Back to results
US 7,309,553 B2Granted
Oilless toner
AssigneeRicoh Company, Ltd.
InventorsKunihiko Tomita, Naoki Iwata
Life of this patent
Estimating the term…
Abstract
An oilless toner including at least (A) a cyclic olefin resin; (B) a resin having one or more carbon-carbon double bonds therein; and (C) a wax.
Claims12
A toner comprising:
- A) a cyclic olefin resin;
- B) a resin having one or more carbon-carbon double bonds contained therein;
- and
- C) a wax having a melt viscosity of from 1 to 10,000,000 c poise at 150° C.;
- wherein a weight ratio (B/C) of the resin (B) and the wax (C) is from 30/100 to 100/3;
- wherein the resin B) is cyclized polyisoprene or cyclized polybutadiene.
3 more elements
Dependencies are inferred from the claim text.