Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2008-05-19
2011-11-15
Szekely, Peter (Department: 1761)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S433000, C524S436000, C423S307000, C423S315000, C423S635000
Reexamination Certificate
active
08058338
ABSTRACT:
An anticorrosive pigment composition containing neither any heavy metal harmful to the environment nor zinc, which may be harmful to the environment. The composition is a product of the reaction of (a) aluminum dihydrogen tripolyphosphate, (b) a calcium compound selected among oxides, hydroxides, and carbonates, and (c) a magnesium compound selected among oxides, hydroxides, and carbonates. The composition exerts no adverse influence on the storage stability of water-based anticorrosive coating materials.
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Kondo Hajime
Yoshida Ikuo
Millen White Zelano & Branigan P.C.
Szekely Peter
Tayca Corporation
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