Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-04-10
2007-04-10
Choi, Ling-Sui (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S352000, C526S126000
Reexamination Certificate
active
10543980
ABSTRACT:
A process for polymerizing polyethylene with chromium-based catalysts wherein one or more supported chromium-based catalysts is mixed with mineral oil to form a slurry and the slurry is then introduced into a polymerization reactor, especially a gas-phase polymerization reactor.
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Breetz Karen E.
Cevallos-Candau Jose Fernando
Jorgensen Robert J.
Spriggs Thomas E.
Wright Dale A.
Choi Ling-Sui
Union Carbide Chemicals & Plastics Technology Corporation
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