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Featured researches published by Guenther Elfers.


Archive | 1992

Petroleum emulsion breakers

Guenther Elfers; Wilfried Sager; Hans-Henning Dr. Vogel; Knut Oppenlaender


Archive | 1992

Oil-demulsifiers based on an alkoxylate and preparation of this alkoxylate

Guenther Elfers; Wilfried Sager; Hans-Henning Dr. Vogel; Knut Oppenlaender


Archive | 1993

Use of trialkanolamine polyethers as demulsifiers for oil-in-water emulsions

Rolf Dr Fikentscher; Knut Oppenlaender; Johannes Peter Dr Dix; Wilfried Sager; Hans-Henning Dr. Vogel; Klaus Dr. Barthold; Guenther Elfers


Archive | 1991

Application of trialkanolaminpolyether as demulsifier for oil-in-water-emulsions

Rolf Dr Fikentscher; Knut Oppenlaender; Johannes Peter Dr Dix; Wilfried Sager; Hans-Henning Dr. Vogel; Klaus Dr. Barthold; Guenther Elfers


Archive | 1992

Reaction products of alkoxylates and vinyl monomers, process for their preparation and their use as demulsifiers for crude oil emulsions

Gerd Dr Konrad; Heinrich Dr. Hartmann; Guenther Elfers; Hans-Henning Dr. Vogel; Hans-Juergen Raubenheimer


Archive | 1990

Use of tri:alkanolamine polyether(s) as demulsifiers in o/w emulsions - obtainable by condensing tri:alkanol:amine(s) in presence of (hypo)phosphorous acid

Rolf Dr Fikentscher; Knut Oppenlaender; Johannes Peter Dr Dix; Wilfried Sager; Hans-Henning Dr. Vogel; Klaus Dr. Barthold; Guenther Elfers


Archive | 1991

Methods of demulsifying employing condensates as demulsifiers for oil-in water emulsions

Rolf Dr Fikentscher; Knut Oppenlaender; Johannes Peter Dr Dix; Wilfried Sager; Hans-Henning Dr. Vogel; Guenther Elfers


Archive | 1990

Use of alpha-alkene-acrylic-acid copolymer esters, for example 1-alkene-methacrylic-acid copolymers, to improve the flow properties of crude oils

Jacobo Dr. Zarate; Guenther Elfers; Rainer Dr. Betz; Hans-Juergen Raubenheimer; Walter Dr. Ziegler


Archive | 1992

Demulsifier based on an alkoxylate and process for the preparation of the alkoxylate

Guenther Elfers; Wilfried Sager; Hans-Henning Dr. Vogel; Knut Oppenlaender


Archive | 1982

APPLICATION OF AMINE-SULPHUR-DIOXIDE ADDUCTS AND SULFITOBETAINES AS BACTERICIDES AGAINST SULFATE REDUCING BACTERIA

Harry Distler; Rudi Widder; Klaus Dr. Barthold; Guenther Elfers

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