Polyester compositions containing furandicarboxylic acid or an ester thereof, cyclobutanediol and ethylene glycol
US10800878B2 · kind B2 · utility
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25Claims
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Key dates
| Filing date | Oct 10, 2012 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Oct 10, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249953
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described are polyesters comprising (a) a dicarboxylic acid component comprising 2,5-furandicarboxylic acid residues; optionally, aromatic dicarboxylic acid residues and/or modifying aliphatic dicarboxylic acid residues, 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and ethylene glycol. The polyesters may be manufactured into articles such as fibers, films, bottles, coatings, or sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.