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1. WO2004101691 - COMPOSITIONS DE REMPLISSAGE ET DE REVETEMENT EN PAPIER CONTENANT DE LA MAGADIITE LAMELLAIRE SYNTHETIQUE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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WHAT IS CLAIMED IS:
1. A coating composition comprising platy layered silicate pigment (s) .
2. The coating composition of Claim 1 wherein the layered silicate pigment (s) is present in an amount of from 0.1 wt. percent to 30 wt. percent, based on the weight of the composition.
3. The coating composition of Claim 1 wherein the platy layered silicate is a synthetic magadiite comprising more than fifty percent by weight of platy magadiite.
4. The coating composition of Claim 1 wherein the platy magadiite is a synthetic magadiite comprising more than eighty percent by weight of platy magadiite.
5. The coating composition of Claim 1 wherein the platy magadiite is a synthetic magadiite comprising more than ninety percent by weight of platy magadiite.
6. The coating composition of Claim 1 wherein the platy layered silicate is selected from the group consisting of platy magadiite, platy kenyaite, platy octasilicate, platy KHSi205, and platy Na2Si205.
7. The coating composition of Claim 1 further
comprising another pigment selected from the group consisting of calcium carbonate, precipitated calcium carbonate (PCC) , kaolin, talc, alumina trihydrate, titanium dioxide, platy talc, platy CaC03 , platy bentonite, platy mica, platy satin white and platy vermiculite.
8. The coating composition of Claim 3 wherein the platy magadiite is modified with a reactive coupling agent selected from the group consisting of organosilanes, alcohols and quaternary salts.
9. A paper product comprising platy layered silicate pigments .

10. The paper product of Claim 9 wherein the platy layered silicate is a synthetic magadiite comprising more than fifty percent by weight of platy magadiite.
11. The paper product of Claim 9 wherein the platy layered silicate is a synthetic magadiite comprising more than fifty percent by weight of platy magadiite.
12. The paper product of Claim 8 wherein the platy layered silicate is selected from the group consisting of platy magadiite, platy kenyaite, platy octasilicate, platy KHSi205, and platy Na2Si205.
13. A latex product comprising platy layered silicate pigments .
14. The latex product of Claim 13 wherein the platy layered silicate is a synthetic magadiite comprising more than fifty percent by weight of platy magadiite.
15. A cardboard product comprising platy layered silicate pigments.
16. Paints or films for road signs comprising platy layered silicate pigments.
17. Ink products comprising platy layered silicate pigments .
18. A flame retardant composition comprising platy layered silicate pigments .
19. An aqueous suspension comprising a platy layered silicate, a suspending agent and a latex polymer.
20. The aqueous suspension of Claim 19 wherein the suspending agent is selected from the group consisting of polyacrylate polymers, polyvinylalcohol polymers, maleic anhydride-containing copolymers, and polyphosphates maleic anhydride-containing copolymers, and polyphosphates
21. The aqueous suspension of Claim 19 wherein the platy layered silicate is a synthetic magadiite comprising more than fifty percent by weight of platy magadiite.

22. The aqueous suspension of Claim 19 wherein the platy layered silicate is a synthetic magadiite comprising more than eighty percent by weight of platy magadiite.
23. The aqueous suspension of Claim 19 wherein the platy layered silicate is a synthetic magadiite comprising more than ninety percent by weight of platy magadiite.
24. The aqueous suspension of Claim 19 wherein the platy layered silicate is selected from the group consisting of platy magadiite, platy kenyaite, platy octasilicate, platy KHSi205, and platy Na2Si205.
25. The aqueous suspension of Claim 20 wherein the latex polymer is selected from the group consisting of styrene-butadiene latex, styrene acrylate latex, styrene-butadiene-acrylonitrile latex, styrene maleic anhydride latex, styrene-acrylate-maleic anhydride latex,
26. The aqueous suspension of Claim 25 wherein the latex polymer is selected from the group consisting of carboxylated styrene-butadiene latex, carboxylated styrene-acrylate latex, carboxylated styrene-butadiene-acrylonitrile latex, polyvinyl alcohol, and carboxylated copolymers of polyvinyl acetate and acrylate ester latex.
27. An aqueous suspension comprising a platy layered silicate, a suspending agent, and a binder selected from the group consisting of starch, cellulose and protein.
28. An article or formulation selected from the group consisting of (1) a nanofiller in polyolefin nanocomposites, (2) a paint pigment formulation, and (3) a catalyst support for polyolefin catalysts, each comprising a platy layered silicate.
29 The article of Claim 28 wherein the platy layered silicate is a synthetic magadiite comprising more than fifty percent by weight of platy magadiite.
30. The article of Claim 28 wherein the platy layered silicate is selected from the group consisting of platy magadiite, platy kenyaite, platy octasilicate, platy KHSi205, and platy Na2Si205.