Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-01-02
1994-06-28
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428252, 428253, 428254, 428284, 428287, 428902, B32B 700
Patent
active
053245784
ABSTRACT:
A composite of an insulative layer and a fire retardant fabric which is used to make protective articles for laser surgery and which possesses favorable burning, flashing, and resistance to burn through properties. The insulative layer is preferably a hydrogel or other hydrophilic material such as a polyurethane, collagen, polyacrylonitrile, polyvinyl alcohol, or polyvinyl acetal. The fire retardant fabric is preferably a fabric woven or knitted from polyamide or polyimide fibers having a thickness sufficient to provide the desired degree of protection.
REFERENCES:
patent: 4601286 (1986-07-01), Kaufman
patent: 4706680 (1987-11-01), Keusch et al.
Bell James J.
Kevtek Medical Products, Inc.
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