Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate
2007-11-20
2007-11-20
Zemel, Irina S (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
C521S087000, C525S398000, C525S472000, C528S230000, C528S247000, C528S265000
Reexamination Certificate
active
10960040
ABSTRACT:
Described is a radially multi-branched polymer represented by the following formula (I): ABi (I), which includes a central molecule (A) to which side-branches (B) are bonded in at least three positions (i≧3). Also described are methods for preparing a multi-branched polymer as well as a porous insulating film including a multi-branched polymer.
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Nrita et al., “Living Polymerization of methyl methacrylate by novel samarium based trifunctional initiator”, Polymer Bulletin, 45, 231-36, 2000.
Cheong Jae Ho
Choi Bum Gyu
Kang Dae Ho
Kang Gwi Gwon
Kang Jung Won
LG Chem Ltd.
Zemel Irina S
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