Blown polyester film
US6013360A · kind A · utility
2Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1997 |
| Grant date | Jan 11, 2000 |
| Priority date | — |
| Expiry date | Jul 14, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Film obtained by blowing, using the bubble method from aromatic polyester resins containing a dianhydride of an aromatic tetracarboxylic acid, having thickness inferior to 10 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.