Continuous process for producing poly(trimethylene terephthalate)
This invention relates to a continuous process for production of poly(trimethylene terephthalate), wherein gaseous 1,3-propanediol by product resulting from the process is condensed in a condenser, and a portion of the condensed by-product is recycled back into the process.
E. I. du Pont de Nemours and Company
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Y10T C08G C08G
additional inventional additional
Daniel Albert John Harvey Gene Emily A. Gary J. Robert E. Carl J.
Green Eng Parrish Blum Wilson Trotter Giardino