Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2007-02-27
2007-02-27
Page, Thurman K. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
Reexamination Certificate
active
11190856
ABSTRACT:
The present invention relates to triphenylene compounds useful, for example, in an electrophotographic photoreceptor, and to a method for manufacturing these compounds.
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Shimada Tomoyuki
Tanaka Yuuji
Page Thurman K.
Puttlitz Karl J.
Ricoh & Company, Ltd.
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