Clariant Produkte (deutschland) Gmbh

Clariant Corporation

Clariant International Ltd

Hoechst Aktiengesellschaft

Clariant Finance (bvi) Limited

Hoechst Gmbh

Dorf Ketal Energy Services LLC

Clariant Produkte Gmbh

Michael Feustel

Matthias Krull

Uwe Dahlmann

Dirk Leinweber

Peter Klug

Dennis Miller

Axel Vollmer

Christoph Kayser

Werner Reimann

Juliane Balzer

Alexander Roesch

Elisabeth Wasmund

Herbert Wirtz

Frank Holtrup

Wolfram Baumg&auml;rtner

Hans-J&ouml;rg Oschmann

Rainer Kupfer

Roman Morschhaeuser

John V Hobes

Carsten Cohrs

Heidi Rausch

Mario Loew

Bettina Siggelkow

Sigmar-Peter Von Halasz

Reinhard Vybiral

Michael Schaefer

Stefan Dilsky

Anton Kaiser

Michael Mörscher

Michael Schäfer

Utha Kentschke

Thomas Roy

Christopher Robin Collins

Maja Franjic

Ian James Tolliday

Victor Goncharov

Mike Saul

Ulrike Tepper

Erdmann Mielcke

Werner Ritschel, Deceased

Sebastian Haferkamp

Dieter Hoffmann

Rashod Smith

G&uuml;nther Hertel

Hakan Bystr&ouml;m

Geoffrey Richards

Michael Brauchle

Dominko Andrin

Ingo Greger

Mario Löw

Alexander Rösch

Michael Morscher

The invention relates to polymer compositions with improved manageability. The invention also relates to a polymer composition obtainable by radical polymerisation of A) 95-40 wt. % of a monomer mixture comprising Ai) 65-98 wt. % of at least alkyl (meth)acrylate having a linear C-Calkyl radical and Aii) 2-35 wt. % of at least one comonomer selected from (meth)acrylates and (meth)acrylamides, which supports an optionally substituted aromatic radical bonded via an alkylene, alkenylene, oxyalkylene or polyoxyalkylene group to the ester group of the (meth)acrylate or to the amide group of the (meth)acrylamide, in the presence of B) 5-60% by weight % of at least one ethylene copolymer. The invention further relates to a method for the preparation and use thereof as flow improvers for paraffin-containing hydrocarbon oils.

Polymer compositions and use thereof as pour point depressants in paraffin-containing hydrocarbon oils

The present invention provides for the use of at least one oil soluble polymer comprising linear polymethylene sequences with an average of 10 to 40 consecutive methylene groups to improve the water resistance of an explosive composition comprising particulate ammonium nitrate and a fuel oil, said linear polymethylene sequences with in average 10 to 40 consecutive methylene groups may be either in the main chain or in the side chains of the oil soluble polymer.

Water resistance additive for particulate ammonium nitrate-fuel oil (ANFO) explosives

This invention provides a wax inhibitor composition comprising

Wax inhibitors with improved flowability

The invention provides dispersions comprising

Dispersions of polymeric oil additives

This invention relates a wax inhibitor for hydrocarbon oils comprising an esterified copolymer having repeating structural units derived from an esterified ethylenically unsaturated dicarboxylic acid and &#x3b1;-olefins having at least 18 carbon atoms, whereof at least 3 mol-% of the &#x3b1;-olefins have 30 or more carbon atoms, and wherein the ethylenically unsaturated dicarboxylic acid has been esterified with a mixture of alcohols comprising

Polymeric pour point depressants for waxy crude oils

This invention relates to a fuel oil composition, containing a low-sulfur marine diesel having a sulfur content of less than 1 wt. % and (A) at least one ethylene copolymer and (B) at least one comb polymer.

Additives for low-sulfur marine diesel

The invention relates to a polymer composition that can be obtained by means of the free radical polymerisation of A) 95-40 wt. % of alkyl (meth)acrylate containing Ai) 20-95 wt. % of at least one alkyl (meth)acrylate with 16 to 40 C-atoms in the alcohol group, and Aii) 5-80 wt. % of at least one (meth)acrylic acid ester of a C-Calcohol carrying a C-Calkyl group in the 2-position relative to the hydroxyl group, in the presence of B) 5-60 wt. % ethylene copolymer. The invention also relates to a method for producing same and to the use of same as a flow improver for mineral oils and mineral oil distillates.

Polymer compositions allowing easier handling

A pyroglutamic acid ester of formula (1) in which A represents a Cto Calkylene group; x represents a number from 1 to 100; R' represents an aliphatic, cycloaliphatic or aromatic radical that contains at least one structural unit of formula 2, and; y represents a number from 1 to 100. The use of these pyroglutamic acid esters in quantities of 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases that are connected to a gaseous, liquid or solid organic phase. 

Pyroglutamic acid esters with improved biodegradability

The subject of the invention is a method for determining the HS content arising during the warm storage of sulfur-containing crude and residual oils and mineral distillates containing sulfur-containing crude and/or residual oils, in which a sample of the sulfur-containing mineral oil is dissolved in a solvent or solvent mixture that boils at more than 200&#xb0; C. and a carrier gas is caused to flow through the solution of the sulfur-containing mineral oil at temperatures above 80&#xb0; C., and the quantity of hydrogen sulfide carried out with the carrier gas is analyzed quantitatively.

Method for determining the content of hydrogen sulfide in crude and residual oils

A method for preventing the formation of gas hydrates in an aqueous phase by adding esters of pyroglutamic acid in the quantities of from 0.01 to 2% by weight. The esters of pyroglutamic acid produced by esterifying at least one alcohols, comprising from 1 to 100 hydroxyl groups with pyroglutamic acid and/or glutamic acid, wherein the alcohol has no more than one ester group or no more than one carboxylic acid group.

Use of pyroglutamic acid esters as gas hydrate inhibitors with improved biodegradability

The invention provides for the use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters, preparable by esterifying alcohols having from 1 to 100 hydroxyl groups with 1-alkyl-5-oxopyrrolidine-3-carboxylic acid, in amounts of from 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases which are in contact with a gaseous, liquid or solid organic phase.

Use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters as gas hydrate inhibitors with improved biodegradability

The invention relates to dispersions comprising I) at least one polymer that is effective for mineral oils as a cold extrusion improver and is soluble in oil, II) at least one organic solvent that cannot be mixed with water, III) water, IV) at least one alkanolamine salt of a polycyclic carboxylic acid as a dispersing agent, and V) possibly at least one organic solvent that can be mixed with water.

Dispersions of polymer oil additives

The invention relates to the use of salts of compound of the formula (1) and amines of the formula (2), where R1 means C- to C-Alkyl or C- to C-Alkenyl, R2 means hydrogen or a group of the formula -(A-O)&#x2014;H, R3, R4 mean hydrogen, C- to C-Alkyl or a group of the formula -(A-O)&#x2014;H, A means C- to C-Alkylene, and x means a number from 1 to 10, as water-soluble or water-dispersible corrosion inhibitors.

Corrosion inhibitors having increased biological degradability and minimized toxicity

The invention thus provides crude oils and products which have been produced therefrom and comprise distillation residues, comprising at least one alkylphenol-aldehyde resin having a repeat structural unit of the formula where

Additives for crude oils

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Koengernheim, Germany

Michael Feustel