Inventor
LEWIS DAVID MALCOLM
GB30 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS DAVID MALCOLM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV NORTH CAROLINA STATE
7 patentsUS6869453B1Mar 22, 2005
Reactive dye compounds
UNIV NORTH CAROLINA STATE9 citations70
US7442780B2Oct 28, 2008
Reactive dye compounds
UNIV NORTH CAROLINA STATE4 citations59
US6790943B1Sep 14, 2004
Reactive dye compounds
UNIV NORTH CAROLINA STATE2 citations59
US6713613B1Mar 30, 2004
Reactive dye compounds
UNIV NORTH CAROLINA STATE4 citations59
US6716969B1Apr 6, 2004
Reactive dye compounds
UNIV NORTH CAROLINA STATE4 citations57
US6723834B1Apr 20, 2004
Reactive dye compounds
UNIV NORTH CAROLINA STATE3 citations56
US6736864B1May 18, 2004
Reactive dye compounds
UNIV NORTH CAROLINA STATE1 citations48
PERACHEM LTD
4 patentsUS11648191B2May 16, 2023
Method and composition for colouring an eyebrow comprising an organic acid
PERACHEM LTD0 citations53
US9364403B2Jun 14, 2016
Hair treatment methods
PERACHEM LTD0 citations48
US9320695B2Apr 26, 2016
Hair treatment methods
PERACHEM LTD0 citations48
US8016895B2Sep 13, 2011
Hair treatment composition and methods
PERACHEM LTD1 citations45
PROCTER & GAMBLE
3 patentsUS6447554B1Sep 10, 2002
Reactive dye compounds
PROCTER & GAMBLE17 citations83
US6518407B1Feb 11, 2003
Reactive dye compound comprising at least one chromophore moiety and at least one nitrogen-containing heterocycle
PROCTER & GAMBLE11 citations73
US6350862B1Feb 26, 2002
Reactive dye compounds
PROCTER & GAMBLE7 citations73