Process for providing improved electrical properties on a roll for use in electrophotography
US8171638B2 · kind B2 · utility
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18References
20Claims
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Key dates
| Filing date | Dec 22, 2008 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Nov 8, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49563
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method and system for producing rolls for electrophotography are provided. The rolls can be rotated and shifted laterally during an oxidative baking process to produce finished rolls having improved electrical and printing characteristics. The oxidation of the rolls may be controlled to provide a corresponding increase in surface electrical resistance to within plus or minus 25 microns of a selected roll thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.