1
Ewen John Alexander, Welborn Howard Curtis Jr: Process and catalyst for polyolefin density and molecular weight control.. Exxon Research Engineering Co, December 27, 1984: EP0129368-A1 (417 worldwide citation)

Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) and an alumoxane are employed in a process of producing polyolefins of controlled molecular weight.


2
John A Ewen, Howard C Welborn Jr: Process and catalyst for producing polyethylene having a broad molecular weight distribution. Exxon Research & Engineering Co, M B Kurtzman, July 23, 1985: US04530914 (276 worldwide citation)

Polyolefins having a broad molecular weight distribution are obtained by polymerizing ethylene or higher alpha-olefins in the presence of a catalyst system comprising two or more metallocenes each having different propagation and termination rate constants and alumoxane.


3
Charles Cozewith, Shiaw Ju, Gary W VerStrate: Narrow MWD alpha-olefin copolymers. Exxon Research & Engineering Co, S H Markowitz, September 10, 1985: US04540753 (173 worldwide citation)

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


4
Guido Sartori, Frederic Leder: Process for removing carbon dioxide containing acidic gases from gaseous mixtures using aqueous amine scrubbing solutions. Exxon Research & Engineering Co, Albert P Halluin, September 5, 1978: US04112052 (133 worldwide citation)

Carbon dioxide containing acidic gases are substantially removed from a normally gaseous mixture by a process comprising contacting the normally gaseous mixture with an aqueous amine solution, wherein at least one of the amines is a sterically hindered amine. The process is operated at a thermodynam ...


5
Guido Sartori, Frederic Leder: Process and amine-solvent absorbent for removing acidic gases from gaseous mixtures. Exxon Research & Engineering Co, Albert P Halluin, September 5, 1978: US04112051 (129 worldwide citation)

Acidic gases are substantially removed from a normally gaseous mixture by a process comprising contacting the normally gaseous mixture with an amine-solvent liquid absorbent comprising (i) an amine comprised of at least about 50 mol % of a sterically hindered amine, and (ii) a solvent for said amine ...


6
Ricardo Bloch, Thomas J McCrary Jr, Darrell W Brownawell: Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions. Exxon Research & Engineering Co, Frank T Johmann, May 14, 1985: US04517104 (127 worldwide citation)

Oil soluble viscosity index improving ethylene copolymers, such as copolymers of ethylene and propylene; and ethylene, propylene and diolefin; etc., are reacted or grafted with ethylenically unsaturated carboxylic acid moieties, preferably maleic anhydride moieties, and reacted with polyamines havin ...


7
Harry W Deckman, Horst Witzke, Christopher Wronski: Realization of a thin film solar cell with a detached reflector. Exxon Research & Engineering Co, Ronald D Hantman, February 5, 1985: US04497974 (126 worldwide citation)

The present invention is an optically enhanced solar cell having a detached reflector. The optically enhanced solar cell includes a semiconductor material bounded on each side by transparent electrical contacts and an optional antireflection coating with the surface of at least one of these layers b ...


8
Nicholas Feldman: Combination of ethylene polymer, polymer having alkyl side chains, and nitrogen containing compound to improve cold flow properties of distillate fuel oils. Exxon Research & Engineering Co, Frank T Johmann, July 8, 1980: US04211534 (121 worldwide citation)

Oil soluble combinations of (A) ethylene polymer or copolymer, (B) a second polymer having alkyl side chains of 6 to 30 carbon atoms, and derived from carboxylic acid esters and/or olefins, and (C) nitrogen compounds, such as amides, amine salts and ammonium salts, of carboxylic acids or anhydrides, ...


9
Guido Sartori, Frederic Leder: Process for removing carbon dioxide containing acidic gases from gaseous mixtures using a basic salt activated with a hindered amine. Exxon Research & Engineering Co, Albert P Halluin, September 5, 1978: US04112050 (117 worldwide citation)

Carbon dioxide containing acidic gases are removed from a normally gaseous mixture by a process comprising contacting the normally gaseous mixture with an aqueous solution comprising (a) a basic alkali metal salt or hydroxide and (b) an activator for said basic salt or alkali metal salt or hydroxide ...


10
John B Gardiner, James Zielinski, Robert L Elliott, Stanley J Brois: Stabilized imide graft of ethylene copolymeric additives for lubricants. Exxon Research & Engineering Co, Roland A Dexter, Frank T Johmann, January 30, 1979: US04137185 (113 worldwide citation)

Oil-soluble, derivatized ethylene copolymers derived from about 2 to 98 wt. % ethylene, and one or more C.sub.3 to C.sub.28 alpha-olefins, e.g. propylene, which are grafted, preferably solution-grafted under an inert atmosphere and at elevated temperatures and in the presence of a high-temperature d ...



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