Orientied microporous film
US4867881A · kind A · utility
212Cited by
24References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1987 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Sep 14, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24998
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A microporous article is provided. The article comprises a thermoplastic polymeric structure having a plurality of cells with adjacent cells being interconnected by passageways to provide a network of communicating pores. The structure is oriented in at least one direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.