Open-pore sintered glasses for use in electronic cigarettes

US11697613B2 · kind B2 · utility

Assignee

• Schott AG · DE

Inventors

• Ulrich Peuchert · Bodenheim, DE
• Norbert Greulich-Hickmann · Mainz, DE
• Philipp Treis · Mainz, DE
• Yvonne Menke · Mainz, DE
• Michael Kluge · Ludwigshafen, DE

Key dates

• Filing date: Feb 12, 2020
• Grant date: Jul 11, 2023
• Expiry date: Apr 15, 2040

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2209/135
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A sintered body for use as a liquid reservoir in an electronic cigarette, medication administering devices, in thermally heated evaporators for fragrant substances is provided. The sintered body is made of open-pore sintered glass and has a porosity of greater than 50 vol %. The average pore size is in a range from 1 to 450 μm. The glass of the sintered body has a transition temperature Tg of at least 450° C.