Waterborne composition for forming protective coatings

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Silicon dioxide – silicic acid – orthosilicate – or...

Reexamination Certificate

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C508S137000, C508S138000, C508S141000, C508S143000, C508S154000, C508S155000, C508S161000, C508S165000, C508S181000

Reexamination Certificate

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07462582

ABSTRACT:
A waterborne composition for forming protective coatings to provide, by a simple method comprising coating and drying onto a metal surface, a coating that is uniform with little unevenness and that has an excellent galling resistance and workability that are at least as good as the corresponding properties afforded by conversion treatment methodologies, contains water-soluble inorganic salt and smectite-type clay mineral. The lubrication performance of the coating can also be improved when said composition additionally contains a lubricating component.

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patent: 4435296 (1984-03-01), Brooks et al.
patent: 4683259 (1987-07-01), Goodman
patent: 5307660 (1994-05-01), Stoutenburg
patent: 5661116 (1997-08-01), Periard
patent: 5663111 (1997-09-01), Gadberry et al.
patent: 5939475 (1999-08-01), Reynolds et al.
patent: 6130256 (2000-10-01), Nae
patent: 6136757 (2000-10-01), Chiddick
patent: 6172121 (2001-01-01), Chaiko
patent: 6251839 (2001-06-01), Faci
The Clay Handbook, 2ndEdt., Clay Science Society of Japan, 1987 pp. 58-66.

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