Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom
US7781562B2 · kind B2 · utility
75Cited by
225References
36Claims
0Family size
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Key dates
| Filing date | Mar 28, 2006 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | May 6, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described are polyesters comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.