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Dive into the research topics where Johannes Pfenninger is active.

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Featured researches published by Johannes Pfenninger.


Bulletin des Sociétés Chimiques Belges | 2010

The synthesis and properties of 1,4-diketo-pyrrolo[3,4-C]pyrroles

Abul Iqbal; M. Jost; R. Kirchmayr; Johannes Pfenninger; Alain Claude Dr. Rochat; Olof Wallquist


Archive | 1988

Process for the preparation of pyrrolo [3,4-c] pyrroles

Johannes Pfenninger; Abul Iqbal; Alain Claude Dr. Rochat; Olof Wallquist


Archive | 1988

Process for preparation of quinacridone solid solutions

Edward Ephraim Dr. Jaffe; Johannes Pfenninger


Archive | 1985

Mixtures of pigments

Abul Iqbal; Johannes Pfenninger; Alain Claude Dr. Rochat; Fridolin Babler


Archive | 1985

Process for the preparation of pyrrolo[3,4-c]pyrroles, and novel pyrrolo[3,4-c]pyrroles

Johannes Pfenninger; Abul Iqbal; Alain Claude Dr. Rochat; Olof Wallquist


Archive | 1989

Pearlescent coating compositions

Johannes Pfenninger; Edward Ephraim Dr. Jaffe


Archive | 1985

Pyrrolo-[3,4-c]-pyrroles and process for their preparation

Johannes Pfenninger; Abul Iqbal; Alain Claude Dr. Rochat; Olof Wallquist


Archive | 1992

Process for preparing modified beta-quinacridone pigment

Johannes Pfenninger; Walter C Zukowski; Fridolin Babler; Edward Ephraim Dr. Jaffe


Archive | 1988

Process for preparation of opaque quinacridones

Edward Ephraim Dr. Jaffe; Johannes Pfenninger


Archive | 1991

Process for preparing modified β-quinacridone pigment

Johannes Pfenninger; Walter C Zukowski; Fridolin Babler; Edward Ephraim Dr. Jaffe

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Olof Wallquist

Ciba Specialty Chemicals

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Olof Wallquist

Ciba Specialty Chemicals

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