-
公开(公告)号:US2404607A
公开(公告)日:1946-07-23
申请号:US44156542
申请日:1942-05-02
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L , DEVANEY LAWRENCE W
CPC classification number: C07C1/325 , C07C1/26 , Y10S585/931
-
-
公开(公告)号:US2415716A
公开(公告)日:1947-02-11
申请号:US31194339
申请日:1939-12-30
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L
IPC: B01J27/06
CPC classification number: B01J27/06
-
公开(公告)号:US2406721A
公开(公告)日:1946-08-27
申请号:US49418743
申请日:1943-07-10
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L
IPC: C07C5/27
CPC classification number: C07C5/2721 , C07C5/2789 , C07C9/12
-
-
公开(公告)号:US2307434A
公开(公告)日:1943-01-05
申请号:US31762740
申请日:1940-02-07
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L
-
公开(公告)号:US2394412A
公开(公告)日:1946-02-05
申请号:US48560443
申请日:1943-05-04
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L
CPC classification number: B01J27/06 , C07C2/54 , C07C5/2253 , C07C5/2789 , C07C2527/125 , C07C9/12
-
公开(公告)号:US2337432A
公开(公告)日:1943-12-21
申请号:US42574942
申请日:1942-01-06
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L
IPC: B01J27/06
-
公开(公告)号:US2301913A
公开(公告)日:1942-11-17
申请号:US31375940
申请日:1940-01-13
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L
CPC classification number: C10G35/06 , B01J27/06 , B01J27/1802
-
公开(公告)号:US2286129A
公开(公告)日:1942-06-09
申请号:US35009740
申请日:1940-08-02
Applicant: TEXAS CO
Inventor: VELTMAN PRESTON L
IPC: B01J27/06
CPC classification number: B01J27/06
-
-
-
-
-
-
-
-
-