The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2004
Filed:
Sep. 26, 2002
Stephan Hüffer, Ludwigshafen, DE;
Thilo Krebs, Mannheim, DE;
Klaus-Dieter Hungenberg, Birkenau, DE;
Ingolf Kühn, Schmerbach, DE;
Ekkehard Jahns, Weinheim, DE;
Christian Lach, Bad Dürkheim, DE;
Harald Keller, Ludwigshafen, DE;
Andreas Pfau, Ludwigshafen, DE;
Thomas Frechen, Heidelberg, DE;
Bernd Diebold, Fussgönheim, DE;
Peter Dillmann, Insheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The surfaces of apparatuses and apparatus parts for chemical plant construction, including, for example, apparatus, container and reactor walls, discharge apparatuses, fittings, pumps, filters, compressors, centrifuges, columns, heat exchangers, dryers, comminuting machines, internals, packings and mixing elements, are coated by a process wherein protuberances having a mean height of from 100 nm to 50 &mgr;m with a mean spacing of from 100 nm to 100 &mgr;m are produced on the surface to be coated and the coating is applied thereon by currentless deposition of a metal layer or of a metal-polymer dispersion layer with the aid of a plating bath which contains a metal electrolyte, a reducing agent and optionally a polymer or polymer blend to be deposited, in dispersed form.