1
Umberto Giannini, Antonio Cassata, Paolo Longi, Romano Mazzocchi: Process for the stereoregular polymerization of alpha olefins. Montecatini Edison S p A, August 15, 1978: US04107414 (109 worldwide citation)

There is disclosed a process for the stereoregular polymerization of alpha-olefins or mixtures thereof with ethylene, conducted in the presence of highly active and stereospecific new catalysts. The catalysts are obtained from the reaction of a particular Al-alkyl compound which is at least in part ...


2
Umberto Giannini, Antonio Cassata, Paolo Longi, Romano Mazzocchi: Process for the stereoregular polymerization of alpha olefins. Montedison S p A, August 15, 1978: US04107413 (80 worldwide citation)

There is disclosed a process for the stereoregular polymerization of alpha olefins or mixtures thereof with ethylene conducted in the presence of highly active and stereospecific new catalysts.


3
Luigi Resconi, Umberto Giannini, Enrico Albizzati: Catalysts for the polymerization of olefins. Himont Incorporated, September 17, 1991: US05049535 (75 worldwide citation)

Catalysts for the polymerization of olefins, obtained from special zirconocenic compounds and from alkyl-Al compounds.


4
Umberto Giannini, Antonio Cassata, Paolo Longi, Romano Mazzocchi: Process for the stereoregular polymerization of alpha-olephins. Montedison S p A, October 7, 1980: US04226963 (70 worldwide citation)

There is disclosed a process for the stereoregular polymerization of alpha olefins or mixtures thereof with ethylene conducted in the presence of highly active and stereospecific new catalysts. The catalysts are obtained from the reaction of a particular Al-alkyl compound which is at least in part i ...


5
Umberto Giannini, Antonio Cassata, Paolo Longi, Romano Mazzocchi: Process for the stereospecific polymerization of alpha-olefins. Montecatini Edison S p A, August 15, 1978: US04107415 (61 worldwide citation)

Alpha-olefins C.sub.3 -C.sub.6 are polymerized stereospecifically with the aid of catalysts obtained by mixing


6
Enrico Albizzati, Pier C Barbe, Luciano Noristi, Raimondo Scordamaglia, Luisa Barino, Umberto Giannini, Giampiero Morini: Components and catalysts for the polymerization of olefins. Himont Incorporated, November 20, 1990: US04971937 (61 worldwide citation)

Solid catalyst components for the polymerization of olefins and modified with electron-donor compounds, comprising a titanium halide supported on a magnesium dihalide in active form and containing as an electron-donor compound a di- or other polyether having specific reactivity characteristics towar ...


7
Pier C Barbe, Luciano Noristi, Raimondo Scordamaglia, Luisa Barino, Enrico Albizzati, Umberto Giannini, Giampiero Morini: Catalysts for the polymerization of olefins. Himont Incorporated, December 18, 1990: US04978648 (51 worldwide citation)

Catalysts for the polymerization of olefins, particularly alpha-olefin of the formula CH.sub.2 .dbd.CHR in which R is an alkyl radical with 1-6 carbon atoms or an aryl radical, obtained by the reaction of:


8
Umberto Giannini, Antonio Cassata, Paolo Longi, Romano Mazzocchi: Process for the stereoregular polymerization of alpha-olefins. Montecatini Edison S p A, June 22, 1982: US04336360 (50 worldwide citation)

There is disclosed a process for the stereoregular polymerization of alpha-olefins or mixtures thereof with ethylene, conducted in the presence of highly active and stereospecific new catalysts. The catalysts are obtained from the reaction of a particular Al-alkyl compound which is at least in part ...


9
Umberto Giannini, Antonio Cassata, Paolo Longi, Romano Mazzocchi: Process for the stereoregular polymerization of alpha olefins. Montecanti Edison S p A, May 22, 1979: US04156063 (48 worldwide citation)

There is disclosed a process for the stereoregular polymerization of alpha olefins or mixtures thereof with ethylene, conducted in the presence of highly active and stereospecific new catalysts. The catalysts are obtained from the reaction of a particular Al-alkyl compound which is at least in part ...


10
Sandro Parodi, Roberto Nocci, Umberto Giannini, Pier C Barbe, Umerto Scata: Components and catalysts for the polymerization of olefins. Montedison S p A, July 23, 1996: US05539067 (44 worldwide citation)

Disclosed are catalysts for the polymerization of alpha-olefins which comprise the reaction product of: