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Elbert M. Idelson

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  • West Newton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Novel pyrazole compounds having silver halide development groups
    • Patent number 4,719,175
    • Issue date Jan 12, 1988
    • Polaroid Corporation
    • Efthimios Chinoporos
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Azo and azomethine dye developers
    • Patent number 4,656,117
    • Issue date Apr 7, 1987
    • Polaroid Corporation
    • Efthimios Chinoporos
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Chrome complexed azo or azomethine hexadentate dyes
    • Patent number 4,404,136
    • Issue date Sep 13, 1983
    • Polaroid Corporaton
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Silver halide developing agents
    • Patent number 4,336,405
    • Issue date Jun 22, 1982
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Silver halide developing agents
    • Patent number 4,294,915
    • Issue date Oct 13, 1981
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Color synthesizing
    • Patent number 4,290,699
    • Issue date Sep 22, 1981
    • Elbert M. Idelson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Chrome complexed magenta dye developers
    • Patent number 4,267,253
    • Issue date May 12, 1981
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Chrome complexed magenta dye developers
    • Patent number 4,267,252
    • Issue date May 12, 1981
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Novel azo dyes
    • Patent number 4,265,811
    • Issue date May 5, 1981
    • Polaroid Corporation
    • Elbert M. Idelson
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Yellow 2:1 azo-azo or azo-azomethine chrome complexed dye developers
    • Patent number 4,247,455
    • Issue date Jan 27, 1981
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Yellow azomethine dye developers
    • Patent number 4,231,950
    • Issue date Nov 4, 1980
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    I.D. cards
    • Patent number 4,219,599
    • Issue date Aug 26, 1980
    • Polaroid Corporation
    • Elbert M. Idelson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Synthesis of benzaldehydes
    • Patent number 4,206,139
    • Issue date Jun 3, 1980
    • Polaroid Corporation
    • Elbert M. Idelson
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ortho-carboxyphenyl azo ortho-hydroxypyrazole yellow dyes having si...
    • Patent number 4,206,115
    • Issue date Jun 3, 1980
    • Polaroid Corporation
    • Elbert M. Idelson
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Yellow 2:1 chrome complexed dye developers
    • Patent number 4,174,221
    • Issue date Nov 13, 1979
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Yellow azomethine dye developers
    • Patent number 4,166,741
    • Issue date Sep 4, 1979
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Novel I.D. cards
    • Patent number 4,151,667
    • Issue date May 1, 1979
    • Polaroid Corporation
    • Elbert M. Idelson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Novel tetrazaporphins
    • Patent number 4,061,654
    • Issue date Dec 6, 1977
    • Polaroid Corporation
    • Elbert M. Idelson
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Photographic multicolor screen element and method for making same
    • Patent number 3,969,120
    • Issue date Jul 13, 1976
    • Polaroid Corporation
    • Elbert M. Idelson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Aminomethyl-substituted 1-naphthol phthalides and naphthalides
    • Patent number 3,944,569
    • Issue date Mar 16, 1976
    • Polaroid Corporation
    • Stanley M. Bloom
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY