Bayer Aktiengesellschaft

Bayer Technology Services Gmbh

Solarworld Aktiengesellschaft

Bayer Intellectual Property Gmbh

Lanxess Deutschland Gmbh

Anellotech, Inc.

Bayer Materialscience Ag

Covestro Deutschland Ag

Novus International, Inc.

Saltigo Gmbh

Quantum Materials Corporation

R Plus Japan Limited

Futurecarbon Gmbh

Suzhou Skywell Healthcare Information Co, Ltd

Leslaw Mleczko

Aurel Wolf

Sigurd Buchholz

Volker Michele

Stephan Schubert

Heiko Herold

Reiner Rudolf

Rainer Weber

Christian Münnich

Karl-Robert Boos

Björn Henninger

Matthias Pfaffelhuber

Oliver Felix-Karl Schlüter

Frank Rauscher

Evin Hizaler Hoffmann

Hans-Dieter Block

Reinhard Langer

Ulrich Meisen

Yu-Ting Cheng

Dieter Heinz

Daniel Gordon Duff

Heinrich Morhenn

Ralph Weber

Georg Lamp

Wulf Dietrich

Werner Obrecht

Alexander Klausener

Terry Joseph Mazanec

Paul Wagner

Andreas Bulan

Michael Bierdel

Robert Maleika

Werner Hoheisel

Gebhard Wagner

Jürgen Kintrup

Heiko Hocke

Michael Missalla

Thomas Früh

Torsten Ziser

Franz-Josef Mersmann

Knud Werner

Michael Gottfried

Johannes-Peter Schäfer

Hans-Joachim Leimkühler

Ilja Peckermann

James Rolston

J&uuml;rgen Schneider

Michael Dauben

Helmut Meyer

Giulio Lolli

Ralph Schellen

Jens Assmann

Günter Holdenried

Theo König

Sebastian Falss

Omar M Basha

Rushikesh Apte

Shaibal Roy

Jens Stefan Roggan

Konstantinos Metaxas

Ekkehard Barth

Collin Schmidt

Andreas Schulze Tilling

Verena Haverkamp

Günter Rauchschwalbe

Karl-Ernst Wirth

Claus Riehle

Puvin Pichai

Karl-Ludwig Metzger

Jeff Whiting

Raghava Dasarathy

Elmar Bramer-Weger

Friedrich Haendeler

Armin Schweiger

Carl-Helmut Coulon

Anke Beckmann

Gregory S Coil

H Günter Holdenried

Karl-Theodor König

Alexander Karpenko

Huachang Lu

Stephan Nowak

Philipp Schlichthärle

Maria Pilar Ezpeleta Tejero

Felix-Karl Oliver Schlüter

Dietmar Schwanke

Edwin Gross-Hardt

Andreas Bürgel

Torsten Sill

Greg Coil

Pankaj Ajmera

Rocco Carabetta

Sebastian Falß

Maziar Kakhi

Harley Freeman

Jens Aβmann

Robert Tyron Hanlon

Alexandra Groβe Böwing

Kilian Tellmann

A method of producing olefinic and aromatic hydrocarbons from waste plastics comprising feeding a mixture of plastics along with the products of the oxidation of light hydrocarbons to a process in which the feed mixture is catalytically pyrolyzed to produce olefins and aromatics.

Process for chemically recycling plastic waste with alkane oxidation products

The invention comprises methods of robotically separating unwanted heteroatom-containing materials from a plastic mixture and catalytically pyrolyzing the resulting mixed plastics to obtain olefins and aromatics. Systems and compositions useful in the catalytic pyrolysis of plastics are also described.

Robotic separation of plastics for chemical recycling

A process that separates the fillers found in plastics from catalyst and the gases in a fluid bed catalytic pyrolysis process for the conversion of waste plastics, polymers, and other waste materials to useful chemical and fuel products such as paraffins, olefins, and aromatics such as BTX, is described.

High efficiency process for separating fillers from catalyst and gases in a fluid bed catalytic pyrolysis process

The invention relates to a method for transferring a pourable medium () from a first vessel () into a second vessel (), by means of a robot arm (), wherein a movement) of the robot arm () can be controlled by at least one movement parameter (BP), including, inter alia, the following method steps: d) determining the mass of the medium () transferred into the second vessel () as an actual filling mass (IFM), and also the variation over time of the actual filling mass (IFM) of the medium (; as an actual mass flow (IMS), by means of a balance), c) calculating a correcting mass flow (StMS) as a correcting variable () of a first control circuit () while taking into account the actual filling mass (FM) and the intended filling mass (SFM), f) using the correcting variable () of die first control circuit () as a reference variable () of a second control circuit () for the purpose that the calculated correcting mass flow (StMS) is used as the intended mass flow (SMS), g) calculating the at least one movement parameter (BP) of the robot arm () as a correcting variable () of the second control circuit () while taking into account the intended mass flow (SMS) and the actual mass flow (IMS), and h) performing, the movement () of the robot arm (), or, the basis of the at least one movement parameter (BP). The invention also relates to a device () for carrying out the above method.

Method for transferring a pourable medium

A two-step process that includes a pyrolytic first step carried out in a mechanically or gravitationally impelled reactor and a catalytic fluid bed second step that upgrades the resulting vapor, for the conversion of waste plastics, polymers, and other waste materials to useful chemical and fuel products such as paraffins, olefins, and aromatics such as BTX is described.

Two step process for chemically recycling plastic waste

A reaction chamber for a chemical reactor comprises a casing () of the reaction chamber, a floor () of the reaction chamber having an opening () located in the floor, an agitator shaft () located in the chamber and having at least one agitator element (), connected thereto, wherein the agitator shaft (), seen in the longitudinal direction, has a beginning () and an end (). In the opening () of the floor () a removable sleeve () is provided, which projects out of the reaction chamber. The sleeve () is arranged in alignment with the axis of rotation of the agitator shaft (). The internal diameter of the sleeve () is greater than the diameter of the agitator shaft () and the agitator shaft (), at the beginning () thereof and/or at the end () thereof, is adapted to absorb reversibly a torque provided by means of a further shaft and/or to transmit a torque to a further shaft. Using such a reaction chamber, it is possible to build up modular chemical reactors having decreased backmixing.

Reaction chamber for a chemical reactor, and chemical reactor constructed therefrom

The present invention generally relates to the manufacture of methyl mercaptan using recycled dimethyl sulfide. In particular, the invention relates to a process for the continuous production of methyl mercaptan via the catalytic conversion of dimethyl sulfide using a non-promoted AlOcatalyst at low temperatures.

Process for producing methyl mercaptan from dimethyl sulfide

The present invention relates to a multistage stirred reactor, comprising a multiplicity of mutually adjacent reaction chambers and stirring elements for mixing the contents of at least one of the reaction chambers, wherein, between adjacent reaction chambers, there is in each case provided at least one opening that can be closed by means of closure means, such that in the open state there is a fluidic connection between the adjacent reaction chambers and in the closed state the adjacent reaction chambers are separated from one another. At least one of the closure means () is connected to an actuation rod () that is guided out of the stirred reactor. The actuation rod () can be moved back and forth between at least one first position and a second position, by rotation and/or displacement, wherein in the first position closure means () that are connected to the actuation rod () effect an open state of the opening assigned to them and in the second position closure means () that are connected to the actuation rod () effect a closed state of the opening assigned to them.

Multi-stage stirred reactor having reduced back mixing

A method of reacting phosgene with a second compound containing one or more of hydroxyl, thil, amino and/or formamide groups, wherein phosgene has a GHS hazard identification of GHS06 and is obtainable from the reaction of carbon monoxide and chlorine and wherein the second compound is capable of a chemical reaction with phosgene is provided.

Method for the phosgenation of compounds comprising hydroxyl, thiol, amino and/or formamide groups

The invention relates to a method particularly for reacting phosgene with compounds that contain hydroxyl, thiol, amino and/or formamide groups, comprising the steps of: (I) providing a reactor which has a first reaction chamber () and a second reaction chamber (), the first and the second reaction chambers being separated from one another by means of a porous carbon membrane (); (II) providing carbon monoxide and chlorine in the first reaction chamber; and simultaneously (III) providing a compound containing hydroxyl, thiol, amino and/or formamide groups in the second reaction chamber. The porous carbon membrane is configured to catalyze the reaction of carbon monoxide and chlorine to obtain phosgene, and to allow this formed phosgene to pass into the second reaction chamber. The invention also relates to a reactor that is suitable for carrying out the claimed method.

Method for phosgenating compounds containing hydroxyl, thiol, amino and/or formamide groups

The invention relates to a continuous-flow synthesis process for the preparation of high quality indium phosphide/zinc sulfide core/shell semiconduting nanocrystals in particular quantum dots (QD) conducted in a micro-reaction system comprising at least one mixing chamber connected to one reaction chamber.

Continuous synthesis of high quantum yield InP/ZnS nanocrystals

The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises at least tin dioxide as a support material and at least one ruthenium-containing compound as a catalytically active material, and comprises, as an additional secondary constituent, a compound of an element or an element selected from the group of: Nb, V, Ta, Cr, Mo, Au, In, Sc, Y and lanthanoids, especially La and Ce.

Catalyst and method for the production of chlorine by gas phase oxidation

The present invention relates to a process for the production of carbon nanotubes, in particular those having a diameter of 3-150 nm and an aspect ratio of length:diameter (L:D)&#x3e;100, by decomposition of hydrocarbons on a heterogeneous catalyst which comprises Mn, Co, preferably also molybdenum, and an inert support material, and the catalyst and the carbon nanotubes themselves and the use thereof.

Catalyst for producing carbon nanotubes by means of the decomposition of gaseous carbon compounds on a heterogeneous catalyst

The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises calcined tin dioxide as a support and at least one halogen-containing ruthenium compound, and to the use thereof.

Growing community of inventors

Dormagen, Germany

Leslaw Mleczko