Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Reexamination Certificate
2005-03-01
2009-12-08
O'Sullivan, Peter G (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
C106S402000, C423S600000, C424S059000, C562S597000
Reexamination Certificate
active
07629480
ABSTRACT:
There are provided organic acid anion containing aluminum salt hydroxide particles represented by the following general formula (I):in-line-formulae description="In-line Formulae" end="lead"?Ma[Al1-xM′x]bAzBy(OH)n.mH2O (I)in-line-formulae description="In-line Formulae" end="tail"?(wherein M is at least one cation selected from the group consisting of Na+, K+, NH4+and H3O+, M′ is at least one metal cation selected from the group consisting of Cu2+, Zn2+, Ni2+, Sn4+, Zr4+, Fe2+, Fe3+and Ti4+, A is at least one organic acid anion, B is at least one inorganic acid anion, and a, b, m, n, x, y and z satisfy 0.7≦a≦1.35, 2.7≦b≦3.3, 0≦m≦5, 4≦n≦7, 0≦x≦0.6, 1.7≦y≦2.4, and 0.001≦z≦0.5, respectively.)The particles are in the shape of grains, pairs, rectangular parallelepiped, disks (go stones), hexagonal plates, rice grains or cylinders and have a uniform particle diameter.
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Okada Akira
Wang Xing Dong
Kyowa Chemical Industry Co. Ltd.
O'Sullivan Peter G
Wenderoth , Lind & Ponack, L.L.P.
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