Patent · US Active

High stress thermal plastic polyurethane, its preparing formulation and making process

US11673991B2 · kind B2 · utility

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20Claims
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Assignee

Inventors

Key dates

Filing dateJun 29, 2022
Grant dateJun 13, 2023
Priority date
Expiry dateJun 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.