Basf Se Corporation

The Procter Gamble Company

Basf Aktiengesellschaft

Wintershall Holding Gmbh

Stefan Frenzel

Dieter Hannu Boeckh

Ivette Garcia Castro

Maria Heuken

Kai Gumlich

Sophia Ebert

Andrea Misske

Karin Neubecker

Frank Hulskotter

Volker Schwendemann

Martin Wendker

Anna Maria Mueller-Cristadoro

Mark Robert Sivik

Rajan Keshav Panandiker

Bernard William Kluesener

Christian Bittner

Denis Alfred Gonzales

Robert Richard Dykstra

Karl Siemensmeyer

Yousef Georges Aouad

Ulrich Steinbrenner

Edward Bohres

Frank Huelskoetter

Ellen Schmidt Baker

Ekkehard Jahns

Son Nguyen Kim

Friedrich Linhart

Wolfgang Schrof

Frank Funke

Nicholas David Vetter

Dieter Faul

Ulf Baus

James Lee Danziger

Norbert Mahr

Hubert Meixner

Glenn Thomas Jordan, Iv

Claudia Wood

Ulrich Karl

Stefan Tiekoetter

Cornelius Wolf

Szilard Csihony

Lois Sara Gallon

Andre Chieffi

Kemal Vatansever Catalan

Fabrizio Meli

Anton Negele

Bernhard Vath

Martin R&uuml;benacker

Ulrich Annen

Andre Bertram

Michael Gotsche

Mohsen Ajdari Rad

J&uuml;rgen Decker

Cordula Mock-Knoblauch

Patrick Amrhein

Walter Bertkau

Radoslaw Kierat

Holger Schöpke

Rouven Konrad

Wilfried Sager

Marc Leduc

Iris Bogaerts

Christof Möck

Hartmut Leininger

Xiao Fu

Jennifer Anne Jackson

Adam Blanazs

Andreas Eichhorn

Tanja Schneider

Felix Alexander Westerhaus

Ellen Krueger

Karl Häberle

Uwe Ossmer

Vicente Santamarina

Bernd Dirks

Judith Christine Braeuer

Thierry Blum

Matthias Fies

Claus Boettcher

Jennifer Jackson

Rebecca Louise Selway

Nathalia Lebedev

Heinz Heissler

Heinrich Ullrich

Tina Noack

Ellen Krüger

Maria Socher

James Danziger

Judith Braeuer

Azar Shahidizenouz

Jörg Kinnius

Stephan Hatscher

Claus BÖTTCHER

Steffen Gibs

The invention relates to a method for the preparation of a hyperbranched polyester mixture obtainable by reacting a hydroxyl group containing carboxylic acid (B) with at least one carboxylic acid group and at least two hydroxyl groups with a diol (C) having a molecular weight of more than 100 g/mol, optionally in the presence of at least one further reactant, wherein the at least one further reactant is a polyol (A) having at least three hydroxyl groups under a reaction condition allowing ester and ether formation; and reacting the mixture resulting from step (a) with a hydrophobic carboxylic acid (D) resulting in the hyperbranched polyester mixture. The invention further relates to said hyperbranched polyester mixture and the use as wax inhibitor, as pour point depressant, as lubricant or in lubricating oils.

Hyperbranched polyesters and their use as wax inhibitor, as pour point depressant, as lubricant or in lubricating oils

Use of hydrophobically modified polyalkanolamines obtainable by condensing at least one trialkanolamine and optionally further condensable monomers and reacting at least one of the terminal OH groups with suitable reactants capable of reacting with OH groups and comprising long chain hydrocarbon groups as wax inhibitor, pour point depressant and additive for lubricants.

Use of hydrophobically modified polyalkanolamines as wax inhibitors, pour point depressant and additive for lubricants

Copolymers comprising Cto Colefins and at least two different olefindicarboxylic esters and optionally maleic acid or maleic acid derivatives. The olefindicarboxylic esters are firstly esters with linear C- to C-alkyl groups and secondly esters with short-chain linear, branched or cyclic alkyl groups, or esters with aromatic groups. The invention further relates to a process for preparing copolymers of this kind and to the use thereof as pour point depressant for crude oil, mineral oil and/or mineral oil products, preferably as pour point depressant for crude oil.

Copolymers comprising a-olefins and olefin dicarboxylic acid esters, production thereof, and use thereof as pour point depressants for crude oils, mineral oils, or mineral oil products

The invention relates to aqueous polymer dispersions comprising at least one polymer obtainable by the reaction of at least one monomer M1 of the general formula HC&#x2550;CH&#x2014;C(O)OR (I), wherein R is an unbranched alkyl chain comprising from 18 to 22 carbon atoms, and optionally at least one monomer M2. The invention relates moreover to a method for the preparing of such aqueous polymer dispersion and the use thereof as pour point depressant for crude oil, petroleum, and petroleum products.

Aqueous polymer dispersions, a method for their preparation and the use thereof as pour-point depressants for crude oil, petroleum, and petroleum products

Copolymers comprising ethylene, vinyl esters, in particular vinyl acetate and esters of (meth)acrylic acid, selected from esters comprising branched alkyl, cyclic alkyl or optionally alkyl substituted aryl moieties and having a weight average molecular weight of 35,000 g/mol to 120,000 g/mol, formulations of such copolymers in organic solvents and their use as pour point depressant, wax inhibitor and flow enhancer for crude oils.

Copolymers comprising ethylene vinyl esters and esters of (meth)acrylic acid, their formulations and use as pour point depressant, wax inhibitor and flow enhancer for crude oils

Polymeric compositions obtainable by free-radical polymerization of at least two different alkyl (meth)acrylates in the presence of at least one ethylene-vinyl ester copolymer, the alkyl (meth)acrylates used being a mixture comprising alkyl (meth)acrylates having linear C- to C-alkyl radicals and different alkyl (meth)acrylates having linear C- to C-alkyl radicals and/or branched C- to C-alkyl radicals and/or cyclic C- to C-alkyl radicals. The use of such polymeric compositions as pour point depressants for crude oils, mineral oils or mineral oil products.

Polymeric compositions as pour point depressants for crude oils

Copolymers comprising ethylene, vinyl esters, in particular vinyl acetate and esters of (meth)acrylic acid, selected from esters comprising branched alkyl, cyclic alkyl or optionally alkyl substituted aryl moieties and having a weight average molecular weight of 35,000 g/mol to 150,000 g/mol, formulations of such copolymers in organic solvents and their use as pour point depressant, wax inhibitor and flow enhancer for crude oils.

Copolymers comprising ethylene, vinyl esters and esters of (meth)acrylic acid, their formulations and use as pour point depressant, wax inhibitor and flow enhancer for crude oils

Polymeric compositions composed of ethylene-vinyl ester copolymers alkyl (meth)acrylates, processes for production thereof and use thereof as pour point depressants for crude oils, mineral oils or mineral oil products

The present invention relates to a process for the alkoxylation of a first polymer comprising at least one monomer unit having NH groups and optionally NHgroups, wherein the first polymer has a molecular weight Mof at least 500 g/mol, comprising the steps of (a) reacting the first polymer with alkylene oxide in a reaction mixture comprising a solvent until the average degree of alkoxylation of each NH group and each optional NHgroup, calculated as two NH groups, is from 0.75 to 1.25; (b) adding a second polymer of formula (I), wherein R is a linear or branched alkyl group having from 1 to 20 carbon atoms, each R' is independently a linear or branched alkyl group having from 1 to 20 carbon atoms or hydrogen, each n is independently from 1 to 5 and m is from 5 to 40, to the reaction mixture of step (a); (c) at least partially removing the solvent from the reaction mixture of step (b); and (d) further reacting the reaction mixture of step (c) with alkylene oxide at a given temperature until the average degree of alkoxylation of each NH group and each optional NHgroup, calculated as two NH groups, of the first polymer is from 2 to 40. The present invention also relates to a polymer composition obtainable from that process and the use of such a polymer composition. 

Process for the alkoxylation of amino group containing polymers

The present invention relates to amphiphilic water-soluble alkoxylated polyalkyleneimines having an inner polyethylene oxide block comprising 20 to 50 polyethylene oxide units and an outer polypropylene oxide block comprising 10 to 50 polyethylene oxide units and especially to such alkoxylated polyalkyleneimines wherein the ratio of polyethylene oxide units and polypropylene oxide units is proportionally related to the square root of the number of polyalkyleneimine units present in the backbone. The present invention further relates to the use of these alkoxylated polyalkyleneimines as a soil detachment promoting additive to laundry detergents and cleaning compositions and to laundry detergents and cleaning compositions which comprise these alkoxylated mono- or polyalkyleneimines.

Amphiphilic water-soluble alkoxylated polyalkyleneimines having an inner polyethylene oxide block and an outer polypropylene oxide block

A cleaning implement comprises a modified open-cell foam with a density in the range from about 5 to about 1,000 kg/mand with an average pore diameter in the range from about 1 &#x3bc;m to about 1 mm, comprising an amount in the range from about 1 to about 2,500% by weight, based on the weight of the unmodified open-cell foam, of at least about one water-insoluble polymer (b), selected from polystyrene, styrene copolymers, polybutadiene, butadiene copolymers, polyvinylesters, polyvinylethers, copolymers from (meth)acrylic acid with at least one (meth)acrylate, and polyurethanes, with the proviso that styrene-acrylonitrile-C-C-alkyl (meth)acrylate terpolymers, styrene-butadiene-n-butyl acrylate terpolymers, and styrene-maleic anhydride copolymers are excluded.

Cleaning implement comprising a modified open-cell foam

The present invention relates to polymers obtainable by condensation of N-(hydroxy-alkyl)amines and reacting the remaining hydroxy and/or secondary amino groups of the condensation product with alkylene oxides and to derivatives obtainable by quaternization, protonation, sulphation and/or phosphation of said polymers, as well as to a process for preparing said polymers and a process for preparing said derivatives.

Alkoxylated polyalkanolamines

Laundry detergent and cleaning compositions comprising alkoxylated polyalkanolamine polymers obtainable by condensation of N-(hydroxyalkyl)amines and reacting the remaining hydroxy and/or secondary amino groups of the condensation product with alkylene oxides and/or derivatives obtainable by quaternization, protonation, sulphation and/or phosphation of said polymers.

Cleaning compositions with alkoxylated polyalkanolamines

Growing community of inventors

Mannheim, Germany

Stefan Frenzel