Niobium based paints and coatings, its oxides and...

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

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Details

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

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