Film, laminated film and laminated structure
US6284355A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 1999 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | May 17, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There are provided: PA1 a film(F) obtained by heat-aging a film containing a specific propylene resin; PA1 a laminated film(LF-1) having (i)a layer containing a specific propylene resin, and (ii)a layer containing a specific propylene block copolymer; PA1 a laminated film(LF-2) obtained by heat-aging the laminated film(LF-1); PA1 a laminated structure(LS-1) having (a)a substrate containing an olefinic resin, and (b)the film(F); PA1 a laminated structure(LS-2) having (a)a substrate containing an olefinic resin, and (b)the laminated film(LF-1); PA1 a laminated structure(LS-3) obtained by heat-aging said laminated structure(LS-2); PA1 a laminated structure(LS-4) having (a)a substrate containing an olefinic resin, and (b)a laminated film(LF-2); and PA1 a laminated structure(LS-5) having (a)a substrate containing an olefinic resin, and (b)a film containing a specific propylene resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.