Fire-resistant glass containing a gel with improved melting resistance, and process for the preparation thereof

US5885713A · kind A · utility

Assignees

• BAYER HEALTHCARE LLC · DE
• Schott Glaswerke · DE

Inventors

• Wulf von Bonin · Leverkusen, DE
• Roland Leroux · Stadecken-Elsheim, DE
• Markus Steigenberger · Bischofsheim, DE
• Thomas Karschti · Budenheim, DE
• Markus Ring · Westhofen, DE

Key dates

• Filing date: Sep 10, 1997
• Grant date: Mar 23, 1999
• Expiry date: Sep 10, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S516/927
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Fire-resistant glass, produced by placing between two panes of glass a gel former containing a) an acid aluminum phosphate, b) a reaction product of boric acid with an alkanolamine and one or more alkali metal compounds, and heating the glass to convert the gel former to a gel.