Exxonmobil Chemical Patents Inc.

Exxonmobil Research and Engineering Company

Robert R Simpson

Jack Wayne Johnson

Smita Kacker

Eric Bart Sirota

Robert P Reynolds

Gary L Casty

Murielle V Scott

Steven L Hegwood

Gary Lee Casty

Stephen Lloyd Hegwood

Murielle N Valet

Extra heavy lube base stocks are separated from heavy lube oils with a polar solvent in an amount sufficient to form a first light phase and a second heavy phase. The phases are then separated and the solvent is removed from the second heavy phase to yield an extra heavy lube.

Production of extra-heavy lube oils from Fischer-Tropsch wax

This invention relates to supported activators comprising the product of the combination of an ion-exchange layered silicate, an organoaluminum compound, and a heterocyclic compound, which may be substituted or unsubstituted. This invention further relates to catalyst systems comprising catalyst compounds and such activators, as well as processes to polymerize unsaturated monomers using the supported activators. For the purposes of this patent specification and the claims thereto, the term 'activator' is used interchangeably with the term 'co-catalyst', the term &#x201c;catalyst&#x201d; refers to a metal compound that when combined with an activator polymerizes olefins, and the term &#x201c;catalyst system&#x201d; refers to the combination of a catalyst and an activator with or without a support. The terms &#x201c;support&#x201d; or &#x201c;carrier&#x201d;, for purposes of this patent specification, are used interchangeably and are any ion-exchange layered silicates.

Supported activator

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Scotch Plains, NJ, United States of America

Robert R Simpson