Inventor
SCHOENGEN ANTON
DE16 patents
⚠️ This page may combine multiple inventors who share the name “SCHOENGEN ANTON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUELS CHEMISCHE WERKE AG
9 patentsUS5614159AMar 25, 1997
Process for the purification of an oxidation off gas with energy recovery
HUELS CHEMISCHE WERKE AG24 citations89
US5338882AAug 16, 1994
Process for the production of DMT-intermediate product of specific purity and pure terephthalic acid
HUELS CHEMISCHE WERKE AG14 citations69
US6180817B1Jan 30, 2001
Process for the distillation of crude ester in the DMT/PTA process
HUELS CHEMISCHE WERKE AG3 citations59
US5891410AApr 6, 1999
Process for the purification of an oxidation off gas
HUELS CHEMISCHE WERKE AG5 citations59
US5869736AFeb 9, 1999
Oxidation in the Witten-Hercules process for preparing dimethyl terephthalate
HUELS CHEMISCHE WERKE AG3 citations59
US5852201ADec 22, 1998
Process for the distillation of crude ester in the DMT/PTA process
HUELS CHEMISCHE WERKE AG1 citations59
US5286896AFeb 15, 1994
Process for the production of DMT-intermediate product of specific purity
HUELS CHEMISCHE WERKE AG4 citations58
US5679848AOct 21, 1997
Process for the preparation of terephthalic acid and its isomers
HUELS CHEMISCHE WERKE AG4 citations50
US6096171AAug 1, 2000
Process for the distillation of crude ester in the DMT/PTA process
HUELS CHEMISCHE WERKE AG0 citations48
DYNAMIT NOBEL AG
5 patentsUS4269805AMay 26, 1981
Reactor for the oxidation of alkyl aromatics with oxygen-containing gases in the liquid phase
DYNAMIT NOBEL AG110 citations92
US4302595ANov 24, 1981
Process for the preparation of terephthalic acid by the hydrolysis of intermediate stage crude dimethyl terephthalate
DYNAMIT NOBEL AG17 citations72
US4642369AFeb 10, 1987
Process for the production of dimethyl terephthalate from p-xylene and methanol
DYNAMIT NOBEL AG15 citations71
US4578501AMar 25, 1986
Preparation of terephthalic acid from a crude dimethyl terephthalate
DYNAMIT NOBEL AG3 citations61
US4642377AFeb 10, 1987
Process for producing terephthalic acid from p-xylene and methanol by way of dimethyl terephthalate
DYNAMIT NOBEL AG4 citations60