Patent · US Active

Polymer, composition and film

US8592528B2 · kind B2 · utility

2Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 2010
Grant dateNov 26, 2013
Priority date
Expiry dateMay 7, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/1042
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyamic acid including structural units of the following Chemical Formulae 1 and 2 is provided:In Chemical Formulae 1 and 2, each substituent is as defined in the detailed description.

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