-
公开(公告)号:US2827173A
公开(公告)日:1958-03-18
申请号:US64915757
申请日:1957-03-28
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR
IPC: B01D17/00
CPC classification number: B01D17/005
-
公开(公告)号:US2720976A
公开(公告)日:1955-10-18
申请号:US27373852
申请日:1952-02-27
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR
CPC classification number: B01D17/005
-
公开(公告)号:US2723034A
公开(公告)日:1955-11-08
申请号:US27118352
申请日:1952-02-12
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR
IPC: B01D17/00
CPC classification number: B01D17/005
-
公开(公告)号:US2720977A
公开(公告)日:1955-10-18
申请号:US27373952
申请日:1952-02-27
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR
IPC: B01D17/00
CPC classification number: B01D17/005
-
公开(公告)号:US2720975A
公开(公告)日:1955-10-18
申请号:US27373752
申请日:1952-02-27
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR , SEELBACH CHARLES W , DAVID FRAZIER
CPC classification number: B01D17/005
-
6.Separation of helium from a gaseous mixture by means of a novel selective diffusion barrier 失效
Title translation: 通过新的选择性扩散屏障从气体混合物中分离出氦气公开(公告)号:US3135591A
公开(公告)日:1964-06-02
申请号:US5464760
申请日:1960-09-08
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR
IPC: B01D53/22
CPC classification number: B01D53/22 , B01D63/06 , B01D2313/22 , B01D2319/04
-
7.High viscosity index, low viscosity, low volatility motor oil 失效
Title translation: 高粘度指数,低粘度,低挥发性机油公开(公告)号:US2996455A
公开(公告)日:1961-08-15
申请号:US63106456
申请日:1956-12-28
Applicant: STANDARD OIL CO
Inventor: BROWN GLENN R , LETCHER JONES ARTHUR
IPC: C10G31/06 , C10M169/00
CPC classification number: C10G31/06 , C10M1/08 , C10M2203/10 , C10M2203/102 , C10M2205/026 , C10M2205/04 , C10M2209/084 , C10M2217/023 , C10N2240/00 , C10N2240/201 , C10N2240/202 , C10N2240/22 , C10N2240/30 , C10N2240/50 , C10N2240/52 , C10N2240/54 , C10N2240/56 , C10N2240/58 , C10N2240/60 , C10N2240/66
-
公开(公告)号:US2723033A
公开(公告)日:1955-11-08
申请号:US27118152
申请日:1952-02-12
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR , FAY PHILIP S
CPC classification number: B01D17/005
-
公开(公告)号:US2790660A
公开(公告)日:1957-04-30
申请号:US37997453
申请日:1953-09-14
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR
CPC classification number: F16J15/064
-
公开(公告)号:US2720979A
公开(公告)日:1955-10-18
申请号:US42080854
申请日:1954-04-05
Applicant: STANDARD OIL CO
Inventor: LETCHER JONES ARTHUR
CPC classification number: B01D17/005
-
-
-
-
-
-
-
-
-