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Dive into the research topics where Derleth Helmut is active.

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Featured researches published by Derleth Helmut.


Archive | 1991

Catalytic composition for oxychlorination and process for the oxychlorination of ethylene using such a composition

Derleth Helmut; Strebelle Michel


Archive | 1997

METHOD OF REMOVING OXYGEN, NITRITES AND/OR NITRATES FROM WATER

Bonse Dirk; Brehm Axel; Bretz Karl-Heinz; Derleth Helmut; Darda Bettina; Koch Veronika; Sell Michael


Archive | 1993

Palladium and rhodium or copper catalyst impregnated in alumina carrier - for separating nitrites and/or nitrates from water, and having abrasion resistance

Bonse Dirk; Bretz Karl-Heinz; Derleth Helmut; Sell Michael


Archive | 2000

Catalyst support, method for prepn. of same, olefin polymerization catalyst and the polymerization process using same

Derleth Helmut; Koch Benoit; Rulmont Andre; Wijzen Fabienne


Archive | 1993

Sorption von organischen Verbindungen aus Gasen

Bretz Karl-Heinz; Fuhrmann Kirsten; Hoffmeister Michael; Engelmann Peter; Meyer-Anderson Andreas; Schultz Egon; Wischnat Alf-Eric; Derleth Helmut; Schwetje Norbert


Archive | 1999

VERFAHREN ZUR KATALYTISCHEN BEHANDLUNG VON ORGANISCHE UND ANORGANISCHE VERBINDUNGEN ENTHALTENDEN ABWÄSSERN

Derleth Helmut; Bretz Karl-Heinz; Neuenfeldt Gerhard; Ottmann Alfred; Schindler Hubert


Archive | 1993

PROCESS FOR THE PRODUCTION OF A MICROSPHEROIDAL POWDER OF LOW DISPERSITY

Derleth Helmut; Grosjean Abel


Archive | 1997

VERFAHREN ZUR ENTFERNUNG DES SAUERSTOFF-, NITRIT- UND/ODER NITRATGEHALTES IN WASSER

Bonse Dirk; Brehm Axel; Bretz Karl-Heinz; Derleth Helmut; Darda Bettina; Koch Veronika; Sell Michael


Archive | 1996

METHOD OF CATALYTICALLY TREATING WASTE WATER CONTAINING ORGANIC AND INORGANIC COMPOUNDS

Derleth Helmut; Bretz Karl-Heinz; Neuenfeldt Gerhard; Ottmann Alfred; Schindler Hubert


Archive | 1994

SUPPORT POUR CATALYSEURS, PROCEDE POUR LA FABRICATION D'UN GEL PRECURSEUR D'UN SUPPORT POUR CATALYSEURS, PROCEDE DE PREPARATION D'UN SUPPORT POUR CATALYSEURS, CATALYSEUR POUR LA POLYMERISATION D'OLEFINES ET PROCEDE POUR LA POLYMERISATION D'OLEFINES AU MOYEN DE CE CATALYSEUR.

Derleth Helmut; Koch Benoit; Rulmont Andre; Wijzen Fabienne

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