Basf Aktiengesellschaft

Basf Se Corporation

Max-planck-gesellschaft Zur Forderung Der Wissenschaften E.v.

Other

Sandoz Ag

Flint Group Germany Gmbh

Basf Aktiengellschaft

Sipix Imaging, Inc.

Basf Akitengesellschaft

Helmut Reichelt

Gunther Lamm

Karl-Heinz Etzbach

Guenter Hansen

Ernst Schefczik

Clemens Grund

Arno Lange

Ruediger Sens

Gerhard Wagenblast

Thomas Gessner

Helmut Degen

Erwin Hahn

Hermann Loeffler

Matthias Wiesenfeldt

Sabine Gruettner-Merten

Volker Bach

Klaus Muellen

Rudiger Sens

Oliver Seeger

Helmut Hagen

Peter Erk

Korinna Dormann

Johannes P Dix

Georg Zeidler

Neil Gregory Pschirer

Hans Reichert

Ingo Klopp

Chen Li

Bernd Hupfeld

Anja Schwögler

Stefan Beckmann

Rüdiger Sens

Ingo Münster

Gunter-Rudolf Schroeder

Martin Könemann

Manfred Patsch

Ingmar Bruder

Sylke Haremza

Heinz Eilingsfeld

Alexander Aumueller

Martin Koenemann

Stevan David Jones

Christos Vamvakaris

James Charles Dunbar

Arno Boehm

Peter Blaschka

Reinhold Krallmann

Andreas Johann Schmidt

Thomas Geβner

Jan Schoeneboom

JianQiang Qu

Martin Weber

Peter Neumann

Rainer Becker

Wolfgang Hoelderich

Robert Send

Gerhard Heinz

Udo Mayer

Urs Lehmann

Nicolle Langer

Bernhard Albert

Ying-Syi Li

Hartwig Voss

Christian Maletzko

Junichi Tanabe

Udo Bergmann

Christian Eickhoff

Michael Schmitt

Manfred Herrmann

Klaus Müllen

Ortwin Schaffer

Juergen Koch

Reinhold Rieger

Armin Diefenbacher

Felix Eickemeyer

Gad Kory

Glauco Battagliarin

Jianqiang Qu

Yannick Fuchs

Henrike Wonneberger

Martin Holderbaum

Wolfgang Eberle

Yuichi Nishimae

Erhard Klahr

Stefan Schwiegk

Jae Hyung Hwang

Ralf Brueckmann

Paul Guenthert

Patrick Amrhein

Alban Glaser

Dieter Wegerle

Matthias Krieger

Simon Schambony

Klaus Meerholz

Thomas Geßner

Jin Yang

Antti Ojala

Peter Raatz

Frank Wuerthner

Daniel Heizler

The present invention relates to a new crystal form of the compound of formula and a process for its preparation. The compound may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and is particularly well-suited for security applications.

Crystal form of an organic fluorescent compound

The present invention relates to microparticle compositions comprising an organic IR absorbing pigment having a main absorption maximum in the range from 750 to 1100 nm. The invention also relates to a process for producing said microparticle compositions and to their use in a printing ink, in particular in a printing ink, which is suitable for producing a security feature or a security document. The microparticles of the pigment composition contain the organic IR absorbing pigment as solid particles, which are surrounded by or embedded in an aminoplast polymer, which is a polycondensation product of one or more amino compounds and one or more aldehydes. The microparticle based pigment composition is characterized by a volume based particle size distribution, as determined by static light scattering according to ISO 13320:2009 EN, having a D(4,3) value in the range from 1.0 to 15.0 μm.

Microparticle composition comprising an organic IR absorbing pigment

The present invention relates to naphthalocyanine and phthalocyanine chromophores of formula (I), their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.

Naphthalocyanine and phthalocyanine chromophores

A polyarylene ether sulfone comprising endgroups of formula (I), a process for its manufacture, a molding composition comprising the polyarylene ether sulfone, use of the molding composition and fiber, film or shaped article produced using the molding composition. 

Polyarylene ether sulfone comprising naphthalic acid anhydride endgroups

The present invention relates to a new crystal form of bis(diphenylimidazolidinetrithione-&#x3ba;S4, &#x3ba;S5)-, (SP-4-1)-nickel(II), a printing ink formulation for security printing and security documents, comprising the new crystal form of bis(diphenylimidazolidinetrithione-&#x3ba;S4, &#x3ba;S5)-, (SP-4-1)-nickel(II) as well as its use as IR absorber.

Crystal form of a dithiolene metal complex

The present invention relates to the use of specific naphthalocyanine chromophores with different axial substituents as almost colourless IR absorbers for security printing applications.

Naphthalocyanine derivatives

The present invention relates to specific Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents, their use as almost colourless IR absorbers, for optical filter applications; especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.

Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents

Provided is a 4-oxoquinoline compounds of the formula (I) (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5) and (A.6), (A.1) (A.2) (A.3) (A.4) (A.5) (A.6) wherein R, R, R, R, R, if present R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, Rand Rare as defined in the claims and in the description. Also provided is a method for their preparation and their use. 

4-oxoquinoline compounds

A polymer containing at least one unit of formula is prepared by treating a compound of formula wherein Yis I, Br, Cl or O&#x2014;S(O)CF,with an S-donor agent, in order to obtain the compound of formula wherein Yis as defined for the compound of formula (5).

Preparation of polymers comprising at least one benzo[c][1,2,5]thiadiazol-5,6-dicarbonitrile-unit

The present invention relates to a photoactive material comprising a donor substance and an acceptor substance, wherein the donor substance comprises or consists of one or more compounds of formula (I) described herein, or the acceptor substance comprises or consists of one or more compounds of formula (I) described herein, or the donor substance comprises or consists of a first compound of formula (I) described herein and the acceptor substance comprises a second compound of formula (I) described herein with the proviso that the first and second compound are not the same, as well as to an organic solar cell comprising said photoactive material. The present invention also relates to a photoelectric conversion device comprising or consisting of two or more organic solar cells comprising said photoactive material and to compounds of formula (I) as described herein for use as donor substance or as acceptor substance in a photoactive material, Further, the present invention relates to the use of a compound of formula (III) as described herein in the synthesis of a compound of formula (I)as described herein.

Compounds with terminal heteroarylcyanovinylene groups and their use in organic solar cells

The present invention provides the compounds of formulae (3) and (1) wherein n is 0 or 1, Rand Rare the same or different and are selected from the group consisting of NHR, NRR, OR, SRand R, or Rand Rtogether are selected from the group consisting of (a), (b) and (c), and X is CI, Br of I, and a process for the preparation of compounds of formula (3) comprising the compounds of formula (1) as key intermediates. 

Double donor functionalisation of the peri-positions of perylene and naphthalene monoimide via versatile building blocks

Compounds of the general formula (I) and compounds of the general formula (II)  Use of compounds (I) or (II) as visible or invisible markers, for staining materials, in the laser welding of materials, for detecting bases, acids or pH changes, as a dispersing assistant, pigment additive for organic pigments and intermediates for the production of pigment additives, in heat management or energy management, in photovoltaics or in optical data storage.

Quinoid rylenedicarboximides as IR absorbers

The present invention provides the compounds of formulae (3) and (1), wherein n is 0 or 1, Rand Rare the same and are selected from the group consisting of CN, OR, Si(R), NHR, NRR, SRand R, or Rand Rtogether are selected from the group consisting of (a), (b), and (c) and X is Cl, Br or I, and a process for the preparation of compounds of formula (3) comprising the compounds of formula (1) as key intermediates. 

Conveniently prepared naphthalene and perylene derivatives as building blocks for organic electronic materials and dyestuff

The present invention relates to the use of mixtures which comprise, as components K1), one or more merocyanines selected from the group of the compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and IIb, as defined in more detail in the description, as an electron donor or electron acceptor, and, as component K2), one or more compounds which, with respect to component K1), act correspondingly as an electron acceptor or electron donor, for producing photoactive layers for organic solar cells and organic photodetectors, to a process for producing photoactive layers, corresponding solar cells and organic photodetectors, and to mixtures which comprise, as components, one or more compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and/or IIb of component K1, as defined in more detail in the description, and one or more compounds of component K2.

Mixtures for producing photoactive layers for organic solar cells and organic photodetectors

The present invention relates to the use of specific metal complexes of dithiolenes with aryl or heteroarylsubstituted imidazolidine-2-chalcogenone-4,5-dithione ligands as colorless IR absorbers.

Use of aryl or heteroaryl substituted dithiolene metal complexes as IR absorbers

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Neustadt, Germany

Helmut Reichelt