High stress thermal plastic polyurethane, its preparing formulation and making process
US11673991B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 29, 2022 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Jun 29, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/7671
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermal plastic polyurethane with a stress more than 2.5 MPa, its preparing formulation and making process are disclosed. In particular, the thermal plastic polyurethane with a stress more than 2.5 MPa is prepared from a formulation comprises a polycarbonate derivative and a chain extender.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.