Clariant Corporation

Clariant Produkte (deutschland) Gmbh

Hoechst Aktiengesellschaft

Clariant Finance (bvi) Limited

Clariant International Ltd

Clariant Produkte Gmbh

Werner Reimann

Matthias Krull

Bettina Siggelkow

Gerhard Bettermann

Markus Kupetz

Michael Feustel

Wilhelm Zoller

Ulrike Neuhaus

Dirk Leinweber

John V Hobes

Juliane Balzer

Robert Janssen

Renate Braun

Thomas Volkmer

Heinz Dieter B&uuml;hnen

Curd-Werner Adams

Martin Hille

Wolfgang Payer

Frank Weinelt

Heinz Wittkus

Sigmar-Peter Von Halasz

Raimund Wildfang

Stefan Dilsky

Waltraud Nagel

Di Heinz Dieter Bühnen

Sabine Goetzke

Andre Graf

Horst Geiss

Ulrike Tepper

Mathias Krull

Bettine Siggelkow

The present invention relates to cooling additives for middle distillates, containing A) at least one polyester of formula (A1) wherein one of the radicals Rto Rrepresents a linear C-Calkyl or alkenyl radical and the remainder of the radicals Rto Rrepresent, independently of one another, hydrogen or an alkyl radical having 1 to 3 C atoms, Ris a C&#x2014;C bond or an alkylene radical having 1 to 6 C atoms, Ris a hydrocarbon group having 2 to 10 carbon atoms, n is an integer from 1 to 100, m is an integer from 3 to 250, p is 0 or 1, and q is 0 or 1, B) at least one copolymer of ethylene and of at least one ethylenically unsaturated ester, the copolymer having a melt viscosity, measured at 140 DEG C., of at most 5000 mPas, and C) at least one organic solvent. 

Multifunctional cooling additives for middle distillates, having an improved flow capability

The invention provides terpolymers of ethylene, at least one ethylenically unsaturated ester and propene, which

Additives for improving the cold properties of fuel oils

The invention provides additive mixtures comprising

The invention thus provides terpolymers of ethylene, at least one ethylenically unsaturated ester and propene, which have

The invention relates to the use of at least one oil-soluble compound B) which acts as a nucleating agent for paraffin crystallization and which is selected from substantially linear hydrocarbons with at least 22 C atoms, for improving the response of cold flow improvers for mineral oils C) in middle distillates that contain at least one ashless, nitrogenous detergent additive A), which is an oil-soluble, amphiphilic compound that comprises at least one alkyl or alkenyl group bound to a polar group, said alkyl or alkenyl group having 10 to 500 C atoms and the polar group having 2 or more nitrogen atoms.

Detergent additive-containing mineral oils having improved cold flow properties

Mineral oil distillates having an aromatics content of less than 21% by weight, a water content of less than 150 ppm and a conductivity of at least 50 pS/m, and comprising from 0.1 to 200 ppm of at least one alkylphenol-aldehyde resin (constituent I) which includes a structural element of the formula in which Ris C-C-alkyl or C-C-alkenyl, O&#x2014;Ror O&#x2014;C(O)&#x2014;R, Ris C-C-alkyl or C-C-alkenyl and n is from 2 to 100, and from 0.1 to 200 ppm of at least one polar oil-soluble nitrogen compound (constituent II), excluding those mineral oil distillates in which between 0.001 and 10 ppm of an oil-soluble, organic sulfonic acid-ammonium salt are present.

Mineral oils with improved conductivity and cold flowability

The invention provides for the use of at least one oil-soluble polyoxyalkylene compound, this polyoxyalkylene compound being an oil-soluble ester, ether or ether/ester of alkoxylated polyols having at least three repeat alkoxy units derived from alkylene oxides having from 2 to 5 carbon atoms per OH group of the polyol which bears at least two aliphatic hydrocarbon radicals having from 12 to 30 carbon atomsfor improving the response behavior of mineral oil cold flow improvers in middle distillates which comprise at least one ashless, nitrogen-containing detergent additivewhich is an oil-soluble amphiphilic compound which comprises at least one alkyl or alkenyl radical which is bonded to a polar group, the alkyl or alkenyl radical comprising from 10 to 500 carbon atoms and the polar group comprising 2 or more nitrogen atoms.

Mineral oils which comprise detergent additives and have improved cold flowability

The present invention provides a continuous process for preparing additive mixtures for mineral oils and mineral oil distillates, comprising

Preparation of additive mixtures for mineral oils and mineral oil distillates

The invention provides fuel oils comprising a major proportion of a mixture of

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

The invention provides mineral oil distillates having a water content of less than 150 ppm and a conductivity of at least 50 pS/m, which comprise from 0.1 to 200 ppm of at least one alkylphenol-aldehyde resin and from 0.1 to 200 ppm of at least one nitrogen-containing polymer.

The present invention relates to the preparation of &#x3a9;-(dimethylisopropenylbenzylurethane) polyalkylene glycols with &#x3b1;-alkoxy or &#x3b1;-dihydroxy groups and to the use thereof as hydrolysis-stable macromonomers for the dispersion and crosslinking of polymers in which, A is C-C-alkylene, m is an integer from 5 to 900, and R is C-C-alkyl, C-C-aryl or a radical according to formula 2a, 2b, 2c, 3a, 3b or 3c which is bonded to the terminal oxygen atom of the alkoxy group (A-O) in formula 1 via the valence denoted by *, and in which A is not exclusively C- or C-alkylene.

The invention relates to low-temperature-stabilized additives for fuel oils having a sulfur content of up 0.05% by weight, comprising fatty acid mixtures of

Fuel oils having improved lubricity comprising mixtures of fatty acids with paraffin dispersants, and a lubrication-improving additive

The invention relates to additives for improving cold-flow and lubricating properties of fuel oils, comprising 

Multifunctional additive for fuel oils

Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates. The invention relates to a process for the preparation of terpolymers of ethylene and at least 2 further olefinically unsaturated compounds by polymerization in a tubular reactor fitted with at least one side branch, wherein the fresh monomer components, which are introduced into the tubular reactor via the reactor inlet (the primary stream) or via the side branch or side branches (secondary stream or secondary streams), in each of the streams contain ethylene and at most one further olefinically unsaturated compound.

Growing community of inventors

Frankfurt-am-Main, Germany

Werner Reimann