Use of inorganic aerogels in pharmacy
AssigneeHoechst Aktiengesellschaft
InventorsFritz Schwertfeger, Andreas Zimmermann, Harald Krempel
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Abstract
The invention relates to the use of inorganic aerogels as an auxiliary and/or excipient for pharmaceutical active compounds and/or preparations.
Claims27
A pharmaceutical composition which comprises an pharmaceutical active agent and inorganic aerogel particles.
In a process of preparing a pharmaceutical preparation, which comprises a pharmaceutical and at least one solid, liquid or gas substance in a solid or liquid media and has improved dispersant properties, the improvement which comprises adding inorganic aerogel particles as an auxiliary or excipient to a mixture comprising said pharmaceutical, said solid, liquid or gas substance or substances, and said solid or liquid media.
A process for dispersing hydrophobic substance in hydrophilic media, which comprises incorporating the hydrophobic substance into inorganic aerogel particle and adding the particle into the hydrophilic media.
A process for dispersing a hydrophilic substance in a hydrophobic media which comprises incorporating the hydrophilic substance into inorganic aerogel particles and adding the particles to the hydrophobic media.
Dependencies are inferred from the claim text.