Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1996-10-31
1998-08-04
Short, Patricia A.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
525125, 525130, 525131, 525455, G03G 9087
Patent
active
057891303
ABSTRACT:
A toner resin composition is provided containing as a main component a vinyl copolymer having a higher molecular weight component with a peak value of molecular weight distribution of 2.times.10.sup.5 -2.times.10.sup.6 and a lower molecular weight component with a peak value of molecular weight distribution of from 4.times.10.sup.3 -8.times.10.sup.4, and a thermoplastic polyester urethane of a weight average molecular weight of from about 5,000-500,000 in a ratio of 0.01 to 30 wt. % of the total resin composition.
REFERENCES:
patent: 4833057 (1989-05-01), Misawa et al.
patent: 4931375 (1990-06-01), Akimoto
patent: 4968574 (1990-11-01), Morita
patent: 5427883 (1995-06-01), Misawa
Matsunaga Takayoshi
Suzuki Tatsuo
Sekisui Chemical Kogyo Kabushiki Kaisha
Short Patricia A.
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