1
B Joseph Scheve, John W Mayfield, Anthony J DeNicola Jr: High melt strength, propylene polymer, process for making it, and use thereof. HIMONT Incorporated, April 10, 1990: US04916198 (111 worldwide citation)

Disclosed is a normally solid, high molecular weight, gel-free, amorphous to predominantly crystalline, propylene polymer characterized by high melt strength due to strain hardening which is believed to be caused by free-end long chain branches of the molecular chains forming the polymer.


2
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.


3
Anthony J DeNicola Jr: Process for making a propylene polymer with free-end long chain branching and use thereof. HIMONT Incorporated, September 10, 1991: US05047485 (71 worldwide citation)

Disclosed is a process for making a normally solid, gel-free, amorphous to predominantly crystalline, propylene polymer material having free-end branches of propylene units and strain hardening elongational viscosity by peroxide decomposition of the propylene polymer material in the substantial abse ...


4
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 ...


5
Anthony J DeNicola Jr, Jeanine A Smith, Massimo Felloni: High melt strength, propylene polymer, process for making it, and use thereof. Himont Incorporated, May 9, 1995: US05414027 (59 worldwide citation)

Disclosed is a normally solid, high molecular weight, non-linear, substantially gel-free, propylene polymer material characterized by high melt strength due to strain hardening which is believed to be caused by free-end long chain branches of the molecular chains forming the polymer.


6
Kumar Ogale: Olefin polymer films. Himont Incorporated, May 18, 1993: US05212246 (55 worldwide citation)

Disclosed are films or sheets comprising an olefin polymer composition which is comprised of


7
Dominic A Berta: Thermoplastic elastomer of propylene polymer material and crosslinked ethylene-propylene rubber. Himont Incorporated, August 14, 1990: US04948840 (53 worldwide citation)

Disclosed is a dynamically partially cured thermoplastic elastomer comprising a propylene polymer material, an amorphous ethylene-propylene copolymer rubber, a semi-crystalline, low density, essentially linear ethylene-propylene copolymer and a curing system containing 1,2-polybutadiene and an organ ...


8
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 (50 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:


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Anthony J DeNicola Jr: Thermal treatment of irradiated propylene polymer material. Himont Incorporated, September 10, 1991: US05047446 (47 worldwide citation)

Disclosed is a method of treating a free-radical-containing, optionally room-temperature-aged, irradiated, normally solid high-molecular-weight, semi-crystalline propylene polymer material at about from 40.degree. C. to 110.degree. C. for at least about 10 minutes before being exposed to the higher ...