Polyisoidide furanoate thermoplastic polyesters and copolyesters and a use thereof in hot fill packaging
US10125216B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Apr 30, 2015 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Apr 30, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/88
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Semi-crystalline polyesters from isoidide and 2,5-furandicarboxylic acid are disclosed, as well as semi-crystalline copolyesters from isoidide and a minor amount of either 1,4-butanediol or 2,3-butanediol with 2,5-furandicarboxylic acid, together with processes for making high molecular weight materials by melt polymerization providing a semi-crystalline polymer then performing solid state condensation on the semi-crystalline polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.