Method of delivering disinfectant in an absorbent substrate

Details Method of delivering disinfectant in an absorbent substrate Method of delivering disinfectant in an absorbent substrate

1999-08-16

2001-12-11

Warden, Sr., Robert J. (Department: 1744)

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

C422S029000, C422S037000, C423S303000, C503S200000, C503S201000, C503S202000

Reexamination Certificate

active

06328929

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a method of delivering disinfectant in an absorbent substrate.
BACKGROUND OF THE INVENTION
Canadian Patent Application 2,191,928 filed by Kenneth Reay Code on Dec. 3, 1996 discloses the use of two chemicals which when combined produce iodine disinfectant in an absorbent substrate. According to the teachings of the Code reference the two chemicals remain in a dormant state until the presence of water results in an intermixing to cause the iodine producing reaction. The Code reference was developed with respect to the transportation of vials containing diagnostic specimens of bodily fluids. Leakage of bodily fluids from the vials during transport results in an intermixing of the chemicals which releases the disinfectant.
SUMMARY OF THE INVENTION
What is required is a delivery system which will maintain the reactant chemicals in a dormant state in close proximity such that the leakage of bodily fluids will lead to the desired intermixing.
According to the present invention there is provided a method of delivering disinfectant in a absorbent substrate. A first step involves intermixing a first reactant chemical, such as anhydrous cupric sulfate, with a first ink. A second step involves intermixing a second reactant chemical, such as potassium iodine, with a second ink. A third step involves printing a first pattern on an absorbent substrate with the first ink. A fourth step involves printing a second pattern on the absorbent substrate with the second ink. The second pattern is positioned in close proximity to the first pattern, such that when the first pattern and second pattern are exposed to water an intermixing of the first reactant chemical and the second reactant chemical occurs to produce an aerosol disinfectant.


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