Negatively chargeable toner, method for producing the same,...

Details Negatively chargeable toner, method for producing the same,... Negatively chargeable toner, method for producing the same,...

2007-12-18

2007-12-18

Chapman, Mark A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

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

C430S108700, C430S137210, C430S137100, C399S252000

Reexamination Certificate

active

10892826

ABSTRACT:
A negatively chargeable toner containing: resin particles containing a colorant; and an external additive which coats the surface of the resin particles, wherein the external additive contains; first silica particles having a number mean primary particle size of 5 to 20 nm and second silica particles having a number mean primary particle size of 30 to 50 nm; surface-modified silica particles which are surface modified by wet treatment using an oxide or hydroxide of at least one metal selected from the group consisting of titanium, tin, zirconium and aluminum, and are further subjected to hydrophobic treatment; and aluminum oxide-silicon dioxide composite oxide particles obtained by flame hydrolysis and hydrophobic treatment.

REFERENCES:
patent: 2003/0157419 (2003-08-01), Miyakawa et al.
patent: 2000-181130 (2000-06-01), None
patent: 2001-300083 (2001-10-01), None
patent: 2002-029730 (2002-01-01), None
patent: 2002-148848 (2002-05-01), None

Affiliated with

Also associated with

Rating

Negatively chargeable toner, method for producing the same,... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Negatively chargeable toner, method for producing the same,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Negatively chargeable toner, method for producing the same,... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3884500