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
2006-01-31
2006-01-31
Szekely, Peter (Department: 1714)
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...
C524S430000
Reexamination Certificate
active
06992126
ABSTRACT:
The present invention refers to compositions and coatings, having the niobium, its oxides and possible associations with other oxides as a pigment, and its utilization carried out by the usual techniques of painting, acting as an anticorrosive to organic acids, particularly the naphthenic acids in sulfide medium, persistently present in the petrochemical industry.
REFERENCES:
patent: 5290354 (1994-03-01), Haluska
patent: 5312868 (1994-05-01), Abe et al.
patent: 60-212019 (1985-10-01), None
patent: 05-001245 (1993-01-01), None
patent: 5-1245 (1993-01-01), None
patent: 05 05012245 (1993-01-01), None
Carvalho Ladimir José
Miranda Luiz Roberto
Pereira Antônio Carlos
COPPE/UFRJ-Coordenacao dos Programas de Pos Graduacao de Engenha
Fildes & Outland, P.C.
Szekely Peter
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