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1.发明授权Photographic products, compositions and processes utilizing azonaphthol dye developers 失效使用偶氮萘酚染料显影剂的摄影产品，组合物和方法
公开(公告)号：US3297441A
公开(公告)日：1967-01-10
申请号：US26235863
申请日：1963-03-04
Applicant: POLAROID CORP
Inventor： MILTON GREEN , MOORE PHYLIS T
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公开(公告)号：US3256269A
公开(公告)日：1966-06-14
申请号：US26235663
申请日：1963-03-04
Applicant: POLAROID CORP
Inventor： MOORE PHYLIS T
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公开(公告)号：US3923821A
公开(公告)日：1975-12-02
申请号：US39525473
申请日：1973-09-07
Applicant: POLAROID CORP
Inventor： MOORE PHYLIS T
IPC: C07D213/22 , C08G73/00
CPC classification number: C07D213/22 , C08G73/00
Abstract: Novel viologen salts useful as monomers and in variable density light-filtering devices are provided which are represented by the formula:
WHEREIN R1 is propylene or a straight-chain alkylene group having 6 to 12 carbon atoms in the chain; R2 is -H or a hydrocarbon group having 1 to 6 carbon atoms; and X is an anion.Abstract translation: 提供用作单体和可变密度光过滤装置的新型紫罗兰盐，其由下式表示：
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4.发明授权Monoazo dyes containing a dihydroxyphenyl containing alpha-carbamylethoxy-1-naphthol moiety 失效含有含有α-氨基甲酰乙氧基-1-萘酚部分的二羟基苯基的单偶氮染料
公开(公告)号：US3365441A
公开(公告)日：1968-01-23
申请号：US59429766
申请日：1966-09-06
Applicant: POLAROID CORP
Inventor： MILTON GREEN , MOORE PHYLIS T
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