Inventor

WARSHAKOON NAMAL CHITHRANGA

US4 patents

⚠️ This page may combine multiple inventors who share the name “WARSHAKOON NAMAL CHITHRANGA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PROCTER & GAMBLE

2 patents

US6946479B2Sep 20, 2005

N-sulfonyl-4-methyleneamino-3-hydroxy-2-pyridones

PROCTER & GAMBLE23 citations90

US6930117B2Aug 16, 2005

N-alkyl-4-methyleneamino-3-hydroxy-2-pyridones

PROCTER & GAMBLE27 citations90

WARNER CHILCOTT CO LLC

1 patent

US7790748B2Sep 7, 2010

N-alkyl-4-methyleneamino-3-hydroxy-2-pyridones

WARNER CHILCOTT CO LLC21 citations90

WARSHAKOON NAMAL CHITHRANGA

1 patent

US8133894B2Mar 13, 2012

N-benzyl-4-methyleneamino-3-hydroxy-2-pyridones

WARSHAKOON NAMAL CHITHRANGA13 citations86