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Charles Cozewith, Shiaw Ju, Gary W VerStrate: Narrow MWD alpha-olefin copolymers. Exxon Research & Engineering Co, S H Markowitz, September 10, 1985: US04540753 (177 worldwide citation)

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


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Charles Cozewith, Shiaw Ju, Gary W Verstrate: Molecular weight distribution modification in a tubular reactor. Exxon Research & Engineering Co, S H Markowitz, W G Muller, November 22, 1988: US04786697 (43 worldwide citation)

Polymodal MWD ethylene copolymer comprising at least two modes of differing molecular weights. Each mode has at least one of M.sub.w /M.sub.n of less than 2.0, and a M.sub.z /M.sub.w of less than 1.8. The polymodal character of the copolymer is achieved by either (1) withdrawing polymer modes from t ...


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Charles Cozewith, Shiaw Ju, Gary W Verstrate: Narrow MWD alpha-olefin copolymers. Exxon Research & Engineering Co, S H Markowitz, W G Muller, December 20, 1988: US04792595 (39 worldwide citation)

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


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Charles Cozewith, Shiaw Ju, Gary W Verstrate: Nodular copolymers formed of alpha-olefin copolymers coupled by non-conjugated dienes. Exxon Research & Engineering Company, S H Markowitz, J B Murray Jr, W G Muller, November 21, 1989: US04882406 (36 worldwide citation)

Nodular copolymer and method of preparing a nodular copolymer by preparing a copolymer chain and coupling it with a coupling agent. The copolymers which form the nodular copolymer are formed of first and second segments, of which the second segments, containing the coupling agent, react to form the ...


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Phillip W Brewster, Clinton R Smith, Frederick W Gowland: Glycerol esters as fuel economy additives. Exxon Research & Engineering Co, J J Mahon, S H Markowitz, J B Murray Jr, July 28, 1987: US04683069 (35 worldwide citation)

Lubricating oil compositions are disclosed exhibiting improved fuel economy which contain 0.05 to 0.2 wt. % of a glycerol partial ester of a C.sub.16 -C.sub.18 fatty acid as the fuel economy additive.


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Ronald C Kowalski: Method for making free-flowing, melt-coated rubber pellets. Exxon Research & Engineering Co, S H Markowitz, November 20, 1984: US04483886 (33 worldwide citation)

A continuous method for making free-flowing, melt-coated elastomeric pellets is disclosed in which pellets are coated with particles of coating material in a zone of interference created in a pneumatic conveying system.


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Arie Bortinger, Robert A Maggio, Wim J M Pieters: Process for synthesizing a zeolite catalyst on a pH controlled basis to improve catalyst life. Exxon Research & Engineering Co, S H Markowitz, T B Morris, February 14, 1989: US04804800 (28 worldwide citation)

A process for preparing a zeolite, e.g. ZSM-5, under controlled conditions of initial pH adjustment with an acid, SiO.sub.2 /Al.sub.2 O.sub.3 mole ratio, and in the presence of sodium cations, is disclosed, as well as a process for using the same to synthesize olefins from methanol and/or dimethyl e ...


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Sudhin Datta, Edward N Kresge: Easy processing ethylene propylene elastomers. Exxon Chemical Patents, S H Markowitz, J B Murray Jr, February 2, 1988: US04722971 (27 worldwide citation)

By selecting the composition and intermolecular compositional distribution with respect to ethylene and diene content and the molecular weight and molecular weight distribution, ethylene-propylene-diene terpolymers can have both improved processing properties and compound vulcanizate physical proper ...