1
Elvin L Hoel: Process for production of a high molecular weight ethylene a-olefin elastomer with a metallocene alumoxane catalyst. Exxon Chemical Patents, M B Kurtzman, October 3, 1989: US04871705 (224 worldwide citation)

Disclosed is a process for preparing high molecular weight ethylene-.alpha.-olefin elastomers, preferably an ethylene-propylene elastomer, by liquid phase polymerization of the requisite monomers in the presence of a metallocene/alumoxane catalyst system. Preferably, the process is carried out as a ...


2
Elvin L Hoel: Process for production of a high molecular weight ethylene .alpha.-olefin elastomer with a metallocene alumoxane catalyst. Exxon Chemical Patents, M B Kurtzman, March 19, 1991: US05001205 (154 worldwide citation)

Disclosed is a process for preparing high molecular weight ethylene-.alpha.-olefin elastomers, preferably an ethylene-propylene elastomer, by liquid phase polymerization of the requisite monomers in the presence of a metallocene/alumoxane catalyst system. Preferably, the process is carried out as a ...


3
Sigmund Floyd, Elvin L Hoel: Process for production of high molecular weight EPDM elastomers using a metallocene-alumoxane catalyst system. Exxon Chemical Patents, M Susan Spiering, M B Kurtzman, July 20, 1993: US05229478 (111 worldwide citation)

A process for producing a high molecular weight EPDM elastomer having low crystallinity using a bridged bis-metallocene-alumoxane catalyst wherein the metallocene component of the catalyst has the formula: ##STR1## wherein "M" is titanium, zirconium or hafnium; each "R.sup.1 " independently is a C.s ...


4
Elvin L Hoel: Process of producing high molecular weight ethylene-.alpha.-olefin elastomers with an indenyl metallocene catalyst system. Exxon Chemical Patents, Darrell E Warner, February 13, 1996: US05491207 (34 worldwide citation)

Disclosed is a process for preparing high molecular weight ethylene-.alpha.-olefin elastomers, preferably an ethylene-propylene elastomer, by liquid phase polymerization of the requisite monomers in the presence of a metallocene/alumoxane catalyst complex. Preferably, the process is carried out as a ...