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Dive into the research topics where Roman Lenz is active.

Publication


Featured researches published by Roman Lenz.


Macromolecular Symposia | 2002

20 Years of DPP Pigments: Future perspectives

Olof Wallquist; Roman Lenz

Diketopyrrolopyrroles (DPP), one of the major innovations in Pigment Chemistry in the last 20 years, have developed to an important class of organic pigments. Chemical transformations have been the door opener for most of the innovations. The insoluble nature of the DPP Pigments allows for solid-state phenomena to be investigated. Crystal modifications and solid solution formation have enhanced the scope of DPP pigments. Specific elaborations of the DPP chemistry have lead to interesting developments also for electronic applications like color filters for liquid crystal displays or for the second generation display technologies like the OLED involving electro luminescent materials.


Archive | 2004

NOVEL DIKETOPYRROLOPYRROLE POLYMERS

Ingo Heim; Bernd Tieke; Roman Lenz; Beat Schmidhalter; Aravinda Raman Rabindranath; Mathias Düggeli


Archive | 2004

Heat-stable diketopyrrolopyrrole pigment mixtures

Olof Wallquist; Roman Lenz; Leonhard Feiler; Mathias Düggeli; Taher Yousaf; Gerardus de Keyzer


High Performance Pigments, Second Edition | 2009

Diketopyrrolopyrrole (DPP) Pigments

Olof Wallquist; Roman Lenz


Archive | 2009

Improved, red colour filter composition

Roman Lenz; Keyzer Gerardus De; Mathias Düggeli; Patrick Christopher Holzhüter


Archive | 2002

Pigment compositions and pigmented water-based coating materials

Roman Lenz; Olof Wallquist


Archive | 2003

High-molecular-weight polymeric material comprising diketopyrrolopyrrole pigments

Roman Lenz; Gerardus de Keyzer; Olof Wallquist; Taher Yousaf


Archive | 2001

Ternary pigment compositions

Roman Lenz; Olof Wallquist; Ingo Schlöder


Archive | 2009

Red colour filter composition

Roman Lenz; Gerardus de Keyzer; Mathias Düggeli; Patrick Christopher Holzhüter


Archive | 2009

Composition de filtre coloré rouge améliorée

Roman Lenz; Keyzer Gerardus De; Mathias Düggeli; Patrick Christopher Holzhüter

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Olof Wallquist

University of California

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Olof Wallquist

University of California

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Taher Yousaf

Ciba Specialty Chemicals

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Ingo Heim

University of Cologne

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Ingo Schlöder

Ciba Specialty Chemicals

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