Compositions – Electrically conductive or emissive compositions
Reexamination Certificate
2011-03-08
2011-03-08
Silverman, Stanley (Department: 1751)
Compositions
Electrically conductive or emissive compositions
C252S301350, C252S301360, C252S700000, C257S040000, C313S504000, C313S505000, C428S690000, C428S917000, C438S099000, C568S058000, C568S632000, C568S633000, C568S634000, C570S183000, C564S387000, C564S426000, C585S320000, C585S322000, C585S324000, C585S026000, C552S208000, C552S268000, C552S271000
Reexamination Certificate
active
07901594
ABSTRACT:
The present invention relates to polyacene derivatives represented by general formula (I) below:(wherein R1to R10, etc. each represents hydrogen atom, hydrocarbon group, or an alkoxy group; A1and A2are hydrogen atom, a halogen atom, a hydrocarbon group, an alkoxy group, cyano group, etc.; n is an integer of not less than 1; R6and R7may be linked to each other to form a ring); and a process for preparing the polyacene derivatives from polyhydro compounds as well as electrically conductive materials comprising the polyacene derivatives. According to the process for preparing the polyacene derivatives of the present invention, optional substituents can be introduced into any carbon atoms of the polyacene, and the number of aromatic rings can be increased.
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Foley & Lardner LLP
Japan Science and Technology Corporation
Silverman Stanley
Vijayakumar Kallambella
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