Richard Hazard

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Cropston, GB

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Patents Grantslast 30 patents

Information Patent Grant
5-(2-Hydroxypropoxy)-8-propyl-4H-1-benzopyran-4-one-2-carboxylic acid
- Patent number 4,335,048
- Issue date Jun 15, 1982
- Fisons Limited
- Hugh Cairns
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tricyclic mono-chromone-2-carboxylic acids
- Patent number 4,238,606
- Issue date Dec 9, 1980
- Fisons Limited
- Roger C. Brown
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tricyclic mono-chromone-2-carboxylic acids
- Patent number 4,159,273
- Issue date Jun 26, 1979
- Fisons Limited
- Roger C. Brown
- C07 - ORGANIC CHEMISTRY