Patent · US Expired

Halogen and perhalo-organo substituted N-phenyl (or biphenyl) maleimide

US6314225A · kind A · utility

27Cited by
2References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 23, 1999
Grant dateNov 6, 2001
Priority date
Expiry dateNov 23, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F222/402
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A copolymer containing N-(halogenated phenyl) maleimide units or N-(halogenated phenyl) bismaleimide units and one or more second units selected from halogenated acrylates, halogenated styrenes, halogenated vinyl ether, halogenated olefins, halogenated vinyl isocyanates, halogenated N-vinyl amides, halogenated allyls, halogenated propenyl ethers, halogenated methacrylates, halogenated maleates, halogenated itaconates, and halogenated crotonates, is useful to form optical devices

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