Patent · US Expired

Web-reinforced separator and continuous method for producing the same

US7981467B2 · kind B2 · utility

3Cited by

5References

22Claims

0Family size

Assignee

Vlaamse Instelling voor Technologisch Onderzoek NV (VITO) · BE

Inventors

Wim Doyen · Wommelgem, BE
Roger Leysen · Mol, BE
Walter Adriansens · Mol, BE

Key dates

Filing date	Aug 10, 2005
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Jan 2, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31935
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A process for preparing an ion-permeable web-reinforced separator membrane includes the steps of: providing a web (2A) and a suitable paste (5), guiding the web (2A) in a vertical position, equally coating both sides of the web with the paste to produce a paste coated web (2B), and applying a symmetrical surface pore formation step and a symmetrical coagulation step to the paste coated web to produce a web-reinforced separator membrane.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.