Patent · US Expired

Fluorenone carboxyle acid esters

US4062886A · kind A · utility

12Cited by
1References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 16, 1975
Grant dateDec 13, 1977
Priority date
Expiry dateJul 16, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/18
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed are monomers of the formula: ##STR1## WHEREIN R is ##STR2## R' is hydrogen or methyl; R" is alkyl of 1-10 carbon atoms; PA1 X and Y are independently selected from the group consisting of NO.sub.2, halogen, cyano and --CF.sub.3 ; PA1 Z is oxygen or dicyanomethylene; PA1 a and a' can range from 0-3; and PA1 n is 1-10. These monomers can be readily polymerized to polymers suitable for use in electrophotographic imaging members and methods.

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