Patent · US Expired

Quinoxaline-containing hyperbranched poly(benzoxazoles) rights of the government

US6608171B1 · kind B1 · utility

3Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 2002
Grant dateAug 19, 2003
Priority date—
Expiry dateJul 10, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/22
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A hyperbranched polymer having repeating units of the formula: wherein Q is —O—, —S— or —NH—.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.