Swirling fluidized-bed reactors for olefin polymerization

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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C526S064000, C526S901000

Reexamination Certificate

active

07446156

ABSTRACT:
A method for polymerizing olefins in a fluidized-bed reactor is provided. The method involves introducing a fluid into the fluidized-bed reactor at an angle and amount sufficient to induce one or more swirls in the fluidized bed in the reactor.

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C. Chyang et al., “A Study in the Swirling Fluidizing Pattern,”J. Chem. Eng. Japan, (2002), pp. 503-512, vol. 35, No. 6.

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