Polyester production

C - Chemistry – Metallurgy – 08 – G

Patent

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402/197

C08G 63/54 (2006.01)

Patent

CA 1121941

ABSTRACT OF THE DISCLOSURE Thermosetting unsaturated polyesters produced from a mixture of glycols and oligomers. The mixture is a waste stream from a process for the production of linear polyesters from glycols and terephthalic acid. Prior to this invention, the waste stream had to be burned or buried but by the invention herein it can make useful polyester resins.

327551

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