Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
Reexamination Certificate
2004-10-31
2008-10-07
Le, Hoa V (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making developer composition
C430S114000, C399S238000
Reexamination Certificate
active
07432033
ABSTRACT:
Methods of printing with a liquid electrophotographic toner composition prepared within an electrophotgraphic printing apparatus are provided, wherein a polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions is first prepared in a reaction solvent, wherein the reaction solvent comprises less than about 10% aromatic components by weight and has a Kauri-Butanol number less than about 30 mL. Toner particles are then formulated in the reaction solvent and dried. The dried toner particles are then redispersed in a carrier liquid.
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Commonly assigned U.S. Appl. No. 10/978,636, filed Oct. 31, 2004 entitled “Liquid Toners Comprising Amphipathic Copolymeric Binder That Have Been Prepared, Dried and Redispersed in the Same Carrier Liquid”, in the name of Chou et al.
Commonly assigned U.S. Appl. No. 10/978,652, filed Oct. 31, 2004 entitled “Liquid Toners Comprising Toner Particles Prepared in a Solvent Other Than the Carrier Liquid”, in the name of Chou et al.
Baker James A.
Chou Hsin Hsin
Teschendorf Brian P.
DLA Piper (US) LLP
Le Hoa V
Samsung Electronics Co,. Ltd.
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