Patents Assigned to Evonik Degussa GmeH - Justia Patents Search

Patents Assigned to Evonik Degussa GmeH

Use of roll compacted pyrogenically produced silicon dioxide in pharmaceutical compositions

Patent number: 8377994

Abstract: The use of Schülpen based on pyrogenically produced silicon dioxide in pharmaceutical compositions is described.

Type: Grant

Filed: May 10, 2006

Date of Patent: February 19, 2013

Assignee: Evonik Degussa GmeH

Inventors: Ann Gray, Margarete Drechsler, Ralph Hofmann