Inventor
ROYCE DOUGLAS ALLAN
US10 patents
⚠️ This page may combine multiple inventors who share the name “ROYCE DOUGLAS ALLAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROCTER & GAMBLE
8 patentsUS5756436AMay 26, 1998
Conditioning shampoo compositions containing select cationic conditioning polymers
PROCTER & GAMBLE158 citations98
US6451300B1Sep 17, 2002
Anti-dandruff and conditioning shampoos containing polyalkylene glycols and cationic polymers
PROCTER & GAMBLE183 citations97
US8349301B2Jan 8, 2013
Shampoo containing a gel network
PROCTER & GAMBLE41 citations94
US8349300B2Jan 8, 2013
Personal care compositions containing at least two cationic polymers and an anionic surfactant
PROCTER & GAMBLE42 citations93
US8361449B2Jan 29, 2013
Shampoo containing a gel network
PROCTER & GAMBLE30 citations92
US6297203B1Oct 2, 2001
Styling shampoo compositions containing cationic styling polymers and cationic deposition polymers
PROCTER & GAMBLE74 citations92
US8367048B2Feb 5, 2013
Shampoo containing a gel network
PROCTER & GAMBLE34 citations90
US7087221B2Aug 8, 2006
Shampoo containing an alkyl ether
PROCTER & GAMBLE10 citations73