Assignee
ERDOELCHEMIE GMBH
DE·34 granted patents·455 citations·filing 1976–1999
Top patents by PatentIndex Score
34 records- 0191US4503265AProcess for the production of methyl tert.-butyl ether (MTBE) and of hydrocarbon raffinates substantially freed from i-butene and from methanolERDOELCHEMIE GMBH·Filed 1982·Granted Mar 5, 1985·30 cites·9 claims
- 0286US4330679AProcess for the preparation of alkyl tert.-alkyl ethersERDOELCHEMIE GMBH·Filed 1981·Granted May 18, 1982·24 cites·14 claims
- 0385US5008466AProcess for the isomerization of alkenes having a terminal double bond to give alkenes having an internal double bondERDOELCHEMIE GMBH·Filed 1989·Granted Apr 16, 1991·23 cites·20 claims
- 0484US4504688AProcess for the preparation of pure alkyl tert-alkyl ethers and hydrocarbon raffinates which are largely free from isoolefins and from alkanolsERDOELCHEMIE GMBH·Filed 1984·Granted Mar 12, 1985·19 cites·24 claims
- 0583US4377393AProcess for the preparation of a mixture consisting essentially of iso-butene oligomers and methyl tert.-butyl ether, its use, and fuels containing such mixtureERDOELCHEMIE GMBH·Filed 1980·Granted Mar 22, 1983·28 cites·11 claims
- 0679US4409421AProcess for the preparation of pure tert.-olefinsERDOELCHEMIE GMBH·Filed 1982·Granted Oct 11, 1983·16 cites·7 claims
- 0777US4059492AProcess for the purification of waste from acrylonitrile productionERDOELCHEMIE GMBH·Filed 1976·Granted Nov 22, 1977·18 cites·20 claims
- 0875US4712434ADevice for emission-free sampling of volatile liquidsERDOELCHEMIE GMBH·Filed 1986·Granted Dec 15, 1987·50 cites·10 claims
- 0974US4751343AProcess for the preparation of tertiary olefinsERDOELCHEMIE GMBH·Filed 1987·Granted Jun 14, 1988·12 cites·15 claims
- 1073US4400308ASilver-containing supported catalysts and catalyst intermediate products, processes for their preparation and their useERDOELCHEMIE GMBH·Filed 1981·Granted Aug 23, 1983·11 cites·28 claims
- 1172US5095164AProcess for cleaving alkyl tert.-alkyl ethersERDOELCHEMIE GMBH·Filed 1991·Granted Mar 10, 1992·13 cites·11 claims
- 1269US6087299ASilver-containing supported catalysts and catalyst intermediates, processes for their preparation and their useERDOELCHEMIE GMBH·Filed 1999·Granted Jul 11, 2000·40 cites·18 claims
- 1369US4328382AProcess for separating off olefins from gases containing olefinsERDOELCHEMIE GMBH·Filed 1980·Granted May 4, 1982·11 cites·23 claims
- 1468US5789643AProcess for oligomerizing I-butene comprising hydroisomerizing portion of condensate and recycling the hydroisomerate to fractionationERDOELCHEMIE GMBH·Filed 1997·Granted Aug 4, 1998·12 cites·11 claims
- 1567US5012031AProcess for the preparation of tert.-olefinsERDOELCHEMIE GMBH·Filed 1989·Granted Apr 30, 1991·9 cites·19 claims
- 1664US4655798AProcess for removing acetylene from a C2 -streamERDOELCHEMIE GMBH·Filed 1985·Granted Apr 7, 1987·12 cites·15 claims
- 1761US4960961AProcess for the preparation of tert.-amyl alcohol (TAA)ERDOELCHEMIE GMBH·Filed 1989·Granted Oct 2, 1990·8 cites·15 claims
- 1861US4405500AHalogen compound promoted Al2 O3 and/or SiO2 for the preparation of isoalkenesERDOELCHEMIE GMBH·Filed 1981·Granted Sep 20, 1983·15 cites·19 claims
- 1960US5141525AProcess for producing high-octane, low-olefin motor fuels and motor fuel componentsERDOELCHEMIE GMBH·Filed 1991·Granted Aug 25, 1992·8 cites·19 claims
- 2059US6175049B1Process for the production of 1, 2-butadieneERDOELCHEMIE GMBH·Filed 1999·Granted Jan 16, 2001·8 cites·20 claims
- 2157US4910046APaint resin and its use for powder coatingERDOELCHEMIE GMBH·Filed 1988·Granted Mar 20, 1990·12 cites·15 claims
- 2255US6264799B1Process for isolating cyclopentane and/or cyclopenteneERDOELCHEMIE GMBH·Filed 1999·Granted Jul 24, 2001·5 cites·6 claims
- 2355US5141732AProcess for the removal of ammonium sulphate from tarrich waste streams from the production of (meth) acrylonitrileERDOELCHEMIE GMBH·Filed 1991·Granted Aug 25, 1992·7 cites·9 claims
- 2451US4431528AProcess for the hydrogenation of hydrocarbonsERDOELCHEMIE GMBH·Filed 1982·Granted Feb 14, 1984·10 cites·20 claims
- 2548US5091093AProcess for purifying acrylonitrile effluentERDOELCHEMIE GMBH·Filed 1991·Granted Feb 25, 1992·14 cites·17 claims
- 2648US4083876AProcess for the preparation of thioglycolsERDOELCHEMIE GMBH·Filed 1976·Granted Apr 11, 1978·3 cites·12 claims
- 2747US4297512AProcess for the preparation of triethylamineERDOELCHEMIE GMBH·Filed 1979·Granted Oct 27, 1981·3 cites·14 claims
- 2842US5969205AProcess for preparing C4 --C6 --alkenes having an internal double bond comprising recycling a portion of a product streamERDOELCHEMIE GMBH·Filed 1998·Granted Oct 19, 1999·4 cites·11 claims
- 2937US5378668AProcess for reactivating ammoxidation catalystsERDOELCHEMIE GMBH·Filed 1993·Granted Jan 3, 1995·10 cites·10 claims
- 3037US4950820AProcess for the hydrogenation of olefinic hydrocarbons in hydrocarbon mixtures containing tert.-alkyl alkyl ethersERDOELCHEMIE GMBH·Filed 1986·Granted Aug 21, 1990·7 cites·17 claims
- 3133US4856985ADevice for feeding gases into combustion chambers and process for diminishing pollutants during combustion operationsERDOELCHEMIE GMBH·Filed 1988·Granted Aug 15, 1989·8 cites·6 claims
- 3232US4371725AProcess for the preparation of tertiary olefins and n-alkanolsERDOELCHEMIE GMBH·Filed 1981·Granted Feb 1, 1983·0 cites·12 claims
- 3330US4882393AIonomer-modified polyethylene as film materialERDOELCHEMIE GMBH·Filed 1988·Granted Nov 21, 1989·4 cites·3 claims
- 3426US4804704ACrosslinked organic resins containing SiO2 and sulphonic acid groupsERDOELCHEMIE GMBH·Filed 1987·Granted Feb 14, 1989·1 cites·9 claims
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