A substantially dry wiper having first and second substrate webs joined together in a face-to-face configuration with at least one primary capsule between the two substrate webs is disclosed. The primary capsule encapsulates a primary agent that is released from the capsule upon the occurrence of a
A substantially dry wiper having first and second substrate webs joined together in a face-to-face configuration with at least one primary capsule between the two substrate webs is disclosed. The primary capsule encapsulates a primary agent that is released from the capsule upon the occurrence of a primary triggering event. A method for using such a wiper to clean a surface is also disclosed.
대표청구항▼
We claim: 1. A substantially dry wiper comprising: a substantially dry first substrate web and a substantially dry second substrate web, the first and second substrate webs being joined to one another in a face-to-face configuration; and a plurality of primary capsules, wherein each primary capsule
We claim: 1. A substantially dry wiper comprising: a substantially dry first substrate web and a substantially dry second substrate web, the first and second substrate webs being joined to one another in a face-to-face configuration; and a plurality of primary capsules, wherein each primary capsule is disposed between the first substrate web and the second substrate web and encapsulates a primary agent, where the primary agent is released from the primary capsules to the first and second substrate webs upon the occurrence of a primary triggering event. 2. The wiper of claim 1, where the first substrate web is a nonwoven web. 3. The wiper of claim 1, where the first substrate web contains cellulose fibers. 4. The wiper of claim 1, where the first substrate web is the same materials as the second substrate web. 5. The wiper of claim 1, where the first substrate web is a different material than the second substrate web. 6. The wiper of claim 1, wherein the plurality of primary capsules comprises a plurality of primary microcapsules disposed between the first substrate web and the second substrate web forming a layer of primary microcapsules over a distinct area of the wiper, and where the primary microcapsules contain the primary agent. 7. The wiper of claim 1, where the primary agent is selected from the group containing: water, cleaning solution, soap, degreaser, disinfectant, sanitizer, antibacterial substance, moisturizer, emollient, medicine, pH buffer, indicator, cosmetic, or beauty care substance. 8. The wiper of claim 1, where the primary triggering event is selected from the group containing: applied pressure, atmospheric pressure, temperature, moisture, pH, or contact with a specific substance. 9. The wiper of claim 1, where the primary triggering event is contact with water, urea, alcohol, an organic solvent, an acid, a base, or other specific liquid. 10. The wiper of claim 1, where the primary triggering event is the rolling of the wiper and twisting the opposite ends of the rolled wiper in opposite rotational directions in relation to each other. 11. A substantially dry wiper comprising: a substantially dry first substrate web and a substantially dry second substrate web, the first and second substrate webs being joined to one another in a face-to-face configuration; and at least one primary capsule, where the primary capsule is disposed between the first substrate web and the second substrate web and encapsulates a primary agent, at least one secondary capsule where the secondary capsule is disposed between the first substrate web and the second substrate web and contains a secondary agent, the secondary agent being different than the primary agent, where the primary agent is released from the primary capsule to the first and second substrate webs upon the occurrence of a primary triggering event and where the secondary agent is released from the secondary capsule to the first substrate web and the second substrate web upon the occurrence of a secondary triggering event. 12. The wiper of claim 11, wherein the at least one secondary capsule comprises a plurality of secondary microcapsules disposed between the first substrate web and the second substrate web forming a layer of secondary microcapsules over a distinct area of the wiper, and where the secondary microcapsules contain the secondary agent. 13. The wiper of claim 11, where the primary triggering event is the same as the secondary triggering event. 14. The wiper of claim 11, where the primary triggering event is different than the secondary triggering event. 15. The wiper of claim 11, where the secondary triggering event is contact with the primary agent. 16. A method for cleaning a surface with a substantially dry wiper comprising a. providing a wiper having a substantially dry first substrate web and a substantially dry second substrate web joined together in a face-to face configuration and a plurality of primary capsules disposed between the first and second substrate webs, the primary capsules containing a primary agent; b. exposing the primary capsules to a primary triggering event that releases the primary agent from the primary capsules to the first and second substrate webs; and c. cleaning the surface with the wiper. 17. The method of claim 16, wherein the plurality of primary capsules comprises a plurality of primary microcapsules disposed between the first and second substrate webs, where the primary microcapsules contain the primary agent. 18. The method claim 16, where the wiper further comprises at least one secondary capsule disposed between the first and second substrate webs and the at least one secondary capsule contains a secondary agent, where the secondary agent is different than the primary agent, and where the secondary agent is released from the secondary capsule upon exposure to a secondary triggering event. 19. The method of claim 18, where the secondary triggering event is different than the primary triggering event. 20. The method of claim 16, further comprising the step of rolling the provided wiper prior to exposure to the primary triggering event, and where the primary triggering event is the twisting of the opposite ends of the rolled wiper in opposite rotational direction relative to each other.
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