Victor W. Dolden

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Romford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Monomethine compounds
- Patent number 4,996,141
- Issue date Feb 26, 1991
- Ilford Limited
- Geoffrey E. Ficken
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of sulphoalkyl quaternary salts
- Patent number 4,287,348
- Issue date Sep 1, 1981
- Ciba-Geigy AG
- Rainer Kitzing
- C07 - ORGANIC CHEMISTRY