Clear conformable oriented films and labels
US5709937A · kind A · utility
50Cited by
11References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1995 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Jan 13, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Machine-direction oriented polypropylene homopolymer and propylene copolymer films are described wherein the propylene copolymer is one selected from the group consisting of propylene-ethylene copolymers containing up to about 10% by weight of ethylene and propylene-1-butene copolymers containing up to about 15% by weight of 1-butene wherein the oriented films has an opacity of less than about 10% and a haze of about 10% or less in the machine-direction and in the cross-direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.