Polyester resin and preparation method of the same
US11312821B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Mar 5, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Mar 5, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are a polyester resin having a high residual rate of isosorbide, thereby exhibiting excellent heat resistance, excellent mechanical properties such as tensile strength, Young's modulus, etc., and excellent appearance properties and transparency, and a preparation method thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.