Method of preparing base stocks for lubricating oil

Details Method of preparing base stocks for lubricating oil Method of preparing base stocks for lubricating oil

1978-05-19

1979-06-05

Levine, Herbert

Mineral oils: processes and products

Refining

With hydrogen

208 18, 208 19, C10G 2300, C10G 3400

Patent

active

041572947

ABSTRACT:
Base stocks for lubricating oil with excellent thermal stability are produced by hydrofinishing a mixture consisting of 10 to 60 percent by volume of a neutralized extract and 90 to 40 percent by volume of an unextracted intermediate distillate product of low total acid value, in which the neutralized extract is prepared by alkaline treating and vacuum distillation of a extract obtained by solvent extraction of said intermediate distillate product by a solvent having affinity for aromatic compounds.

REFERENCES:
patent: 3093576 (1963-06-01), Campbell
patent: 3303125 (1967-02-01), Marter et al.

Affiliated with

Also associated with

Rating

Method of preparing base stocks for lubricating oil does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of preparing base stocks for lubricating oil, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of preparing base stocks for lubricating oil will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1707405