Inventor · disambiguated record
Anton Schoengen
Also filed as: SCHOENGEN ANTON
16 granted patents·253 citations·filing 1979–1998
93Inventor score
Top patents by PatentIndex Score
16 records- 0191US4269805AReactor for the oxidation of alkyl aromatics with oxygen-containing gases in the liquid phaseDYNAMIT NOBEL AG·Filed 1979·Granted May 26, 1981·110 cites·27 claims
- 0282US4302595AProcess for the preparation of terephthalic acid by the hydrolysis of intermediate stage crude dimethyl terephthalateDYNAMIT NOBEL AG·Filed 1979·Granted Nov 24, 1981·17 cites·8 claims
- 0377US4755295AMultistage arrangement for countercurrent separation and methods of operating sameAMBERGER KAOLINWERKE GMBH·Filed 1987·Granted Jul 5, 1988·16 cites·24 claims
- 0475US4642369AProcess for the production of dimethyl terephthalate from p-xylene and methanolDYNAMIT NOBEL AG·Filed 1985·Granted Feb 10, 1987·15 cites·8 claims
- 0574US5338882AProcess for the production of DMT-intermediate product of specific purity and pure terephthalic acidHUELS CHEMISCHE WERKE AG·Filed 1993·Granted Aug 16, 1994·14 cites·18 claims
- 0671US4707274AMultistage arrangement for countercurrent separation and methods of operating sameAMBERGER KAOLINWERKE GMBH·Filed 1986·Granted Nov 17, 1987·30 cites·14 claims
- 0756US5614159AProcess for the purification of an oxidation off gas with energy recoveryHUELS CHEMISCHE WERKE AG·Filed 1995·Granted Mar 25, 1997·24 cites·14 claims
- 0849US5679848AProcess for the preparation of terephthalic acid and its isomersHUELS CHEMISCHE WERKE AG·Filed 1996·Granted Oct 21, 1997·4 cites·20 claims
- 0949US5286896AProcess for the production of DMT-intermediate product of specific purityHUELS CHEMISCHE WERKE AG·Filed 1990·Granted Feb 15, 1994·4 cites·9 claims
- 1048US6180817B1Process for the distillation of crude ester in the DMT/PTA processHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Jan 30, 2001·3 cites·13 claims
- 1148US4642377AProcess for producing terephthalic acid from p-xylene and methanol by way of dimethyl terephthalateDYNAMIT NOBEL AG·Filed 1985·Granted Feb 10, 1987·4 cites·9 claims
- 1245US4578501APreparation of terephthalic acid from a crude dimethyl terephthalateDYNAMIT NOBEL AG·Filed 1980·Granted Mar 25, 1986·3 cites·4 claims
- 1344US5869736AOxidation in the Witten-Hercules process for preparing dimethyl terephthalateHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Feb 9, 1999·3 cites·15 claims
- 1436US5852201AProcess for the distillation of crude ester in the DMT/PTA processHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Dec 22, 1998·1 cites·4 claims
- 1532US5891410AProcess for the purification of an oxidation off gasHUELS CHEMISCHE WERKE AG·Filed 1991·Granted Apr 6, 1999·5 cites·15 claims
- 1631US6096171AProcess for the distillation of crude ester in the DMT/PTA processHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Aug 1, 2000·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Anton Schoengen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →