Basf Se Corporation

The Dow Chemical Company

Basf Aktiengesellschaft

Dow Global Technolgoies LLC

Kai Gumlich

Joaquim Henrique Teles

Stefan Frenzel

Ivette Garcia Castro

Karin Neubecker

Maria Heuken

Rouven Konrad

Philip Kampe

Christian Bartosch

Richard Jacubinas

Ulrich Mueller

Peter Bassler

Edward Bohres

Meinolf Weidenbach

Roland Merten

Hans-Georg Goebbel

Martin Schäfer

Steffen Oehlenschläger

Ulrich Müller

Andrei-Nicolae Parvulescu

Peter Zehner

Markus Weber

Dominic Riedel

Dieter Faul

Goetz-Peter Schindler

Michael Henningsen

Götz-Peter Schindler

Stephan Lamm

Adam Blanazs

Daniel Urbanczyk

Anton Meier

Natalia Trukhan

Bianca Seelig

Christian Müller

Peter Resch

Werner J Witzl

Hans-Georg Göbbel

Michael Schelper

Michael Nilles

Thomas Grassler

Peter Baβler

Jochen Schäfer

Hans-Peter Schildberg

Jennifer Anne Jackson

Soo Yin Chin

Judith Christine Braeuer

Stefan Berg

Tilo John

Martin Schaefer

Maria Socher

Mathieu Chabanas

Bernhard Mohr

Uwe Emnet

Rüdiger Grob

Martin Cogswell

Jochen SCHÄFER

Peter BAßler

Thomas Graßler

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

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

A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt of a phosphorus oxyacid wherein the molar ratio of potassium relative to phosphorus in the at least one potassium salt of a phosphorus oxyacid is in the range of from 0.6 to 1.4; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW comprising zinc, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation reactor, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane; (iii) removing an effluent stream from the epoxidation reactor, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane.

Process for preparing propylene oxide

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

A process for producing propylene oxide comprising reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (G1) comprising propylene oxide, unreacted propene, and oxygen; separating propylene oxide from mixture (G1) to give a mixture (GII) comprising propene and oxygen; and adding hydrogen to mixture (GII) and reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising copper in elemental and/or oxidic form on a support, wherein copper is present on the support in an amount of 30 to 80 wt.-% based on the whole catalyst and calculated as CuO.

Process for producing propylene oxide

A continuous process for the production of propylene oxide comprising reacting propene with hydrogen peroxide in methanolic solution in the presence of a titanium silicalite-1 catalyst to obtain propylene oxide, wherein a reaction feed comprising propene, methanol and hydrogen peroxide is introduced into a reactor, said reaction feed containing potassium cations and phosphorus in the form of anions of at least one phosphorus oxyacid.

Process for the production of propylene oxide

A method for separating acetonitrile from water, comprising (i) providing a stream Scontaining at least 95 wt.-%, based on the total weight of S, acetonitrile and water, wherein the weight ratio of acetonitrile: water is greater than 1; (ii) adding a stream P, comprising at least 95 wt.-% C3, based on the total weight of stream P, to Sto obtain a mixed stream S, C3 being propene optionally admixed with propane with a minimum weight ratio of propene: propane of 7:3; (iii) subjecting Sto a temperature of 92&#xb0; C. at most and a pressure of at least 10 bar, obtaining a first liquid phase Lessentially consisting of C3, acetonitrile, and water, and a second liquid phase Lessentially consisting of water and acetonitrile wherein the weight ratio of acetonitrile: water in Lis less than 1; (iv) separating Lfrom L

Method for the separation of acetonitrile from water

The invention relates to a process for the oxidation of organic compounds by means of oxygen, in which, in a first step, the organic compound and at least part of the oxygen required for the oxidation are introduced into a first reaction zone which is operated isothermally and with backmixing and, in a second step, the reaction mixture from the first reaction zone is introduced into a second reaction zone which is operated adiabatically. The invention further relates to a reactor for carrying out the process, which comprises at least one isothermal reaction zone () and an adiabatic reaction zone () which are arranged in a reactor shell (), with each isothermal reaction zone () being configured in the form of a jet loop reactor and the adiabatic reaction zone () being configured as a bubble column.

Process and device for the oxidation of organic compounds

The invention relates to a process for oxidizing at least one organic substance with oxygen, which comprises the following steps: The invention further relates to an apparatus for performing the process.

Process and apparatus for oxidizing organic compounds

Glycidyl 2-propylheptanoate, glycidyl 4-methyl-2-propylhexanoate or a mixture of these (referred to collectively for short as glycidyl ester).

C10 alkanoic acid glycidyl esters and use thereof

The present invention relates to a process for preparing 4-pentenoic acid, at least comprising the oxidation of a mixture (G) comprising 4-pentenal, 3-methyl-2-butanone and cyclopentene oxide, and to the use of a mixture (G) comprising 4-pentenal, 3-methyl-2-butanone and cyclopentene oxide for preparing 4-pentenoic acid. In the context of the present invention, the mixture (G) is preferably obtained as a by-product of the oxidation of cyclopentene to cyclopentanone by means of dinitrogen monoxide.

Process for preparing 4-pentenoic acid

Process for preparing glycidyl esters, wherein carbonate esters of the formula I are reacted in the presence of a homogeneous catalyst with elimination of carbon dioxide to form glycidyl esters of the formula II where R in the above formulae is an organic radical having from 1 to 20 carbon atoms.

Process for preparing glycidyl esters

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Mannheim, Germany

Kai Gumlich