White oil from waxy feed using highly selective and active...

Mineral oils: processes and products – Products and compositions

Reexamination Certificate

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C208S018000, C208S024000

Reexamination Certificate

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10897501

ABSTRACT:
A composition of white oil having a kinematic viscosity at 100° C. between about 1.5 cSt and 36 cSt, a viscosity index greater than an amount calculated by the equation: Viscosity Index=28×Ln(the Kinematic Viscosity at 100° C.)+105, less than 18 weight percent of molecules with cycloparaffin functionality, a pour point less than zero degrees C., and a Saybolt color of +20 or greater. Also, a composition of white oil having a kinematic viscosity at 100° C. between about 1.5 cSt and 36 cSt, a viscosity index greater than an amount calculated by the equation: Viscosity Index=28×Ln(the Kinematic Viscosity at 100° C.)+95, between 5 and less than 18 weight percent of molecules with cycloparaffin functionality, less than 1.2 weight percent molecules with multicycloparaffin functionality, a pour point less than zero degrees C., and a Saybolt color of +20 or greater.

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patent: 2002/0189972 (2002-12-01), Benazzi et al.
patent: 2004/0104145 (2004-06-01), Germaine
patent: PCT/WO 2005/012460 (2005-02-01), None

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