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

IPC: C10G67/04 ,  C10G67/14 ,  C10G13/04

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：US3926786A

公开(公告)日：1975-12-16

申请号：US42715573

申请日：1973-12-21

Applicant: TEXACO INC

Inventor： COLEMAN RICHARD L ,  CUMMINS BILLY H ,  ASHTON WILLIAM B

IPC: B01J29/26 ,  C10G45/54 ,  C10G23/02

CPC classification number: C10G45/54 ,  B01J29/26

Abstract: Improved lubricating oils are prepared by contacting the oil with a supported hydrogenation catalyst in which the support comprises alumina, mordenite in hydrogen form and halogen.

公开(公告)号：US3507785A

公开(公告)日：1970-04-21

申请号：US3507785D

申请日：1967-05-16

Applicant: NIXON ROBERTA L ,  TEXACO INC

Inventor： COOPER THOMAS A ,  COLEMAN RICHARD L ,  MORRIS HERBERT C ,  NIXON JOHN I

IPC: B01D9/00 ,  C07C7/14 ,  C10G73/06

CPC classification number: C10G73/06 ,  B01D9/0004 ,  B01D9/0059 ,  C07C7/14 ,  C07C9/00

公开(公告)号：US3476680A

公开(公告)日：1969-11-04

申请号：US3476680D

申请日：1967-11-28

Applicant: TEXACO INC

Inventor： COLEMAN RICHARD L

IPC: C10G21/20 ,  C10G21/28

CPC classification number: C10G21/20 ,  C10G21/28

公开(公告)号：US3702817A

公开(公告)日：1972-11-14

申请号：US3702817D

申请日：1970-10-06

Applicant: TEXACO INC

Inventor： CUMMINS BILLY H ,  ASHTON WILLIAM B ,  COLEMAN RICHARD L ,  ODELL NORMAN R

IPC: C10G67/04 ,  C10G41/00 ,  C10G23/02

CPC classification number: C10G67/0409

Abstract: LUBE OILS OF IMPROVED VISCOSITY INDEX ARE PRODUCED IN GOOD YIELD BY SUBJECTING A LUBE OIL CHARGE STOCK TO SOLVENT EXTRACTION, HYDROREFINING THE AROMATIC-RICH EXTRACT, RECOMBINING THE HYDROREFINED EXTRACT WITH THE FEED OR THE RAFFINATE AND THEN DEWAXING.

公开(公告)号：US3684684A

公开(公告)日：1972-08-15

申请号：US3684684D

申请日：1970-04-13

Applicant: TEXACO INC

Inventor： COLEMAN RICHARD L ,  CUMMINS BILLY H ,  ASHTON WILLIAM B

IPC: C10G45/08 ,  C10G45/64 ,  C10G65/04 ,  C10G67/04 ,  C10G41/00 ,  C10G23/02

CPC classification number: C10G45/08 ,  C10G2400/10

Abstract: LUBRICATING OILS STABLE TO ULTRA-VIOLET LIGHT AND HAVING IMPROVED COLOR AND VISCOSITY INDEX ARE PREPARED BY SEVERE HYDROGENATION, DEWAXING AND CLAY CONTACTING LUBRICATING OIL FRACTIONS.