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Featured researches published by Erwin Czech.


Hard Copy and Printing Materials, Media, and Processes | 1990

Colored single-component toners

Erwin Czech; Werner Ostertag

The problems to develop colored single component toners are well known. Because of the unattractive colors of ordinary magnetic pigments it is possible to produce only dull, pastellic color toners, which were not very successful in the market. It will be shown, that this problem can be overcome by using a special iron-powder. named Sicopur FF 4068. which is made by decomposition of iron pentacarbonyl, as a magnetic pigment in colored s ingle component toners


Archive | 1988

Carrier for reprography and production of this carrier

Werner Ostertag; Erwin Czech; Franz-Ulrich Schmitt; Detlef Schulze-Hagenest


Archive | 1992

Particles suitable for use as carrier particles in electrophotography

Joerg Adel; Norbert Mronga; Erwin Czech


Archive | 1988

Carrier for copying systems and manufacturing process thereof

Werner Ostertag; Erwin Czech; Franz-Ulrich Schmitt; Detlef Schulze-Hagenest


Archive | 1992

Particles suitable as carriers for electrophotography

Joerg Adel; Norbert Mronga; Erwin Czech


Archive | 1989

Oxide-coated carriers and preparation and use thereof

Erwin Czech; Werner Ostertag; Detlef Schulze-Hagenest; Franz-Ulrich Schmitt


Archive | 1986

Colored single-component toners and their preparation

Werner Ostertag; Erwin Czech; Franz-Ulrich Schmitt; Detlef Schulze-Hagenest


Archive | 1994

Finely divided blue molybdenum oxide

Jörg Dr. Adel; Erwin Czech


Archive | 1989

Oxide-coated carrier, its manufacturing process and its use

Erwin Czech; Werner Ostertag; Detlef Schulze-Hagenest; Franz-Ulrich Schmitt


Archive | 1986

COLOURED ONE COMPONENT TONERS AND PROCESS FOR THEIR PREPARATION

Werner Ostertag; Erwin Czech; Franz-Ulrich Schmitt; Detlef Schulze-Hagenest

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