Trevor J. Maternaghan

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Knutsford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Twinned emulsions made from silver iodide seed crystals having an a...
- Patent number 5,017,469
- Issue date May 21, 1991
- Ilford Limited
- Clive W. Mowforth
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide emulsions containing twinned silver halide crystals
- Patent number 5,009,991
- Issue date Apr 23, 1991
- Ilford Limited
- Clive W. Mowforth
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Monomethine compounds
- Patent number 4,996,141
- Issue date Feb 26, 1991
- Ilford Limited
- Geoffrey E. Ficken
- C07 - ORGANIC CHEMISTRY