Filter membrane and device

US11712668B2 · kind B2 · utility

Assignee

• GAMBRO LUNDIA AB · SE

Inventors

• Ralf MENDA · Senden, DE
• Evelyn Grossmann · Eßlingen, DE
• Carina Zweigart · Schömberg, DE
• Bernd Bauer · Leinfelden, DE
• Michael Schuster · West Chester, US

Key dates

• Filing date: Jul 18, 2018
• Grant date: Aug 1, 2023
• Expiry date: Jul 18, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2325/48
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present disclosure relates to a microporous hollow fiber filter membrane having a large inner diameter and a thin wall. The fiber can be used for sterile filtration of liquids or removal of particles from liquids. The disclosure further relates to a method for producing the membrane and a filter device comprising the membrane.