G - Physics – 03 – G
Patent
G - Physics
03
G
96/55
G03G 9/12 (2006.01) G03G 9/13 (2006.01)
Patent
CA 1093883
Abstract of the Disclosure A liquid developer composition suitable for use in developing electrostatic charge patterns, which composition contains in an electrically insulating carrier liquid having a volume resistivity of at least 109 Ohm.cm and a dielectric constant below 3, a dispersed particulate colouring substance bearing one or more charge control substances and an organic polymeric material, wherein said polymeric material is a copolymer containing the following recurring units (A) and (B) or (A) and (C) : (A) Image (B) Image (C) Image wherein : R represents an alkyl group of 1 to 4 carbon atoms, R1 represents hydrogen or an acyl group, R2 represents hydrogen or carboxyl in free acid or salt form, R3 represents hydroxyl or an ether group, GV.930 A represents an alkylene chain of 12 to 20 carbon atoms, Y1 represents -CO-O-CH2-CHOH-CH2- Y2 represents -CO-, and x represents 4 to 20. :: GV.930
267932
de Volder Noel J.
de Winter Walter F.
Gilliams Yvan K.
Tavernier Bernard H.
Agfa-Gevaert Naamloze Vennootschap
Borden Ladner Gervais Llp
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