IP Library Granted Patent US 5,925,708
Granted Patent Utility
US 5,925,708 · App. 08/893,225

Precipitated silicas

Inventors: Heinz Esch, Udo Gorl, Robert Kuhlmann, Ralf Rausch
Patented Case View Patent ↗
Granted: Jul 20, 1999 Filed: Jul 15, 1997
Inventors
Heinz Esch
Udo Gorl
Robert Kuhlmann
Ralf Rausch
Assignee (at issue)
Degussa AG

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Quick Facts
Patent No.
US 5,925,708
App. No.
08/893,225
Filed
1997-07-15
Granted
1999-07-20
Kind
A