Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and moderate glass transition temperature
US7855267B2 · kind B2 · utility
66Cited by
225References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2006 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Jun 15, 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) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic residues; 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.