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Jurgen Stadelhofer
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Bad Soden, DE
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last 30 patents
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Patent Grant
Method for the production of modified pitches and the further appli...
Patent number
4,943,365
Issue date
Jul 24, 1990
Rutgerswerke AG
Winfried Boenigk
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for separation of phenols and bases from coal tar oils by ex...
Patent number
4,827,050
Issue date
May 2, 1989
Rutgerwerke Aktiengesellschaft
Siegfried Peter
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the catalytic dehydrogenation of piperidine
Patent number
4,523,016
Issue date
Jun 11, 1985
Rutgerswerke Aktiengesellschaft
Georg Grigoleit
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for dissolving coal in hydrocarbon mixtures
Patent number
4,430,193
Issue date
Feb 7, 1984
Rutgerswerke Aktiengesellschaft
Jurgen Stadelhofer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the production of hydrogenated aromatic compounds and t...
Patent number
4,427,526
Issue date
Jan 24, 1984
Rutgerswerke Aktiengesellschaft
Jurgen Stadelhofer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the preparation of highly aromatic pitchlike hydrocarbons
Patent number
4,415,429
Issue date
Nov 15, 1983
Rutgerswerke Aktiengesellschaft
Jurgen Stadelhofer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Coking quality of coals with insufficient coking properties
Patent number
4,380,454
Issue date
Apr 19, 1983
Rutgerswerke Aktiengesellschaft
Jurgen Stadelhofer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the production of high grade carbonaceous binders
Patent number
4,339,328
Issue date
Jul 13, 1982
Rutgerswerke Aktiengesellschaft
Jurgen Stadelhofer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the separation of quinoline-insoluble components from c...
Patent number
4,259,171
Issue date
Mar 31, 1981
Rutgerswerke Aktiengesellschaft
Jurgen Stadelhofer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...