Toner

Details Toner Toner

2007-02-06

2009-12-29

Goodrow, John L (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

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

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

C430S111400

Reexamination Certificate

active

07638251

ABSTRACT:
The invention provides a toner which is excellent in its low-temperature fixing property and high-temperature offset resistance regardless of the types of paper, and constantly provides high-quality images regardless of environments and does not generate image defects even after prolonged use. In a master curve of the toner at a reference temperature of 150° C., a difference between a storage modulus at a frequency of 0.1 Hz and a storage modulus at a frequency of 1000 Hz is set in a rage from 0 to 2.5×105Pa, where the activation energy determined from a shift factor is brought to a range from 50 to 130 kJ/mol.

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IPER mailed May 8, 2008 in PCT/JP2006/321921.

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