Patent · US Expired

Plastic filtration unit bonded by an L-shaped plastic melt

US6427846B1 · kind B1 · utility

7Cited by

9References

5Claims

0Family size

Assignee

Vivascience AG · DE

Inventors

Andreas Graus · Nörten-Hardenberg, DE
Christian Schäfer · Berlin, DE
Michael Schutzler · Rosdorf, DE

Key dates

Filing date	Jan 6, 2000
Grant date	Aug 6, 2002
Priority date	—
Expiry date	Jan 6, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/14
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An improvement in the fabrication and bonding of dead-end and cross-flow thermoplastic filtration modules is disclosed whereby two housing parts are bonded to each other and to a filtration membrane by an L-shaped plastic melt.

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