Inventors:
John Michael Rosenbaum - Richmond CA, US
Brent K. Lok - San Francisco CA, US
Kathy Ann Helling - Sebastopol CA, US
Steven Lee - Walnut Creek CA, US
Ryan Joseph Schexnaydre - Lafayette LA, US
Susan Marjorie Abernathy - Hercules CA, US
Assignee:
Chevron U.S.A. Inc. - San Ramon CA
International Classification:
C10M 169/04
Abstract:
We provide a base stock comprising hydrocarbons with consecutive numbers of carbon atoms, wherein the base stock has a boiling range from 388 to 538° C., a VI from 105 to less than 130, and a Noack volatility from 5 to 11.5 wt % or a CCS VIS at −25° C. from 2000 to 4000 mPa·s. We also provide a base stock slate comprising the base stock and an additional base stock having an additional boiling range from 371 to 496° C. and other properties.