Dimethyl terephthalate composition and process for producing...

Details Dimethyl terephthalate composition and process for producing... Dimethyl terephthalate composition and process for producing...

2006-07-18

2006-07-18

Szekely, Peter (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

C528S306000, C528S496000, C560S076000, C560S078000

Reexamination Certificate

active

07078440

ABSTRACT:
A dimethyl terephthalate composition includes 0.001 to 200 ppm of methyl 4-(1,3-dioxolan-2-yl)benzoate and 0 to 1 ppm of dimethyl hydroxyterephthalate contained in dimethyl terephthalate, and exhibits improved properties as a material for producing polyester.

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