Process of making a multi-ply fibrous water soluble product
US10857756B2 · kind B2 · utility
4Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | May 27, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2398/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for manufacturing a water soluble product including the steps of: providing a water soluble fibrous first ply; providing a water soluble fibrous second ply formed on a surface other than the first ply, wherein the second ply is separate from the first ply; superposing the first ply and the second ply; and joining a first portion of the first ply to a second portion of the second ply to form the water soluble product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.