Color keeping slip-resisting solution

Details Color keeping slip-resisting solution Color keeping slip-resisting solution

2007-02-20

2007-02-20

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Tractive or friction surface

C106S287300, C516S198000, C516S203000

Reexamination Certificate

active

11005425

ABSTRACT:
An aqueous solution for treatment of colored concrete, glazed enamel or porcelain surfaces to increase the coefficient of friction of that surface, whether dry or wet, to about 0.8 without deteriorating the color of the surface comprises about 1.5 to 1.9 wt % of ammonium bifluoride, 1.5 to 3.0 wt % of tri-ethylamine and a wetting agent in water. The degree of change of the color of the surface, treated seven minutes with the solution of the current application, measured by a color meter shows only 0.56 while the result of a commercial solution to increase the frictional coefficient shows 2.22. This means that the color change by the solution of the current application is undetectable by human eyes. Meanwhile, the change by the commercial solution product is detectable.

REFERENCES:
patent: 5423910 (1995-06-01), Schiller
patent: 5660891 (1997-08-01), Kenyon et al.
patent: 5698021 (1997-12-01), Dorsett
patent: 5728660 (1998-03-01), Borah
patent: 5885339 (1999-03-01), Dorsett
patent: 6423674 (2002-07-01), Williams et al.
patent: 6767586 (2004-07-01), Coven
patent: 6767869 (2004-07-01), DiLullo et al.

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