Process for making a multi-ply dispersible wipe
US11542664B2 · kind B2 · utility
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17References
17Claims
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Key dates
| Filing date | Dec 20, 2017 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Nov 6, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2555/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for making a multi-ply dispersible wipe includes providing a first web and a second web, each web comprising cellulose fibers; superposing the first web over the second web; applying an aqueous solution to at least the first web; after the aqueous solution is applied to the first web, crimping the second web to the first web to create a composite web; cutting or perforating the composite web to define a plurality of multi-ply wet wipes; and packaging the composite web/wet wipes into a package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.