-
公开(公告)号:US3373876A
公开(公告)日:1968-03-19
申请号:US54966266
申请日:1966-05-12
Applicant: DOW CHEMICAL CO
Inventor: STEWART RICHARD D
CPC classification number: B01D65/08 , A61M1/3621 , B01D63/02 , B01D2321/02
-
公开(公告)号:US2910980A
公开(公告)日:1959-11-03
申请号:US66027757
申请日:1957-05-20
Applicant: DOW CHEMICAL CO
Inventor: STEWART RICHARD D
IPC: A61F11/08
CPC classification number: A61F11/08
-