Stock material or miscellaneous articles – Circular sheet or circular blank – Aperture containing
Reexamination Certificate
2005-03-22
2005-03-22
Thomas, Alexander S. (Department: 1772)
Stock material or miscellaneous articles
Circular sheet or circular blank
Aperture containing
C428S460000, C428S472000, C428S494000, C277S654000, C277S936000, C277S939000
Reexamination Certificate
active
06869657
ABSTRACT:
A material for a gasket used in a vehicular engine comprising a steel plate, a coating film which is formed on one or both sides of said steel plate, and a rubber layer formed on said coating film, wherein the coating film comprises an acid, water-dispersible silica, a titanium compound, and a water-soluble polymer represented by a specific formula.
REFERENCES:
patent: 5110630 (1992-05-01), Abe et al.
patent: 0 320 826 (1989-06-01), None
patent: 03227622 (1991-10-01), None
patent: 03265764 (1991-11-01), None
Ishikawa Kenichiro
Saito Hiroshi
Nichias Corporation
Nixon & Vanderhye P.C.
Thomas Alexander S.
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