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United States Patent 7,485,183

 

 

Applicant: Merck Patent GmbH

 

Date: February 3, 2009 

 

 

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Pigment mixture, and the use thereof in cosmetics and in the foods and pharmaceuticals sector

 

Abstract

 

Pigment mixtures which have at least two components, where component A comprises effect pigments based on glass flakes and component B comprises flake-form, needle-shaped, spherical or crystalline colorants or fillers, and to the use thereof, in particular in cosmetic formulations and for the coloring or as a coating of products in the foods and pharmaceuticals sector are described.

 

Formulation Example:

 

Shower Gel


Raw material

Source of supply

INCI

[%]

 

 

 

 

 

Phase A

 

 

Glass flakes with Ti02 and Fe203 (gold pigment) 20-200 pm

Merck KGaAIRona ® -continued

Merck KGaAIRona ® -continued

0.1

Keltrol T

Kelco

Xartthan Gum

0.75

 

Phase B

 

 

Water, demineralized

 

Aqua (Water)

64.95

Plantacare 2000 UP

Cognis GmbH

Decyl Glucoside

20

Texapon ASV 50

Cognis GmbH

Sulfate, Sodium,Laureth- 8 Sulfate,,Magnesium Laureth,Sulfate, Magnesium,Laureth- 8 Sulfate,,Sodium Oleth,Sulfate, Magnesium,Oleth Sulfate ,

3.6

Bronidox L

Cognis GmbH

Propylene Glycol, 5-Bromo-5-Nitro- 1,3- Dioxane

0.2

Perfume oil Everest 79658 SB

Haarmann & Reimer GmbH

Parfum

0.05

1% FD&C Blue No. 1 in water

BASF AG

Aqua (Water), CI,42090 (FD&C Blue,No. 1)

0.2

 

Phase C

 

 

Citric acid monohydrate

Merck KGaAIRona ®

Citric Acid

0.15

Water, demineralized

 

Aqua (Water)

10

 


Preparation:

At room temperature, under constant stirring, in a suitable mixing vessel, for Phase A, stir the pigment into the water. Scatter in the Keltrol T slowly with stirring and stir until it has dissolved. Add phases B and C successively while stirring slowly until everything is homogeneously distributed. Adjust the pH to from 6.0 to 6.4.

 

 

 

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