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Dirk Leinweber

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Publication

Featured researches published by Dirk Leinweber.

Catalysis Science & Technology | 2017

Non-ionic surfactants from renewables – amphiphilic ligands in biphasic reactions

Thiemo A. Faßbach; Fridolin O. Sommer; Arno Behr; Steffen Romanski; Dirk Leinweber; Andreas J. Vorholt

A key challenge in the synthesis of non-ionic surfactants is the opposite polarity of the substrates and the connected challenge of using homogeneous catalysis. We present the telomerisation of β-myrcene with N-methylglucamine to C20-N-alkylated polyols, which show surface activity. The use of aqueous solvent systems along with amphiphilic ligands bridges the polarity gap and generates high reactivities.

Archive | 2004

Alkoxylated dendrimers and use thereof as biodegradable demulsifiers

Dirk Leinweber; Michael Feustel; Elisabeth Wasmund; Heidi Rausch

Archive | 2003

Using alkoxylated dendritic polyesters as emulsion breakers, especially in crude oil recovery, are required in only small amounts and are biodegradable

Michael Feustel; Heidi Grundner; Dirk Leinweber; Elisabeth Wasmund

Archive | 2005

Demulsifiers for mixtures of middle distillates with fuel oils of vegetable or animal origin and water

Bettina Dr. Siggelkow; Werner Reimann; Dirk Leinweber; Ulrike Neuhaus; Renate Braun

Archive | 2007

Corrosion inhibitors having increased biodegradability and reduced toxicity

Dirk Leinweber; Michael Feustel

Archive | 2006

Polymers and their production and use as gas hydrate inhibitors

Dirk Leinweber; Michael Feustel

Archive | 2006

Use of Pyroglutamic Acid Esters as Gas Hydrate Inhibitors With Improved Biodegradability

Dirk Leinweber; Michael Feustel

Archive | 2004

Alkoxylated, cross-linked polyglycerols and use thereof as biodegradable demulsifier

Dirk Leinweber; Franz-Xaver Scherl; Elisabeth Wasmund; Heidi Rausch

Archive | 2002

Use of cardanol aldehyde resins as asphalt dispersants in crude oil

Dirk Leinweber; Michael Feustel; Elisabeth Wasmund; Heidi Grundner

Archive | 2006

Pyroglutamic acid esters with improved biodegradability

Michael Feustel; Dirk Leinweber

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Michael Feustel

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Elisabeth Wasmund

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Alexander Rösch

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Heidi Grundner

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Stefan Dilsky

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Werner Reimann

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Carsten Cohrs

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Steffen Romanski

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Hannah Benson

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Alexander Roesch

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