Hydrophobic precipitated silicic acid and compositions containing same

US4208316A · kind A · utility

Assignee

• Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler

Inventors

• Peter Nauroth · Wesseling, DE
• Heinz Esch · Wesseling, DE
• Robert Kuhlmann · Lechenich, DE
• Rudolf Bode · Bad Orb, DE
• Arthur Reisert · Alzenau, DE
• Harald Buhler · Hanau, DE
• Gunter Turk · Hanau, DE

Key dates

• Filing date: Jun 29, 1978
• Grant date: Jun 17, 1980
• Expiry date: Jun 29, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2995
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Hydrophobic precipitated silicic acid is disclosed and its use as a reinforcing filler in plastic masses which are hardenable to form elastomers.