Patent · US Expired

Method and device for the prevention of wall adherences in shafts on the introduction of particles

US7182978B2 · kind B2 · utility

0Cited by

7References

8Claims

0Family size

Assignee

BASF SE

Inventors

Agidius Eckel · Niederkirchen, DE
Jens Hoferichter · Mannheim, DE
Rainer Schlichtmann · Ludwigshafen, DE
Josef Barban · Neuleiningen, DE

Key dates

Filing date	Apr 18, 2001
Grant date	Feb 27, 2007
Priority date	—
Expiry date	Apr 17, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2321/00
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A process for inhibiting agglutination in an upright duct when particles are introduced, where at least some parts of the walls of the upright duct are wetted with a film of liquid, and where the liquid used includes a dispersing agent or solvent appropriate for the rubber.

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