High-viscosity polyester with improved impact properties
US11859046B2 · kind B2 · utility
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4References
13Claims
0Family size
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Key dates
| Filing date | May 20, 2016 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | May 20, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/916
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a thermoplastic polymer comprising at least one 1,4:3,6-dianhydrohexitol unit (A), at least one alicyclic diol unit (B) other than the 1,4:3,6-dianhydrohexitol units (A) and at least one high-viscosity terephthalic acid unit (C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.