Patent ID: 11944096
Assignee: S. C. JOHNSON & SON, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 13:
14. A system for consistently emitting a volatile material, the system comprising:
a frame having at least one aperture;
a layered substrate positioned within the frame, the layered substrate including:
a first woven layer having a plurality of pores;
a second woven layer having a plurality of pores; and
a third non-woven fiber layer extending between the first and second woven layers; and

a volatile material including an active agent that is applied to at least one of the first woven layer, the second woven layer, or the third non-woven fiber layer,
wherein the system is configured to provide a steady state weight loss of the volatile material between about 1 mg/day and about 10 mg/day over a time of at least 30 days.