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US 5,707,772 AGranted
Toner for electrophotography
AssigneeKonica Corporation
InventorsKunio Akimoto, Tsuyoshi Uchida, Hiroyuki Kozuru
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Abstract
Disclosed is a toner, composed of at least a resin, a colorant and a releasing agent, wherein a low molecular weight polyolefine polymer synthesized by using a metallocene catalyst is employed as aforesaid releasing agent.
Claims6
A toner comprising a resin, a colorant, and a releasing agent wherein said releasing agent is a low molecular weight polyolefin synthesized in the presence of a metallocene catalyst, a number average molecular weight Mn of said polyolefin being 2000 to 10,000, and a ratio Mw/Mn is 1.6 to 3.5, wherein Mw is a weight average molecular weight of said polyolefin.
Dependencies are inferred from the claim text.