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公开(公告)号:US3003876A
公开(公告)日:1961-10-10
申请号:US68062057
申请日:1957-08-27
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , COHEN SAUL G , SIMON MYRON S
CPC classification number: C10L1/2235 , G03C5/3021 , G03C8/06
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32.Process of washing and protecting photographic silver images, and photographic products thereof 失效
Title translation: 洗涤和保护照相银图像的方法及其照相产品公开(公告)号:US2956877A
公开(公告)日:1960-10-18
申请号:US61382356
申请日:1956-10-04
Applicant: POLAROID CORP
Inventor: LAND EDWIN H , BLOUT ELKAN R , HAAS HOWARD C
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33.1, 1-difluoro-2, 2-dimethylethylene and its preparation 失效
Title translation: 1,1-二氟-2,2-二甲基乙烯及其制备方法公开(公告)号:US2852573A
公开(公告)日:1958-09-16
申请号:US40010653
申请日:1953-12-23
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , COHEN SAUL G , CORLEY RICHARD S , SIMON MYRON S
IPC: C07C21/18
CPC classification number: C07C21/18
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公开(公告)号:US2624239A
公开(公告)日:1953-01-06
申请号:US7924449
申请日:1949-03-02
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , CAMPBELL JOHN E , CORLEY RICHARD S , SNOW PATRICIA L
IPC: G02B5/22
CPC classification number: G02B5/223 , Y10T428/3192
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35.Light filter transparent to infrared radiation and opaque to visible light 失效
Title translation: 光过滤器对红外辐射透明,对可见光不透明公开(公告)号:US2525638A
公开(公告)日:1950-10-10
申请号:US65215746
申请日:1946-03-05
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , AMON JR WILLIAM F
IPC: G02B5/22
CPC classification number: G02B5/223 , Y10T428/261
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公开(公告)号:US2431909A
公开(公告)日:1947-12-02
申请号:US69581846
申请日:1946-09-09
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , CORLEY RICHARD S
IPC: C07C311/15
CPC classification number: C07C311/15
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公开(公告)号:US3429872A
公开(公告)日:1969-02-25
申请号:US3429872D
申请日:1965-11-03
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , COHEN SAUL G , GREEN MILTON , SIMON MYRON S
IPC: B01F17/00 , C09B1/28 , C09B39/00 , C09B43/18 , C09B69/00 , C23C14/22 , G03C8/00 , G03C8/18 , G03C8/28 , C09B37/00 , C09B55/00
CPC classification number: C09B69/00 , B01F17/0028 , B01F17/0042 , B01F17/005 , C09B1/285 , C09B39/00 , C09B43/18 , C23C14/22 , G03C8/00 , G03C8/18 , G03C8/28
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38.1, 5-bis (dihydroxyphenyl)-3-pentylamine and salts thereof 失效
Title translation: 1,5-双(二羟基苯基)-3-戊胺及其盐公开(公告)号:US3240810A
公开(公告)日:1966-03-15
申请号:US40166864
申请日:1964-10-05
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , COHEN SANL G , SIMON MYRON S
CPC classification number: C10L1/2225 , G03C5/3021
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39.Anthraquinone derivatives containing the hydroquinonylcarbamylmethylamino substituent 失效
Title translation: 含有氢醌基氨基甲酰甲基氨基取代基的蒽醌衍生物公开(公告)号:US3236864A
公开(公告)日:1966-02-22
申请号:US19332062
申请日:1962-05-08
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , CORLEY RICHARD S
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40.Anthraquinone derivatives containing an ortho- or para-dihydroxyphenylalkylamino substituent 失效
Title translation: 含有邻 - 或对 - 二羟基苯基烷基氨基取代基的蒽醌衍生物公开(公告)号:US3209016A
公开(公告)日:1965-09-28
申请号:US31882763
申请日:1963-10-25
Applicant: POLAROID CORP
Inventor: BLOUT ELKAN R , COHLER MARILYN R , MILTON GREEN , SIMON MYRON S , WOODWARD ROBERT B
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