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公开(公告)号:US2139689A
公开(公告)日:1938-12-13
申请号:US8001636
申请日:1936-05-15
Applicant: DU PONT FILM MFG CORP
Inventor: MARTIN MARASCO , MIDDLETON EDMUND B
IPC: G03C1/89
CPC classification number: G03C1/89
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12.Photographic composition containing arylides of n-heterocyclic acylacetic acids and process of developing photographic images therewith 失效
Title translation: 包含正杂环酰基乙酸的芳基化物的摄影组合物和与其相互影像的方法公开(公告)号:US2283276A
公开(公告)日:1942-05-19
申请号:US25281839
申请日:1939-01-25
Applicant: DU PONT
Inventor: MIDDLETON EDMUND B , JENNINGS ANDREW B
IPC: G03C7/36
CPC classification number: G03C7/36
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公开(公告)号:US2270378A
公开(公告)日:1942-01-20
申请号:US17411437
申请日:1937-11-11
Applicant: DU PONT FILM MFG CORP
Inventor: MIDDLETON EDMUND B , JENNINGS ANDREW B
IPC: C09B23/06
CPC classification number: C09B23/06
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公开(公告)号:US2255077A
公开(公告)日:1941-09-09
申请号:US19731038
申请日:1938-03-21
Applicant: DU PONT FILM MFG CORP
Inventor: MIDDLETON EDMUND B
CPC classification number: C09B23/10 , C09B23/145 , G03C1/832
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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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公开(公告)号:US2200924A
公开(公告)日:1940-05-14
申请号:US21570338
申请日:1938-06-24
Applicant: DU PONT FILM MFG CORP
Inventor: JENNINGS ANDREW B , MIDDLETON EDMUND B
IPC: G03C7/384
CPC classification number: G03C7/384
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公开(公告)号:US2182815A
公开(公告)日:1939-12-12
申请号:US24211238
申请日:1938-11-23
Applicant: DU PONT FILM MFG CORP
Inventor: MIDDLETON EDMUND B , JENNINGS ANDREW B
IPC: G03C7/36
CPC classification number: G03C7/36
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公开(公告)号:US2430845A
公开(公告)日:1947-11-11
申请号:US46841842
申请日:1942-12-09
Applicant: DU PONT
Inventor: MIDDLETON EDMUND B
IPC: C09B23/06
CPC classification number: C09B23/06
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