Film(s) and/or sheet(s) made using polyester compositions containing low amounts of cyclobutanediol
US8063172B2 · kind B2 · utility
7Cited by
230References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2006 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Apr 29, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described are film(s) and/or sheet(s) made using polyester compositions comprising polyesters comprising (a) a dicarboxylic acid component comprising 70 to 100 mole % of terephthalic acid residues, and up to 30 mole % of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and 1,4-cyclohexanedimethanol residues.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.