Electrophotographic image forming method
US8843049B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2012 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Dec 7, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/6585
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming method including forming an image of a toner including a wax on a recording medium; fixing the toner image using by an oil-less fixing device; and then forming an overcoat layer on the fixed toner image. When a portion of the fixed toner image having the heaviest toner weight is subjected to an ATR FT-IR analysis, a peak area ratio Ab/Aa falls in a range of 3.0 to 7.0 or a peak area ratio Ab′/Aa′ falls in a range of 0.004 to 0.014, wherein Aa represents the area of a peak present in a range of 2896 cm−1 to 2943 cm−1, Ab represents the area of a peak present in a range of 2946 cm−1 to 2979 cm−1, Aa′ represents the area of a peak present in a range of 791 cm−1 to 860 cm−1, and Ab′ represents the area of a peak present in a range of 2834 cm−1 to 2862 cm−1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.