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US 6,649,316 B2Granted
Phase change developer for liquid electrophotography
AssigneeSamsung Electronics Co., Ltd.
InventorsJames A. Baker, Julie Y. Qian, Gay L. Herman
Life of this patent
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Abstract
This invention relates to a phase change developer comprising: (a) a carrier having a Kauri-butanol number less than 30; and (b) an organosol comprising a graft (co)polymeric steric stabilizer covalently bonded to a thermoplastic (co)polymeric core that is insoluble in said carrier, and said (co)polymeric steric stabilizer comprises a crystallizing polymeric moiety that independently and reversibly crystallizes at or above 30° C., wherein said phase change developer has a melting point at or above 22° C.
Claims17
A solid phase change developer comprising:
- (a) a carrier having a Kauri-butanol number less than 30;
- and
- (b) an organosol comprising a graft (co)polymeric steric stabilizer covalently bonded to a thermoplastic (co)polymeric core, said thermoplastic (co)polymeric core is insoluble in said carrier, and said (co)polymeric steric stabilizer comprising a crystallizing polymeric moiety that independently and reversibly crystallizes at or above 30° C.,
- wherein said phase change developer has an activation point at or above 22° C.
1 more element
A phase change developer comprising:
- (c) a carrier having a Kauri-butanol number less than 30;
- and
- (d) an organosol comprising a graft (co)polymeric steric stabilizer covalently bonded to a thermoplastic (co)polymeric core, said thermoplastic (co)polymeric core is insoluble in said carrier, and said (co)polymeric steric stabilizer comprising a crystallizing polymeric moiety that independently and reversibly crystallizes at or above 30° C.
- wherein said phase change developer has an activation point at or above 22° C.
1 more element
Dependencies are inferred from the claim text.