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Eva R. Karger
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Arlington, MA, US
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last 30 patents
Information
Patent Grant
Amino hydroxy cyclohexenone developing agents
Patent number
4,371,603
Issue date
Feb 1, 1983
Polaroid Corporation
James R. Bartels-Keith
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bicyclic reductone developing agents
Patent number
4,365,085
Issue date
Dec 21, 1982
Polaroid Corporation
James R. Bartels-Keith
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Synthesis of amino hydroxy cyclopentenones
Patent number
4,304,934
Issue date
Dec 8, 1981
Polaroid Corporation
James R. Bartels-Keith
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bicyclic reductone developing agents
Patent number
4,154,611
Issue date
May 15, 1979
Polaroid Corporation
James R. Bartels-Keith
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
1:1 Adducts of indole and (na)phthalaldehydic acid
Patent number
4,151,174
Issue date
Apr 24, 1979
Polaroid Corporation
Eva R. Karger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Trinapthylmethane compounds
Patent number
4,036,863
Issue date
Jul 19, 1977
Polaroid Corporation
Eva R. Karger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3,3-Disubstituted phthalides and naphthalides
Patent number
4,001,277
Issue date
Jan 4, 1977
Polaroid Corporation
Eva R. Karger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1:1 Adducts of 1-naphthol and (Na)phthalaldehydic acid
Patent number
3,976,662
Issue date
Aug 24, 1976
Polaroid Corporation
Eva R. Karger
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY