1
Charles Cozewith, Gary William Ver Strate, Roger K West, Gaetano A Capone: Ethylene .alpha.-olefin block copolymers and methods for production thereof. Exxon Chemical Patents, Douglas W Miller, March 31, 1998: US05733980 (75 worldwide citation)

This invention relates to block polymers containing both crystalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin and is generally crystalline. The B block contains an ethylene, ...


2
Gary Ver Strate, Ricardo Bloch, Mark J Struglinski, John E Johnston, Roger K West: Viscosity modifier polymers. Exxon Chemical Patents, J B Murray Jr, February 14, 1989: US04804794 (63 worldwide citation)

The present invention relats to novel copolymers of alpha-olefins comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains.


3
Charles Cozewith, Gary William Ver Strate, Roger K West, Gaetano A Capone: Ethylene-alpha olefin block copolymers and methods for production thereof. Exxon Chemical Patents, Douglas W Miller, August 25, 1998: US05798420 (61 worldwide citation)

This invention relates to block polymers containing both crystalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin and optionally a non-conjugated diene, and is generally crystal ...


4
Gary Ver Strate, Ricardo Bloch, Mark J Struglinski, John E Johnston, Roger K West: Viscosity modifier polymers (E-98). Exxon Chemical Patents, J B Murray Jr, M B Kapustij, February 13, 1990: US04900461 (30 worldwide citation)

The present invention relates to novel copolymers of alpha-olefins comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains.


5
Neil F Newman, Robert Roper, Roger K West: Continuous process for the preparation of bromochlorinated butyl rubber. Exxon Research & Engineering Co, Harvey L Cohen, March 3, 1981: US04254240 (5 worldwide citation)

A solution of butyl rubber in an inert solution such as n-hexane is halogenated in a continuous process using bromine chloride vapor and high intensity mixing means for both the halogenation and subsequent neutralization steps. Adjustment of the mole ratio of bromine chloride to isoprene, where an i ...