Keith T. Johnson

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Pontefract, GB

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Patents Grantslast 30 patents

Information Patent Grant
Compositions for the optical whitening of organic materials and use...
- Patent number 4,216,105
- Issue date Aug 5, 1980
- Hickson & Welch Limited
- Hugh Davidson
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...