Patent · US Expired

Polycarbonate copolymer and applications thereof

US6028161A · kind A · utility

5Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1998
Grant dateFeb 22, 2000
Priority date
Expiry dateDec 17, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2007/24304
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A polycarbonate copolymer comprising the repeating structural unit represented by general formula (1-a) and at least one of the repeating structural units represented by general formulas (2-a) and (3-a) is provided. ##STR1##

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