Developer roller with semiconductive additive comprising a rubber body containing soyadimethylethyl-ammonium ethosulfate or (3-lauramidopropyl)trimethylammonium-methylsulfate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 21, 1992
Grant Date -
N/A
app pub date -
May 25, 1990
filing date -
May 25, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rubber developer roller having a quaternary ammonium material as an antistatic agent to achieve an approximately one order of magnitude increase in the level of conductivity. This provides consistent printing over a range of temperatures of operation, particularly at start-up when the printer has not reached its designed operating temperature, and over a range of environmental conditions. This roller also permits the increase of print speed.
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