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公开(公告)号:US2230257A
公开(公告)日:1941-02-04
申请号:US14004637
申请日:1937-04-30
Applicant: DU PONT FILM MFG CORP
Inventor: MIDDLETON EDMUND B , DAWSON GEORGE A
IPC: C09B23/04
CPC classification number: C09B23/04
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公开(公告)号:US2202990A
公开(公告)日:1940-06-04
申请号:US12995837
申请日:1937-03-09
Applicant: DU PONT FILM MFG CORP
Inventor: MIDDLETON EDMUND B , DAWSON GEORGE A
IPC: C09B23/04
CPC classification number: C09B23/04
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3.Silver halide emulsions sensitized with cyanine dyes containing a benzothiophenothiazole nucleus 失效
Title translation: 用含有苯并噻吩噻唑核的花青染料敏化的卤化银乳剂公开(公告)号:US2424484A
公开(公告)日:1947-07-22
申请号:US54089844
申请日:1944-06-17
Applicant: DU PONT
Inventor: MIDDLETON EDMUND B , DAWSON GEORGE A
IPC: G03C1/14
CPC classification number: G03C1/14
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4.
公开(公告)号:US2424483A
公开(公告)日:1947-07-22
申请号:US46605642
申请日:1942-11-18
Applicant: DU PONT
Inventor: MIDDLETON EDMUND B , DAWSON GEORGE A
IPC: C09B23/06
CPC classification number: C09B23/06
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5.Process of color forming development and photographic compositions containing color forming compounds 失效
Title translation: 成色发展的方法和含有成色化合物的照相组合物-
公开(公告)号:US2263245A
公开(公告)日:1941-11-18
申请号:US23145038
申请日:1938-09-23
Applicant: DU PONT FILM MFG CORP
Inventor: MIDDLETON EDMUND B , DAWSON GEORGE A
IPC: C09B23/04
CPC classification number: C09B23/04
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公开(公告)号:US2079376A
公开(公告)日:1937-05-04
申请号:US60129032
申请日:1932-03-25
Applicant: DU PONT FILM MFG CORP
Inventor: MIDDLETON EDMUND B , DAWSON GEORGE A
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公开(公告)号:US2339094A
公开(公告)日:1944-01-11
申请号:US30129639
申请日:1939-10-25
Applicant: DU PONT
Inventor: MIDDLETON EDMUND B , DAWSON GEORGE A
IPC: C07D293/12 , C09B23/02
CPC classification number: C09B23/02 , C07D293/12
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公开(公告)号:US2335972A
公开(公告)日:1943-12-07
申请号:US35009240
申请日:1940-08-02
Applicant: DU PONT
Inventor: SEASE VIRGIL B , DAWSON GEORGE A
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10.
公开(公告)号:US2148441A
公开(公告)日:1939-02-28
申请号:US70904834
申请日:1934-01-30
Applicant: DU PONT FILM MFG CORP
Inventor: DAWSON GEORGE A , MIDDLETON EDMUND B
IPC: C09B23/02
CPC classification number: C09B23/02
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