-
Patent Agency Ranking
公开(公告)号：US1930503A
公开(公告)日：1933-10-17
申请号：US34184529
申请日：1929-02-21
Applicant: GEN ZEOLITE COMPANY
Inventor： SIDNEY BEHRMAN ABRAHAM
IPC: C01B33/46
CPC classification number: C01B33/46
-
公开(公告)号：US1819354A
公开(公告)日：1931-08-18
申请号：US29987128
申请日：1928-08-15
Applicant: GEN ZEOLITE COMPANY
Inventor： SIDNEY BEHRMAN ABRAHAM
CPC classification number: B01J21/08 , B01J20/103 , B01J20/12 , B01J21/00
-
公开(公告)号：US1895121A
公开(公告)日：1933-01-24
申请号：US37173529
申请日：1929-06-17
Applicant: GEN ZEOLITE COMPANY
Inventor： SIDNEY BEHRMAN ABRAHAM
CPC classification number: C01B33/46
-
公开(公告)号：US1756275A
公开(公告)日：1930-04-29
申请号：US36558129
申请日：1929-05-23
Applicant: GEN ZEOLITE COMPANY
Inventor： SIDNEY BEHRMAN ABRAHAM
IPC: B01J39/02
CPC classification number: B01J39/02
-
公开(公告)号：US1755496A
公开(公告)日：1930-04-22
申请号：US4689025
申请日：1925-07-29
Applicant: GEN ZEOLITE COMPANY
Inventor： SIDNEY BEHRMAN ABRAHAM
IPC: C01B33/46
CPC classification number: C01B33/46
-
-
-
-
Search Results
5
records
(took 0.01 seconds)
