Conjugate, its preparation and use
AssigneeMerck Patent GmbH
InventorsHerwig Buchholz, Ralf Anselmann, Hansjuergen Driller, Michael Kirschbaum, Frank Pflücker
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Abstract
The invention relates to a conjugate which can be used for preparing dermatological and cosmetic compositions. The invention also relates to processes for preparing such conjugate and to its use.
Claims36
A conjugate, comprising an inorganic pigment and an active substance based on organic compounds being covalently bound through a spacer group to the inorganic pigment, characterized in that the spacer group contains a silicon atom or an aluminum atom.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide and n is 0, 1 or 2.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide.
A conjugate of the formula
- wherein SiO2 is a pigment based on silicon dioxide.
Dependencies are inferred from the claim text.