P

Inventor

CASPERSON STEPHEN

US8 patents
⚠️ This page may combine multiple inventors who share the name “CASPERSON STEPHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PROCTER & GAMBLE

5 patents
US6872228B1Mar 29, 2005

Hair bleach product

PROCTER & GAMBLE14 citations80
US6764523B2Jul 20, 2004

Two-part aqueous composition for oxidative coloration of hair

PROCTER & GAMBLE14 citations79
US11282190B2Mar 22, 2022

Systems and methods for hair coverage analysis

PROCTER & GAMBLE3 citations71
US7056497B2Jun 6, 2006

Hair bleach product

PROCTER & GAMBLE6 citations58
US7541023B2Jun 2, 2009

Hair bleach product

PROCTER & GAMBLE1 citations48

BRISTOL MYERS SQUIBB CO

1 patent
US6156076ADec 5, 2000

Two-part hair dye compositions containing polyether polyurethanes and conditioning agents

BRISTOL MYERS SQUIBB CO55 citations92

KOLMAR LABORATORIES

1 patent
US4814165AMar 21, 1989

Emulsified hydrated stick product

KOLMAR LABORATORIES30 citations91

CLAIROL INC

1 patent
US6547833B2Apr 15, 2003

Two-part aqueous composition for oxidative coloration of hair

CLAIROL INC14 citations76