Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2004-11-30
2008-03-18
Lu, Caixia (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S160000, C526S129000, C526S352000, C502S103000, C502S120000, C502S152000
Reexamination Certificate
active
07345119
ABSTRACT:
An olefin polymerization solid catalyst including a reaction product of a transition metal compound and an organoaluminum compound carried on a support having silica treated with an organoaluminum-oxy compound.
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Hayashida Yoshihisa
Iida Masashi
Iijima Minoru
Takemori Toshifumi
Lu Caixia
Maruzen Petrochemical Company, Limited
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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