Toners and developers containing quaternary ammonium 3,5-di-tert

Details Toners and developers containing quaternary ammonium 3,5-di-tert Toners and developers containing quaternary ammonium 3,5-di-tert

1994-12-21

1996-02-13

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430105, 430108, 430120, G03G 9097

Patent

active

054910447

ABSTRACT:
New electrostatographic toners and developers are provided containing charge-control agents comprising 3,5-di-tertiary-alkyl-4-hydroxybenzenesulfonate salts having the structure: ##STR1## The substituents are defined in the specification.

REFERENCES:
patent: 4139483 (1979-02-01), Williams et al.
patent: 4338390 (1982-07-01), Lu
patent: 4394430 (1983-07-01), Jadwin et al.
patent: 4490455 (1984-12-01), Hoffend et al.
patent: 4684596 (1987-08-01), Bonser et al.
patent: 5110977 (1992-05-01), Wilson et al.
patent: 5407774 (1995-04-01), Matsushima et al.
U.S. Application Ser. No. 08/361,343, entitled "Quaternary Ammonium Salts As Charge-Control Agents For Toners and Developers," filed Dec. 21, 1994.
U.S. Application Ser. No. 08/361,068, entitled "Toners and Developers Containing Quaternary Phosphonium 3,5-Di-Tertiary-Alkyl-4-Hydroxybenzenesulfonates As Charge-Control Agents," filed Dec. 21, 1994.

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