Embossed microporous membrane wipes and methods of manufacture and use thereof
US10953591B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2015 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Mar 19, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/755
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An embossed porous membrane wipe and/or a method of making and/or using such embossed microporous membrane wipe. The preferred embossed microporous membrane wipe includes a microporous membrane embossed alone or with a polypropylene nonwoven. The nonwoven may be a spunbond, meltblown, and/or electrospun nonwoven. The microporous membrane may include a biaxially oriented microporous membrane. The biaxially oriented microporous membrane may be made from one or more block copolymers of polyethylene and/or polypropylene. A method of using such an embossed microporous membrane, composite or laminate wipe for skin oil blotting is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.