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Featured researches published by Josef Witte.


Archive | 1988

Linear and Branched Polyethylenes by New Coordination Catalysts

K. A. Ostoja Starzewski; Josef Witte; K. H. Reichert; G. Vasiliou

Novel bis(ylid)nickel catalysts exhibit remarkable properties in ethene polymerization (1–3). The special features and variability of the ylid bond system may be monitored using photoelectron spectroscopy (4–7).


Archive | 1971

Process for the production of microgranulates

Gottfried Pampus; Hildegard Schnoring; Norbert Dr. Schön; Josef Witte


Angewandte Chemie | 1985

Highly Active Ylide-Nickel Catalysts for the Polymerization of Ethylene†

K. Alexander Ostoja Starzewski; Josef Witte


Angewandte Chemie | 1987

Control of the Molecular Weight of Polyethene in Syntheses with Bis(ylide)nickel Catalysts

K. Alexander Ostoja Starzewski; Josef Witte


Archive | 1986

Process and catalyst for the preparation of syndiotactic 1,2,-polybutadiene

Josef Witte; Gerd Sylvester; Bernd Stollfuss


Archive | 1979

CATALYST, ITS MANUFACTURE AND ITS USE IN THE SOLUTION-POLYMERISATION OF CONJUGATED DIENES

Gerd Sylvester; Josef Witte; Gunter Marwede


Archive | 1979

Catalyst and its preparation and use for the solution polymerization of conjugated dienes

Gerd Sylvester; Josef Witte; Gunter Marwede


Angewandte Chemie | 1985

Hochaktive Ylid-Nickel-Katalysatoren für die Ethen-Polymerisation†

K. Ostoja Alexander Starzewski; Josef Witte


Angewandte Chemie | 1987

Steuerung des Molekulargewichts von Polyethen bei der Synthese mit Bis(ylid)nickel-Katalysatoren

K. Alexander Ostoja Starzewski; Josef Witte


Archive | 1980

Solution polymerization of conjugated dienes

Gerd Sylvester; Josef Witte; Gunter Marwede

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