Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2007-11-06
2007-11-06
Zemel, Irina S (Department: 1711)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S110100, C430S110400, C430S114000, C528S176000, C528S190000, C528S195000, C528S219000, C524S430000, C524S442000
Reexamination Certificate
active
10508901
ABSTRACT:
The present invention provides a toner binder for electrophotography which comprises a polyester resin constituted of an alcohol component containing a polyoxyalkylene ether (A) of a bisphenol and an acid component, and the content of unreacted bisphenols in said polyester resin is 15 ppm or less.
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European Search Report dated Sep. 22, 2006, issued in corresponding European Patent Application No. 03712924.4.
Sanyo Chemical Industries Ltd.
Westerman, Hattori, Daniels & Adrian , LLP.
Zemel Irina S
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