Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having a halogen atom or oxygen single bonded...
Reexamination Certificate
2006-06-06
2006-06-06
Truong, Duc (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having a halogen atom or oxygen single bonded...
C528S377000, C528S423000, C528S425000, C428S690000, C428S917000
Reexamination Certificate
active
07057009
ABSTRACT:
Photonic materials include light-emitting organic oligomer compositions that include at least one light-emitting oligomer. The oligomer compositions include oligofluorenes having chiral and/or achiral pendants. The oligomer compositions also include spiro-linked oligofluorenes and fully spiro-configured terfluorenes. Methods for syntheisizing light-emitting organic oligomer compositions include preparing fluorene-based oligomers by convergent/divergent synthesis.
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Chen Shaw H.
Geng Yanhou
Truong Duc
University of Rochester
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