Inventor
DERLETH HELMUT
DE23 patents
⚠️ This page may combine multiple inventors who share the name “DERLETH HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SOLVAY
12 patentsUS5849852ADec 15, 1998
Support for catalysts, process for the manufacture of a precursor gel of a support for catalysts, catalyst for the polymerization of olefins and process for the polymerization of olefins by means of this catalyst
SOLVAY123 citations97
US4910354AMar 20, 1990
Process for the oxychlorination of ethylene and catalyst compositions for the oxychlorination
SOLVAY24 citations92
US5834572ANov 10, 1998
Process for the preparation of a support for catalysts, catalyst for the polymerization of olefins and process for the polymerization of olefins by means of this catalyst
SOLVAY28 citations91
US6803342B1Oct 12, 2004
Catalytic composition and process for the oxychlorination of ethylene using such a composition
SOLVAY16 citations81
US5726260AMar 10, 1998
Process for the production of a microspheroidal powder of low dispersity, microspheroidal powder of low dispersity thus obtained, catalysts for the polymerization of alpha-olefins and process for the polymerization of alpha-olefins
SOLVAY16 citations81
US5716898AFeb 10, 1998
Process for the production of a microspheroidal powder of low dispersity, microspheroidal powder of low dispersity thus obtained, catalysts for the polymerization of alpha-olefins and process for the polymerization of alpha-olefins
SOLVAY16 citations81
US5527754AJun 18, 1996
Catalytic composition and process for the oxychlorination of ethylene using such a composition
SOLVAY18 citations79
US6465382B1Oct 15, 2002
Process for producing spherical catalyst particles, catalyst particles and their use in a chemical synthesis
SOLVAY7 citations73
US5315051AMay 24, 1994
Process for the oxychlorination of ethylene and catalyst compositions for the oxychlorination
SOLVAY8 citations73
US6074980AJun 13, 2000
Process for the preparation of a support for catalysts, catalyst for the polymerization of olefins and process for the polymerization of olefins by means of this catalyst
SOLVAY5 citations72
US5296564AMar 22, 1994
Process for the polymerization of alpha-olefins
SOLVAY6 citations72
US5232883AAug 3, 1993
Process for obtaining monodisperse microspheroidal particles, microspheroidal silica particles of high specific surface, and catalysts supported on these particles
SOLVAY13 citations72
KALI CHEMIE AG
4 patentsUS4341663AJul 27, 1982
Process for the production of spherical shaped bodies based on Al2 O3 and optionally SiO2
KALI CHEMIE AG128 citations92
US4248847AFeb 3, 1981
Process for preparing a substantially crystalline sodium aluminosilicate
KALI CHEMIE AG23 citations75
US4098714AJul 4, 1978
Water softening materials
KALI CHEMIE AG7 citations64
US4601992AJul 22, 1986
Product and process for the production of granules of high mechanical strength and containing molecular sieve
KALI CHEMIE AG5 citations60
SOLVAY DEUTSCHLAND
3 patentsUS5736118AApr 7, 1998
Method of producing spherical particles
SOLVAY DEUTSCHLAND10 citations73
US6300468B1Oct 9, 2001
Process for producing porous polymer globules
SOLVAY DEUTSCHLAND14 citations72
US5676845AOct 14, 1997
Process for catalytic treatment of effluents containing organic and inorganic compounds, preferably from epichlorohydrin production
SOLVAY DEUTSCHLAND8 citations71