Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate
2006-08-22
2006-08-22
Hightower, P. Hampton (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
C528S272000, C528S355000, C528S357000, C528S358000, C528S359000, C525S181000, C525S183000, C525S408000, C525S411000, C525S413000, C525S415000
Reexamination Certificate
active
07094864
ABSTRACT:
The present invention uses a reactor that combines devices having a special portion structure to solve the difficulty of uniform blending due to the reactants becoming highly viscous, the difficulty of heat removal, and the increase in pressure loss, thus leading to continuous production of a polyester-based polymer stably having excellent quality.
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Wagen Und Dosieren, Verlagsgesellschaft Keppler, vol. 29, No. 2, Mar. 1998, pp. 6-14.
Daicel Chemical Industries Ltd.
Hampton Hightower P.
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