Patent · US Expired

Alkenyl compounds

US4939305A · kind A · utility

5Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1988
Grant dateJul 3, 1990
Priority date
Expiry dateNov 30, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31855
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Cured resins of high fracture toughness are prepared from N,N'-bisimides of formula I ##STR1## and alkenyl compounds of formula II EQU D(G).sub.m II in which D is an m-valent group and G represents a phenyl ring having at least one alkenyl (e.g. allyl or 1-propenyl) substituent.

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