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1.Process for preparation of alpha-hydroxy-beta-alkyl-aminonaphthalene 失效
Title translation: α-羟基-β-烷基 - 氨基萘的制备方法公开(公告)号:US3194838A
公开(公告)日:1965-07-13
申请号:US17424762
申请日:1962-02-19
Applicant: POLAROID CORP
Inventor: ROSS DANIEL L
IPC: G03C8/18
CPC classification number: G03C8/18
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公开(公告)号:US3241963A
公开(公告)日:1966-03-22
申请号:US17424862
申请日:1962-02-19
Applicant: POLAROID CORP
Inventor: MILTON GREEN , MILLIGAN TERRY W , ROSS DANIEL L
IPC: G03C8/18
CPC classification number: G03C8/18
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3.Photographic products, compositions and processes utilizing 3-cyano-4-azo-5-pyrazolone dye developers 失效
Title translation: 使用3-氰基-4-偶氮-5-吡唑啉酮染料显影剂的摄影产品,组合物和方法公开(公告)号:US3309199A
公开(公告)日:1967-03-14
申请号:US24824062
申请日:1962-12-31
Applicant: POLAROID CORP
Inventor: ROSS DANIEL L
IPC: G03C8/18
CPC classification number: G03C8/18
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4.Monoazo compounds containing a dihydroxyphenyl group and a 2-amino-8-naphthol group 失效
Title translation: 含有二羟基苯基和2-氨基-8-萘酚基的单偶氮化合物公开(公告)号:US3337524A
公开(公告)日:1967-08-22
申请号:US46386265
申请日:1965-06-14
Applicant: POLAROID CORP
Inventor: MILTON GREEN , MILLIGAN TERRY W , ROSS DANIEL L
IPC: G03C8/18
CPC classification number: G03C8/18
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