-
公开(公告)号:US2519336A
公开(公告)日:1950-08-22
申请号:US66683746
申请日:1946-05-02
Applicant: STANDARD OIL DEV CO
Inventor: BEACH LELAND K , MORRELL CHARLES E
-
公开(公告)号:US2504034A
公开(公告)日:1950-04-11
申请号:US4421848
申请日:1948-08-13
Applicant: STANDARD OIL DEV CO
Inventor: MORRELL CHARLES E , BEACH LELAND K , CUNNINGHAM MARY E
IPC: C07C51/25
CPC classification number: C07C51/25 , C07C57/145
-
公开(公告)号:US2451314A
公开(公告)日:1948-10-12
申请号:US72819947
申请日:1947-02-12
Applicant: STANDARD OIL DEV CO
Inventor: BEACH LELAND K
IPC: C07C45/51
CPC classification number: C07C255/00 , C07C45/512
-
-