Compositions – Solids with solution or dispersion aids
Reexamination Certificate
2011-05-31
2011-05-31
Le, H. (Holly) T (Department: 1788)
Compositions
Solids with solution or dispersion aids
C106S287170, C106S287290, C252S182350
Reexamination Certificate
active
07951309
ABSTRACT:
A process for the preparation of amorphous aluminum phosphate or polyphosphate-based pigment by reacting aluminum phosphate and sodium aluminate is provided. The amorphous aluminum phosphate or polyphosphate is characterized by a skeletal density of less than 2.50 grams per cubic centimeter and a phosphorus to aluminum mole ratio of greater than 0.8. In one embodiment, the composition is useful in paints as a substitute for titanium dioxide.
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Souza, E.F., and Galembeck, F., Formation of Opaque Films by Biomimetic Proce
de Brito João
dos Santos Ádamo César Mastrângelo Amaro
Galembeck Fernando
Rosseto Renato
Bunge Fertilizantes S.A.
Connolly Bove & Lodge & Hutz LLP
Le H. (Holly) T
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