Basf Se Corporation

Ciba Specialty Chemicals Corporation

Basf Se Ludwigshafen

Mathias Düggeli

Pascal Hayoz

Olivier Frédéric Aebischer

Marta Fonrodona Turon

Beat Schmidhalter

Roman Lenz

Olof Wallquist

Peter Murer

Gerardus De Keyzer

Thomas Schäfer

Natalia Chebotareva

Hans Jürg Kirner

Margherita Fontana

Leonhard Feiler

Taher Yousaf

Mahmoud Zaher Eteish

Hidetaka Oka

Hiroshi Yamamoto

Frank Bienewald

Jean-Charles Flores

Mathieu G R Turbiez

Jean-Luc Budry

Marian Lanz

Bernd Tieke

Martinus Maria Wienk

Zhimin Hao

Mathieu G R Turbioz

Mathieu Turbiez

Oliver Frédéric Aebischer

Ingo Heim

Aravinda Raman Rabindranath

Yu Zhu

Patrick Christopher Holzhüter

René Albert Johan Janssen

The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I) which are characterized in that Arand Arare independently of each other are an annulated (aromatic) heterocyclic ring system, containing at least one thiophene ring, which may be optionally substituted by one, or more groups, and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. 

Diketopyrrolopyrrole polymers for use in organic semiconductor devices

The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula *A-D* (I), or a polymer of formula *A-DB-D* (II), or *A-DB-DA-EB-E(III), and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.

Dyketopyrrolopyrrole polymers for use in organic semiconductor devices

The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula or a polymer of formula and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.

The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I), and at least one (repeating) unit(s) which is selected from repeating units of the formula (II), (III) and (IV); and polymers of the formula III, or IV and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.A-D&#x2003;&#x2003;(I)B-D&#x2003;&#x2003;(II)A-E&#x2003;&#x2003;(III)B-E&#x2003;&#x2003;(IV)

The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors.

Diketopyrrolopyrrole polymers for use in organic field effect transistors

The present invention relates to compounds of the formula (I) wherein the substituents are as defined in claim, and their use as organic semiconductor in organic devices, like diodes, organic field effect transistors and/or a solar cells. The compounds of the formula I have excellent solubility in organic solvents. High efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when said compounds are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells). 

Pyrrolopyrrole derivatives, their manufacture and use

The present invention relates to fluorescent diketopyrrolopyrroles of the formula (I), or (III), a process for their preparation and their use for the preparation of inks, colorants, pigmented plastics for coatings, non-impact-printing material, color filters, cosmetics, polymeric ink particles, toners, as fluorescent tracers, in color changing media, in solid dye lasers, EL lasers and electroluminescent devices. A luminescent device comprising a compound, or composition according to the present invention is high in the efficiency of electrical energy utilization and high in luminance. 

Fluorescent diketopyrrolopyrroles

The present invention relates to polymers comprising a repeating unit of the formula (I) 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).

Diketopyrrolopyrrole polymers

The present invention relates to a process for the preparation of a mixture comprising at least two structurally different diketopyrrolopyrrole pigments of formula whereinAand Aare each independently of the other an aromatic or heteroaromatic radical, by reacting a succinic acid ester with at least one unsubstituted or substituted aromatic or heteroaromatic nitrile, which process comprises carrying out the reaction in the presence of at least one compound of formula whereinA is an aromatic or heteroaromatic radical, Ris hydrogen, halogen, methyl, methoxy, &#x2014;CFor &#x2014;CN, Ris a linear or, from Cupwards, optionally branched C-Calkyl, C-Caryl or C-Caralkyl radical, X is &#x2014;S&#x2014;, &#x2014;O&#x2014;, &#x2014;CRR'&#x2014;, &#x2014;COO&#x2014;, &#x2014;CONR&#x2014;, &#x2014;SO&#x2014;, SO&#x2014;, &#x2014;SONR&#x2014; or &#x2014;NR&#x2014; and Rand R&#x2032; are each independently of the other hydrogen or a linear or, from Cupwards, optionally branched C-Calkyl, C-Caryl or C-Caralkyl radical,to the use of such a mixture in the coloring of organic material and in cosmetics, and also to novel diketopyrrolopyrrole pigment mixtures.

Heat-stable diketopyrrolopyrrole pigment mixtures

The present invention relates to a process for the preparation of a mixture comprising at least two structurally different diketopyrrolopyrrole pigments of formula (1) wherein Aand Aare each independently of the other an aromatic or heteroaromatic radical, by reacting a succinic acid ester with at least one unsubstituted or substituted aromatic or heteroaromatic nitrile, which process comprises carrying out the reaction in the presence of at least one compound of formula (2) wherein A is an aromatic or heteroaromatic radical, Ris hydrogen, halogen, methyl, methoxy, &#x2014;CFor &#x2014;CN, Ris a linear or, from Cupwards, optionally branched C-C3alkyl, C-Caryl or C-C2aralkyl radical, X is &#x2014;S&#x2014;, &#x2014;O&#x2014;, &#x2014;CRR'&#x2014;, &#x2014;COO&#x2014;, &#x2014;CONR&#x2014;, &#x2014;SO&#x2014;, SO&#x2014;, &#x2014;SONR&#x2014; or &#x2014;NR&#x2014; and Rand R&#x2032; are each independently of the other hydrogen or a linear or, from Cupwards, optionally branched C-Calkyl, C-Caryl or C-Caralkyl radical, to the use of such a mixture in the coloring of organic material and in cosmetics, and also to novel diketopyrrolopyrrole pigment mixtures 

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Thürnen, Switzerland

Mathias Düggeli