Transverse-direction, elastomeric, breathable film
US7799418B2 · kind B2 · utility
4Cited by
14References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2007 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Jun 29, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention provides a multilayer film preferably comprising two skin layers, each preferably comprising low density polyethylene, two outer core layers, preferably comprising an additive and a styrene block copolymer, and an inner core layer preferably comprising an additive and a styrene block copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.