Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2005-11-08
2005-11-08
Cheung, William K. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S335000, C526S337000, C526S346000, C526S347000
Reexamination Certificate
active
06962960
ABSTRACT:
A method and apparatus are disclosed for purifying copolymer compounds having monovinyl aromatic blocks and conjugated diene blocks by reducing the residual monomer content of the finished polymer. The method and apparatus includes a combination of heat exchangers and devolatilizers used in conjunction with a copolymerization reactor system.
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“Falling-Strand Devolatilization,” Robert H.M. Simon, Polymer Devolatilization, edited by Ramon J. Abalalak, Marcel Dekker, Inc., NY, NY 1996.
Polymer Devolatilization, pp. 1-12, edited by Ramon J. Albalak, Marcel Dekker, Inc., NY, NY 1996.
Berti Douglas A.
Daumerie Michel
Griffith Aron T.
Sosa Jose
Cheung William K.
Fina Technology, Inc.
Krueger Tenley R.
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