Functional material containing volatile agent

Details Functional material containing volatile agent Functional material containing volatile agent

1998-08-25

2000-09-26

Copenheaver, Blaine

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coated or impregnated natural fiber fabric

428199, 428207, 4283066, 4283088, B32B 326, B32B 514

Patent

active

061242195

ABSTRACT:
A functional material which fades in color with the volatilization of volatile agents such as fragrant agents, deodorant agents, antibacterial agents, etc. so that a user can visually check the end of the effect of such agents. A volatile agent and an oil-soluble dye having a dissolving proportion of 0.0001-1% are carried on a porous carrier undyeable with, i.e. low in affinity for the oil-soluble dye. The content of the oil-soluble dye is 0.1-100 .mu.g per square centimeter of the effective surface area of the porous carrier.

REFERENCES:
patent: 4624881 (1986-11-01), Shini
patent: 5389426 (1995-02-01), Arens et al.

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