Patents and licenses
Available patents of HGH
Serial number EP 0464046 from 16th February 1989
Process for the production of dimethyl terephthalate (DMT) and its by-products
China, Bulgaria, Germany, Italy, Poland, Romania, Turkey, Belarus
Serial number DE 197 37 956 from 30th August 1997
Process for the production of dimethyl terephthalic acid
Serial number DE 197 52 722 from 28th November 1997
Process for the production of dimethyl terephthalic acid
Serial number a20030686 from 4th July 2003
PTE/BME Fraction
Serial number 03 013 587.5-2103 from19th March 2004
PTE/BME Fraction
Serial number 03 012 956.3-2103 from 19th March 2004
Melt crystallization
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