Norman Alfred Smith

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Ilford, EN

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Patents Grantslast 30 patents

Information Patent Grant
Bis 1,4-(b-vinylso.sub.2 -propionyl)-piperazine
- Patent number 4,088,648
- Issue date May 9, 1978
- Ciba-Geigy AG
- Norman Alfred Smith
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for crosslinking hydrophilic colloids with triazine compounds
- Patent number 4,076,538
- Issue date Feb 28, 1978
- Ciba-Geigy AG
- Norman Alfred Smith
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for crosslinking hydrophilic colloids
- Patent number 4,043,995
- Issue date Aug 23, 1977
- Ciba-Geigy AG
- Rainer Kitzing
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of hardened gelatin layers by the addition of quaternary...
- Patent number 4,014,862
- Issue date Mar 29, 1977
- Ilford Limited
- John Douglas Ballantine
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing a hardened gelatin layer using aqueous solution...
- Patent number 3,951,940
- Issue date Apr 20, 1976
- Ciba-Geigy AG
- John Douglas Ballantine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY