Basf Se Corporation

Ciba Specialty Chemicals Corporation

Udc Ireland Limited

Basf Aktiengesellschaft

Idemitsu Kosan Company, Limited

Basf Schweiz Ag

Thomas Schäfer

Masahiro Kawamura

Beat Schmidhalter

Kristina Bardon

Peter Murer

Roger Prétôt

Gerhard Wagenblast

Christian Lennartz

Christian Schildknecht

Walter Disteldorf

Paul Van Der Schaaf

Jochem Henkelmann

Soichi Watanabe

Adalbert Braig

Dieter Reinehr

Boris Breitscheidel

Yuki Nakano

Pascal Hayoz

Nicolle Langer

Tobias Hintermann

Bernd Lamatsch

Heinz Wolleb

Patrice Bujard

Oliver Molt

Georges Metzger

Korinna Dormann

Evelyn Fuchs

Masatoshi Saito

Natalia Chebotareva

Jonathan Rogers

Oliver Bey

Vien V Toan

Annemarie Wolleb

Stefan Metz

Klaus Müllen

Ute Heinemeyer

Flavio Luiz Benedito

Matthias Welker

Hans Jürg Kirner

Thomas Eichenberger

Christophe Bulliard

Jean-Charles Flores

Teresa Marina Figueira Duarte

Mathieu G R Turbiez

Marta Fonrodona Turon

Mathias Düggeli

Stephan Allenbach

Michael Becker

Gisèle Baudin

Ingo Münster

Olivier Frédéric Aebischer

Oliver Dosenbach

Yuichi Nishimae

Didier Bauer

Andrea Ricci

Jarren Peters

Katrin Friese

Rachel Kohli Steck

Christoph Übler

Jemima Schmidt

Thomas Vogel

Martin Baumgarten

Michael Robert Craig

Valerie Stutz

Felix Richter

Frédérique Wendeborn

Roman Kolly

Daniela Mirk

Thomas Raimann

Michelle Groarke

Stéphane Biry

Peter Michaelis

François Maike

Joern Pommerehne

Paul Adriaan Van Der Schaaf

Rosemarie Sift

Moussa Saleh

Shin-Ichiro Kawano

Manuela Kocher

Heinz Hottinger

Colin Morton

Vien Van Toan

Gerhard Wagen-Blast

Matthias DüBNER

Takushi Shiomi

Nakano Yuki

Michell Groarke

Ilona Stengel

Hideaki Nagashima

The present invention relates electroluminescent devices, comprising a compound of the formula especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

Heterocyclic bridged biphenyls

The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

4H-imidazo[1,2-a]imidazoles for electronic applications

This invention relates to electroluminescent metal complexes with benzotriazoles of the formula (I), a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts. 

Electroluminescent metal complexes with benzotriazoles

The present invention relates to compounds of the formula (I), a process for their preparation and their use in organic light emitting diodes (OLEDs), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or special characteristics of electroluminescent devices. 

The invention relates to a method for producing carboxylic esters by converting a carboxylic acid or a carboxylic acid anhydride or a mixture thereof with an alcohol in a reaction system comprising one or more reactors, wherein reaction water is distilled as alcohol-water-azeotrope with the vapors, the vapors are at least partially condensed, the condensate is separated into an aqueous phase and an organic phase and said organic phase is supplied at least partially back into said reaction system. Components boiling lower than the alcohol are at least partially removed from said returned organic phase such as wherein components boiling lower than alcohol are evaporated and/or distilled off. An enrichment in the reaction system of by-products boiling lower than alcohol is avoided. Alcohol losses can be minimized by discharge currents.

Method for producing carboxylic acid esters

The present invention relates to the use of dibenzofurans and dibenzothiophenes which have at least one nitrogen-bonded five-membered heterocyclic ring as a substituent as host, blocker and/or charge transport material in organic electronics. The present invention further relates to dibenzofurans and dibenzothiophenes which comprise at least one nitrogen-bonded five-membered heterocyclic ring and at least one carbazolyl radical as substituents, to a process for preparation thereof, and to the use of these compounds in organic electronics.

Use of dibenzofurans and dibenzothiophenes substituted by nitrogen-bonded five-membered heterocyclic rings in organic electronics

The present invention relates to electroluminescent devices, comprising a compound of the formula (I) as a component of the transporting/injecting and/or electron blocking layer. The compounds of formula (I) may function alone, or in combination with dopants to provide improved efficiency, driving voltage and/or lifetime of electroluminescent devices. 

Phenanthroazole compounds as hole transporting materials for electro luminescent devices

This invention relates to electroluminescent metal complexes of the formula (I) wherein the ring A, represents an optionally substituted aryl group which can optionally contain heteroatoms, represents an optionally substituted nitrogen containing aryl group, which can optionally contain further heteroatoms, or the ring A may be taken with the ring B binding to the ring A to form a ring; represents an acyclic carbene, or a cyclic carbene (ring C), which can optionally contain heteroatoms, represents an optionally substituted aryl group which can optionally contain heteroatoms,

Electroluminescent metal complexes with nucleophilic carbene ligands

The invention relates to a method for producing carboxylic acid esters by reacting a reaction mixture, comprising a carboxylic acid and/or a carboxylic acid anhydride, and an alcohol in a reaction system having one or more reactors, wherein reaction water is distilled off as an alcohol/water azeotrope with the exhaust vapor. In addition, the reaction mixture is treated with superheated alcohol vapor. The method allows the production of esters having a low acid number.

Production of carboxylic acid esters by stripping with alcohol vapor

The present invention relates to a method of regenerating a ruthenium catalyst suitable for hydrogenation, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained. The method is particularly useful for ruthenium catalysts which are used for the hydrogenation of aromatics.

Method of regenerating ruthenium catalysts suitable for hydrogenation

The present invention relates to polymers comprising repeating unit(s) of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs). 

Polymers

The present invention relates to a method of regenerating a ruthenium catalyst for the hydrogenation of phthalates, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained.

Method of regenerating ruthenium catalysts for the ring hydrogenation of phthalates

The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.

Hydroxyphenyl triazines with an aromatic carbocyclic fused ring system

This invention relates to electroluminescent metal complexes of the formula (I), wherein the ring A, formula (II), represents an optionally substituted aryl group which can optionally contain heteroatoms, the ring B, formula (III), represents an optionally substituted nitrogen containing aryl group, which can optionally contain further heteroatoms, or the ring A may be taken with the ring B binding to the ring A to form a ring; the group C, formula (IV), represents an acyclic carbene, or a cyclic carbene (ring C), which can optionally contain heteroatoms, the ring D, formula (V), represents an optionally substituted aryl group which can optionally contain heteroatoms, n1 is an integer of 1 to 3, m1 is an integer of 0, 1, or 2, m2 is an integer 0, or 1, Mis a metal with an atomic weight of greater than 40, Lis a monodentate ligand, or a bidentate ligand, Y is &#x2014;C(&#x2550;O)&#x2014;, or &#x2014;C(X), wherein Xis hydrogen, or Calkyl, especially hydrogen, and y is 0, or 1, especially 0; a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts. 

Growing community of inventors

Liestal, Switzerland

Thomas Schäfer