1
Henry W Yang, Jo Ann M Canich, Gary F Licciardi: Thermoplastic elastomers. Exxon Chemical Patents, Jaimes Sher, Catherine L Bell, July 23, 1996: US05539056 (164 worldwide citation)

This invention relates to polypropylene blends, particularly blends of high molecular weight amorphous polypropylene with low molecular weight isotactic polypropylene. These blends exhibit unusual elastomeric properties.


2
Jo Ann M Canich, Henry W Yang, Gary F Licciardi: Process to produce thermoplastic elastomers. Exxon Chemical Patents, Catherine L Bell, Jaimes Sher, May 14, 1996: US05516848 (100 worldwide citation)

This invention relates to polypropylene blends, particularly blends of high molecular weight amorphous polypropylene with lower molecular weight isotactic polypropylene. These blends exhibit unusual elastomeric properties.


3
Patrick Brant, Jo Ann M Canich: Ethylene/longer .alpha.-olefin copolymers. Exxon Chemical Patents, Tom F Pruitt, Myron B Kurtzman, Catherine L Bell, December 12, 1995: US05475075 (71 worldwide citation)

High molecular weight linear copolymers of ethylene and 1-50 mole percent linear .alpha.-olefins having from 10 to 100 carbon atoms are disclosed. The polymers have M.sub.w of 30,000-1,000,000, MWD of 2-4, a density of 0.85-0.95 g/cm.sup.3, and a high composition distribution breadth index. Also dis ...


4
Mun F Tse, Aspy K Mehta, Vince L Hughes: Elastomeric ethylene copolymers for hot melt adhesives. Exxon Chemical Patents, Myron B Kurtzman, Catherine L Bell, Frank E Reid, June 25, 1996: US05530054 (58 worldwide citation)

Disclosed are hot melt adhesives comprising ethylene/alpha-olefin copolymers prepared with either supported or unsupported metallocene-alumoxane catalysts for applications in hot melt adhesives used in automotive product assembly, packaging and food packaging. These ethylene copolymers have weight a ...


5
Palanisamy Arjunan, Roma B Kusznir: Compatibilization of dissimilar elastomer blends using ethylene/acrylate/acrylic acid terpolymers. Exxon Chemical Patents, Catherine L Bell, January 25, 1994: US05281651 (58 worldwide citation)

This invention relates to a compatibilized rubber composition and a process for compatibilizing dissimilar rubber blends comprising blending an ethylene/acrylate/acrylic acid terpolymer with 2 or more different rubbers, selected from the group including, but not limited to, EPR, EPDM, CR, NBR, SBR a ...


6
Mun F Tse, Virginia R Cross, Barry C Trudell: Blends of ethylene copolymers for hot melt adhesives. Exxon Chemical Patents, Catherine L Bell, Frank E Reid, August 20, 1996: US05548014 (52 worldwide citation)

Disclosed are hot melt adhesives comprising tackifier and a high M.sub.w, narrow MWD, narrow CD ethylene/alpha-olefin copolymer(s) and a low M.sub.w, narrow MWD, narrow MWD ethylene/alpha-olefin copolymer prepared with either supported or unsupported cyclopentadienyl derivatives of Group IV and cata ...


7
Louis P Land, Angelo A Montagna, Kenneth W Bartz, Aspy K Mehta: Plastomer compatibilized polyethylene/polypropylene blends. Exxon Chemical Patents, Catherine L Bell, Myron B Kurtzman, November 30, 1993: US05266392 (51 worldwide citation)

Compatibilized blends of polypropylene, linear low density polyethylene and a low molecular weight plastomer are disclosed. The blend preferably contains at least about 50 percent by weight of crystalline polypropylene, from about 10 to about 50 percent by weight of LLDPE dispersed in a matrix of th ...


8
Timothy D Shaffer: Carbocationic catalysts and process for using said catalysts. Exxon Chemical Patents, Catherine L Bell, April 9, 1996: US05506316 (50 worldwide citation)

A living carbocationic catalyst composition comprising an initiator of a tertiary alkyl halide, a tertiary aralkyl halide or polymeric halide a co-initiator of a methylaluminum or methylboron compound, and a solvent medium with a dielectric constant between 2.5 and 7 is used to produce narrow molecu ...


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Rex E Murray, Simon Mawson, Clark C Williams, James D Schreck: Olefin polymerization catalyst. Univation Technologies, Jaimes Sher, Lisa Kimes Jones, Catherine L Bell, November 20, 2001: US06320002 (48 worldwide citation)

This invention relates to a process to polymerize olefins comprising contacting an olefin with a composition comprising the product of the combination of an activator and a transition metal compound provided that if the process occurs in the slurry phase then the activator and the transition metal c ...