1
Michael Joachim Brekner, Jurgen Rohrmann, Walter Spaleck, Martin Antberg: Process for the preparation of cycloolefin polymers. Hoechst Aktiengesellschaft, February 11, 1992: US05087677 (147 worldwide citation)

Polymers of polycyclic olefins of the formulae I to IV having a viscosity number greater than 20 cm.sup.3 /g and a glass transition temperature above 100.degree. C. are obtained without ring opening at a high polymerization rate and at polymerization temperatures advantageous from the technical poin ...


2
Brekner Michael Joachim Dr, Osan Frank Dr: Process for preparing cyclo-olefin polymers.. Hoechst, August 17, 1994: EP0610852-A1 (5 worldwide citation)

A process for the preparation of cycloolefin polymers comprising cyclic and acyclic olefin monomers using a catalyst system in a reaction space, characterised in that the residence time of the monomers in the reaction space is separate from the residence time of the catalyst system in the reaction s ...


3
Brekner Michael Joachim Dr, Rohrmann Juergen Dr, Spaleck Walter Dr, Antberg Martin Dr: Process for the preparation of cycloolefin polymers. Hoechst, August 27, 1997: EP0791611-A2

Polymerisate von polycyclischen Olefinen der Formeln I bis IV mit einer Viskositätszahl grösser 20 cm/g und einer Glastemperatur oberhalb 100 DEG C erhält man ohne Ringöffnung mit einer hohen Polymerisationsgeschwindigkeit bei technisch günstigen Polymerisationstemperaturen mittels eines Katalysator ...


4
Brekner Michael Joachim, Rohrmann Jurgen, Spaleck Walter, Antberg Martin: Procede pour la preparation de polymeres de cycloolefines, Process for the preparation of cycloolefin polymers. Hoechst Aktiengesellschaft, Ticona, BERESKIN & PARR, February 8, 2005: CA2020640

Polymers of polycyclic olefins of the formulae I to IV having a viscosity number greater than 20 cm3/g and a glass transition temperature above 100�C are obtained without ring opening at a high polymerization rate and at polymerization temperatures advantageous from the technical point of view by me ...


5
Michael Joachim Brekner, Frank Osan: Preparation of cycloolefincopolymer. Hoechst Aktiengesellschaft, HUANG ZEXIONG, April 5, 1995: CN94101386

A process for the preparation of cycloolefin polymers comprising cyclic and acyclic olefin monomers using a catalyst system in a reaction space, characterised in that the residence time of the monomers in the reaction space is separate from the residence time of the catalyst system in the reaction s ...