EC Erdolchemie GmbH
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 04, 2005 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 263 Total Citation Count
- Aug 22, 1979 Earliest Filing
- 29 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5969205 Process for preparing C.sub.4 --C.sub.6 --alkenes having an internal double bond comprising recycling a portion of a product streamAug 21, 98Oct 19, 99[C07C]
5789643 Process for oligomerizing I-butene comprising hydroisomerizing portion of condensate and recycling the hydroisomerate to fractionationOct 30, 97Aug 04, 98[C07C]
5141525 Process for producing high-octane, low-olefin motor fuels and motor fuel componentsApr 18, 91Aug 25, 92[C10L]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6951967 Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packingExpiredFeb 13, 03Oct 04, 05[C07C]
6087299 Silver-containing supported catalysts and catalyst intermediates, processes for their preparation and their useExpiredJan 26, 99Jul 11, 00[C07D, B01J]
6074982 Catalyst agent for etherifying, hydrogenating and isomerizing crude . C.sub4 -C.sub.8 - hydrocarbon mixtures having sulfur contentExpiredOct 20, 97Jun 13, 00[B01J]
5141732 Process for the removal of ammonium sulphate from tarrich waste streams from the production of (meth) acrylonitrileExpiredApr 04, 91Aug 25, 92[C01C]
5008466 Process for the isomerization of alkenes having a terminal double bond to give alkenes having an internal double bondExpiredApr 12, 89Apr 16, 91[C07C]
4950820 Process for the hydrogenation of olefinic hydrocarbons in hydrocarbon mixtures containing tert.-alkyl alkyl ethersExpiredJul 14, 86Aug 21, 90[C07C]
4856985 Device for feeding gases into combustion chambers and process for diminishing pollutants during combustion operationsExpiredSep 06, 88Aug 15, 89[F23D]
4804704 Crosslinked organic resins containing SiO.sub.2 and sulphonic acid groupsExpiredMar 10, 87Feb 14, 89[C08K]
4504688 Process for the preparation of pure alkyl tert-alkyl ethers and hydrocarbon raffinates which are largely free from isoolefins and from alkanolsExpiredMar 07, 84Mar 12, 85[C07C]
4503265 Process for the production of methyl tert.-butyl ether (MTBE) and of hydrocarbon raffinates substantially freed from i-butene and from methanolExpiredNov 18, 82Mar 05, 85[C07C]
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