Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2006-08-01
2006-08-01
Truong, Duc (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C528S373000, C428S690000, C428S917000, C313S503000, C313S504000
Reexamination Certificate
active
07084231
ABSTRACT:
Disclosed are a polyarylene compound and polymers thereof, which can be used as core materials for an organic or polymeric electro-luminescence (EL) element or for other optical devices, a preparation method thereof, and an EL element using the same.
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Cho Hyun-Nam
Jung Sung Hyun
Park Seok Jin
Dickstein Shapiro Morin & Oshinsky LLP.
Korea Institute of Science and Technology
Truong Duc
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