Construction material

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2008-07-22

2008-07-22

Zemel, Irina S (Department: 1796)

Compositions: ceramic

Ceramic compositions

Refractory

C525S168000, C525S165000, C525S190000, C525S332300, C106S690000, C106S691000, C428S515000

Reexamination Certificate

active

11204331

ABSTRACT:
A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic is applied as a slurry which includes one or more of a metal oxide or a metal hydroxide with a source of phosphate to produce a phosphate ceramic and a poly (acrylic acid or acrylate) or combinations or salts thereof and polystyrene or MgO applied to the polystyrene base and allowed to cure so that the dried aqueous slurry chemically bonds to the polystyrene base. A method is also disclosed of applying the slurry to the polystyrene base.

REFERENCES:
patent: 5645518 (1997-07-01), Wagh et al.
patent: 5830815 (1998-11-01), Wagh et al.
patent: 5846894 (1998-12-01), Singh et al.
patent: 6133498 (2000-10-01), Singh et al.
patent: 6153809 (2000-11-01), Singh et al.
patent: 2002/0123422 (2002-09-01), Wagh et al.
patent: 2001-231848 (2001-08-01), None
Bohner et al., Gentamicin Release from a Hydraulic Calcium Phosphate Cement . . . , 3rd General Meeting of the Swiss Society of Biomaterials, May 1997.

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