Inventor

SCHMELZ SANDRA

DE14 patents

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

KAO GERMANY GMBH

5 patents

US11179314B2Nov 23, 2021

Liquid composition comprising hair direct dyes

KAO GERMANY GMBH0 citations61

US8349025B2Jan 8, 2013

Process for oxidative colouring keratin fibres

KAO GERMANY GMBH3 citations60

US9233059B2Jan 12, 2016

Oxidative dyeing composition

KAO GERMANY GMBH0 citations50

US9770397B2Sep 26, 2017

Oxidative dyeing composition

KAO GERMANY GMBH0 citations42

US9445978B2Sep 20, 2016

Aqueous oxidizing composition

KAO GERMANY GMBH0 citations34

SCHMELZ SANDRA

3 patents

US8574317B2Nov 5, 2013

Aqueous colouring composition

SCHMELZ SANDRA3 citations57

US8608809B2Dec 17, 2013

Stable oxidative colouring composition for keratin fibres

SCHMELZ SANDRA0 citations39

US8388700B2Mar 5, 2013

Composition and method for colouring hair

SCHMELZ SANDRA0 citations36

UELLNER MARTIN

2 patents

US8636813B2Jan 28, 2014

Hair colouring composition

UELLNER MARTIN3 citations57

US8668746B2Mar 11, 2014

Two-part hair colouring composition

UELLNER MARTIN2 citations53

KPSS KAO GMBH

1 patent

US7850953B2Dec 14, 2010

Composition for the permanent shaping of human hair

KPSS KAO GMBH4 citations61

WOOD JONATHAN

1 patent

US8889111B2Nov 18, 2014

Composition for the permanent shaping of human hair

WOOD JONATHAN0 citations50

MOLENDA MICHAEL

1 patent

US8758453B2Jun 24, 2014

Process for treating hair

MOLENDA MICHAEL0 citations50

KAO CORP

1 patent

US12403078B2Sep 2, 2025

Dyeing composition in aqueous-alcoholic medium

KAO CORP0 citations49