-
公开(公告)号:US3896025A
公开(公告)日:1975-07-22
申请号:US37024673
申请日:1973-06-15
Applicant: TEXACO INC
Inventor: COLEMAN RICHARD L , CUMMINS BILLY H , STARTZ AMBROSE J
CPC classification number: C10G67/0445 , C10G2400/10
Abstract: Lube oils of improved viscosity index are produced by subjecting a crude lubricating oil to hydrocracking, selectively fractionating the hydrocracked product to yield a product having the desired flash point and viscosity and recycling the fractionator bottoms to the hydrocracking zone.
Abstract translation: 改善粘度指数的润滑油是通过对粗润滑油进行加氢裂化,选择性分馏加氢裂化产物以产生具有所需闪点和粘度的产物,并将分馏塔底部再循环至加氢裂化区来生产的。
-
公开(公告)号:US3548017A
公开(公告)日:1970-12-15
申请号:US3548017D
申请日:1968-09-25
Applicant: TEXACO INC
Inventor: HEBERT GAYLE P , PERCIFUL JERRY C , STARTZ AMBROSE J , GRISWOLD HALSEY E
CPC classification number: C07C15/08 , C07C5/2702 , C07C5/2732 , C07C7/005 , Y10S585/90 , Y10S585/901 , Y10S585/905 , Y10S585/95
-