Fluorenone carboxyle acid esters
US4062886A · kind A · utility
12Cited by
1References
1Claims
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Key dates
| Filing date | Jul 16, 1975 |
| Grant date | Dec 13, 1977 |
| Priority date | — |
| Expiry date | Jul 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.