Composite sheet of polypropylene film and non-woven fabric for separating stacked groups of containers
US5080960A · kind A · utility
8Cited by
15References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 1991 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Mar 4, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2393
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A separator pad for stacked containers is composed of a spunbonded central fabric of polypropylene having a basis weight of 6 to 11 oz. per square yard and outer flat layers of polypropylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.