Patent · US Active

Combination stirrer

US11253826B2 · kind B2 · utility

0Cited by

19References

8Claims

0Family size

Assignee

Hoffmann-La Roche Inc. · US

Inventors

Marco Jenzsch · Penzberg, DE
Max Lechner · Penzberg, DE
Michael Pohlscheidt · Carlsbad, US
Christoph Reese · Munich, DE
Alexander Scholz · Karlsruhe, DE
Hermann Tebbe · Schlehdorf, DE

Key dates

Filing date	Aug 14, 2018
Grant date	Feb 22, 2022
Priority date	—
Expiry date	Aug 24, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12M27/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present patent application describes a stirrer comprising a combination of at least one axially-conveying element and at least one radially-conveying element relative to the rotary shaft of the stirrer wherein the largest diameter of the at least one axially-conveying element is equal to or less than the inner diameter di of the radially-conveying element. In one embodiment the stirrer according to the invention is a combination of one anchor stirrer with at least one inclined-blade stirrer. Furthermore the use of the stirrer according to the invention for the culture of cells in a dialysis method is described.

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