INC·Filed 1996·Granted Apr 28, 1998·19 cites·21 claims
- 2452US5317053AMethod for production of high solid aqueous calcium carbonate suspensionsECC INT INC·Filed 1992·Granted May 31, 1994·16 cites·7 claims
- 2550US5232495AMethod of producing aggregated kaolinite pigment using organic silicon compoundsECC INT INC·Filed 1992·Granted Aug 3, 1993·10 cites·16 claims
- 2649US5545338AMethod for filtering mineral slurriesECC INT INC·Filed 1993·Granted Aug 13, 1996·14 cites·14 claims
- 2747US5547574AApparatus for filtering mineral slurriesECC INT INC·Filed 1993·Granted Aug 20, 1996·13 cites·15 claims
- 2847US5207822ASynergistic filler blends for wood-containing papersECC INT INC·Filed 1992·Granted May 4, 1993·12 cites·5 claims
- 2946US5213687AApparatus for filtering mineral slurriesECC INT INC·Filed 1992·Granted May 25, 1993·13 cites·12 claims
- 3044US5223155AMethod for filtering mineral slurriesECC INT INC·Filed 1992·Granted Jun 29, 1993·13 cites·14 claims
- 3143US5913973AMethod for producing high solids aqueous acid-resistant calcium carbonate suspensions and product thereofECC INT INC·Filed 1997·Granted Jun 22, 1999·6 cites·10 claims
- 3242US5516364AMethod for producing low abrasion kaolin pigmentECC INT INC·Filed 1995·Granted May 14, 1996·13 cites·14 claims
- 3339US5364579AMethod for pelletizing calcined clayECC INT INC·Filed 1989·Granted Nov 15, 1994·9 cites·6 claims
- 3438US5298066AMethod of producing aggregated kaolinite pigment using organic silicon compoundsECC INT INC·Filed 1993·Granted Mar 29, 1994·5 cites·32 claims
- 3536US5713998AMethod for producing high opacifying kaolin pigmentECC INT INC·Filed 1995·Granted Feb 3, 1998·9 cites·16 claims
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