-
公开(公告)号:US2163087A
公开(公告)日:1939-06-20
申请号:US14449837
申请日:1937-05-24
Applicant: PHILIPS NV
Inventor: DE BOER JAN HENDRIK
IPC: G11B11/00
CPC classification number: G11B11/00
-
公开(公告)号:US2107352A
公开(公告)日:1938-02-08
申请号:US6801536
申请日:1936-03-10
Applicant: PHILIPS NV
Inventor: CORNELIS TEVES MARTEN , DE BOER JAN HENDRIK
-
33.Method of obtaining photographic contrasts by means of diazonium compounds 失效
Title translation: 通过重氮化合物获得照相对比度的方法公开(公告)号:US1973788A
公开(公告)日:1934-09-18
申请号:US64212432
申请日:1932-11-10
Applicant: PHILIPS NV
Inventor: HENDRIK ALINK REOLOF JAN , DE BOER JAN HENDRIK
IPC: G03C1/52
CPC classification number: G03C1/52 , Y10S430/14
-
公开(公告)号:US1891124A
公开(公告)日:1932-12-13
申请号:US35916429
申请日:1929-04-29
Applicant: PHILIPS NV
Inventor: ARKEL ANTON EDUARD VAN , DE BOER JAN HENDRIK , WILHELMUS KOOPMAN
IPC: C23C16/14
CPC classification number: C23C16/14 , Y10S428/936 , Y10S428/938
-
35.
公开(公告)号:US1797131A
公开(公告)日:1931-03-17
申请号:US36099329
申请日:1929-05-06
Applicant: PHILIPS NV
Inventor: DE BOER JAN HENDRIK
IPC: C22B26/00
CPC classification number: C22B26/00
-
公开(公告)号:US1771557A
公开(公告)日:1930-07-29
申请号:US74448724
申请日:1924-10-18
Applicant: PHILIPS NV
Inventor: DE BOER JAN HENDRIK
IPC: C01G25/02
CPC classification number: C01G25/02
-
公开(公告)号:US1671213A
公开(公告)日:1928-05-29
申请号:US9425326
申请日:1926-03-12
Applicant: PHILIPS NV
Inventor: ARKEL ANTON EDUARD VAN , DE BOER JAN HENDRIK
-
公开(公告)号:US1624162A
公开(公告)日:1927-04-12
申请号:US3835925
申请日:1925-06-19
Applicant: PHILIPS NV
Inventor: DE BOER JAN HENDRIK
CPC classification number: C22B3/0032 , C01G25/003 , C01G27/003 , C22B3/0009 , C22B3/0097 , Y02P10/234
-
公开(公告)号:US1582860A
公开(公告)日:1926-04-27
申请号:US73030024
申请日:1924-08-05
Applicant: PHILIPS NV
Inventor: ARKEL ANTON EDUARD VAN , DE BOER JAN HENDRIK
IPC: C01G25/04
CPC classification number: C01G25/04
-
-
-
-
-
-
-
-