Inventor
SHAFFER JOHN DAVID
US3 patents
Patents
3 patentsUS7297168B2Nov 20, 2007
Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof
PROCTER & GAMBLE26 citations91
US7229480B2Jun 12, 2007
Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof
PROCTER & GAMBLE4 citations59
US7303590B2Dec 4, 2007
Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof
PROCTER & GAMBLE0 citations40