Inventor · disambiguated record
Helmut Derleth
Also filed as: DERLETH HELMUT
22 granted patents·431 citations·filing 1976–1998
96Inventor score
Files withSOLVAY11KALI CHEMIE AG4SOLVAY DEUTSCHLAND3ENGELHARD PROCESS CHEM GMBH1SOLVAY CATALYSTS GMBH1
Top patents by PatentIndex Score
22 records- 0196US4341663AProcess for the production of spherical shaped bodies based on Al2 O3 and optionally SiO2KALI CHEMIE AG·Filed 1980·Granted Jul 27, 1982·128 cites·21 claims
- 0274US6803342B1Catalytic composition and process for the oxychlorination of ethylene using such a compositionSOLVAY·Filed 1996·Granted Oct 12, 2004·16 cites·14 claims
- 0374US5834572AProcess 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 catalystSOLVAY·Filed 1994·Granted Nov 10, 1998·28 cites·12 claims
- 0474US4910354AProcess for the oxychlorination of ethylene and catalyst compositions for the oxychlorinationSOLVAY·Filed 1987·Granted Mar 20, 1990·24 cites·4 claims
- 0573US4248847AProcess for preparing a substantially crystalline sodium aluminosilicateKALI CHEMIE AG·Filed 1978·Granted Feb 3, 1981·23 cites·10 claims
- 0670US5315051AProcess for the oxychlorination of ethylene and catalyst compositions for the oxychlorinationSOLVAY·Filed 1989·Granted May 24, 1994·8 cites·14 claims
- 0763US5507956AAbrasion-resistant carrier catalystSOLVAY UNWELTCHEMIE GMBH·Filed 1993·Granted Apr 16, 1996·30 cites·21 claims
- 0858US5716898AProcess 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-olefinsSOLVAY·Filed 1993·Granted Feb 10, 1998·16 cites·43 claims
- 0958US5527754ACatalytic composition and process for the oxychlorination of ethylene using such a compositionSOLVAY·Filed 1994·Granted Jun 18, 1996·18 cites·12 claims
- 1057US5421860ASorption of organic compounds from fluidsENGELHARD PROCESS CHEM GMBH·Filed 1993·Granted Jun 6, 1995·25 cites·15 claims
- 1156US5726260AProcess 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-olefinsSOLVAY·Filed 1995·Granted Mar 10, 1998·16 cites·4 claims
- 1254US5232883AProcess for obtaining monodisperse microspheroidal particles, microspheroidal silica particles of high specific surface, and catalysts supported on these particlesSOLVAY·Filed 1992·Granted Aug 3, 1993·13 cites·17 claims
- 1350US6300468B1Process for producing porous polymer globulesSOLVAY DEUTSCHLAND·Filed 1997·Granted Oct 9, 2001·14 cites·13 claims
- 1449US5736118AMethod of producing spherical particlesSOLVAY DEUTSCHLAND·Filed 1994·Granted Apr 7, 1998·10 cites·14 claims
- 1549US5676845AProcess for catalytic treatment of effluents containing organic and inorganic compounds, preferably from epichlorohydrin productionSOLVAY DEUTSCHLAND·Filed 1994·Granted Oct 14, 1997·8 cites·17 claims
- 1648US5468558AProcess for preparing fracture-resistant sol/gel particlesSOLVAY CATALYSTS GMBH·Filed 1993·Granted Nov 21, 1995·13 cites·10 claims
- 1746US5518979AAbrasion-resistant catalyst carrier formed of transition aluminasSOLVAY UMWELTCHEMIE GMBH·Filed 1993·Granted May 21, 1996·11 cites·14 claims
- 1841US6465382B1Process for producing spherical catalyst particles, catalyst particles and their use in a chemical synthesisSOLVAY·Filed 1998·Granted Oct 15, 2002·7 cites·12 claims
- 1940US5296564AProcess for the polymerization of alpha-olefinsSOLVAY·Filed 1992·Granted Mar 22, 1994·6 cites·17 claims
- 2038US6074980AProcess 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 catalystSOLVAY·Filed 1998·Granted Jun 13, 2000·5 cites·7 claims
- 2138US4601992AProduct and process for the production of granules of high mechanical strength and containing molecular sieveKALI CHEMIE AG·Filed 1984·Granted Jul 22, 1986·5 cites·22 claims
- 2237US4098714AWater softening materialsKALI CHEMIE AG·Filed 1976·Granted Jul 4, 1978·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →