Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-12-26
2006-12-26
Harlan, Robert D. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S172000, C502S155000, C502S157000
Reexamination Certificate
active
07153916
ABSTRACT:
Catalyst for polymerization of an olefin is provided, which comprises (A) a transition metal compound having a carbon-metal bond structure and (B) an activating co-catalyst, or (A) a transition metal compound having a carbon-metal bond structure, (B) an activating cocatalyst and (C) an organometallic compound.
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U.S. Appl. No. 10/022,772, filed Dec. 20, 2001, pending.
U.S. Appl. No. 10/094,799, filed Mar. 12, 2002, pending.
Nagashima Hideo
Tanabiki Masao
Harlan Robert D.
Tosoh Corporation
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