Roger G. J. C. Twigg

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Kings Lynn, GB

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Patents Grantslast 30 patents

Information Patent Grant
Cationic diazo dyes for the dyeing of hair
- Patent number 5,879,413
- Issue date Mar 9, 1999
- Warner-Jenkinson Europe Limited
- Roger W. Pengilly
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE