# US 9,751,872 B2 · Coloring compound and toner

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- Number: US 9,751,872 B2
- Document ID: US9751872B2
- Status: Granted
- Kind: B2
- Application number: 15/197,554
- Filed: 2016-06-29
- Published: 2017-01-05
- Granted: 2017-09-05
- Earliest claimed: 2015-07-02
- Assignees: Canon Kabushiki Kaisha
- Applicants: Canon Kabushiki Kaisha
- Inventors: Akiko Kitao
- Web page: https://patentgrep.com/patent/US9751872B2

## CPC

- C07D 417/06: linked by a carbon chain containing only aliphatic carbon atoms
- C09B 23/04: one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
- G03G 9/0922: {Formazane dyes; Nitro and Nitroso dyes; Quinone imides; Azomethine dyes}
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C09B: ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES {, e.g. PIGMENTS}; MORDANTS; LAKES (fermentation or enzyme using processes to synthesise a desired chemical compound C12P)
- G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

## Abstract

This invention aims at providing a compound capable of providing a toner having high covering power and a toner having high covering power, which is achieved by an azamethine acetyl amide-based compound having a specific structure.

## Claims

### Claim 1

A compound having a structure represented by General Formula (1) shown below,
wherein, in General Formula (1), R1 represents an alkyl group or an aralkyl group,
R2, R4, and R5 each independently represent an alkyl group,
R3 represents an alkyl group, a phenyl group not having a substituent, or a phenyl group having a substituent, the substituent in the phenyl group having the substituent is an alkyl group or an alkoxy group, and
R6 represents an alkyl group or an acyl group.

### Claim 2 (depends on 1)

The compound according to claim 1, wherein, in General Formula (1) above, R3 has a structure represented by General Formula (2) shown below,
wherein, in General Formula (2), R7 represents a hydrogen atom or an alkyl group, R8 and R9 each independently represent an alkyl group, and * represents a bonding site.

### Claim 3 (depends on 1)

The compound according to claim 1, wherein, in General Formula (1) above, R3 has a structure represented by General Formula (3) shown below,
wherein, in General Formula (3), * represents a bonding site.

### Claim 4 (depends on 1)

A toner comprising:
a binder resin and the compound according to claim 1.