Abstract: A method for cleaning paint carrying parts of a paint shop, especially the paint lines, is described, wherein the paint carrying parts are rinsed with a liquid containing an organic solvent. In order to obtain particularly advantageous conditions, polyaspartic acid is mixed with the rinsing liquid.
Type:
Grant
Filed:
March 29, 2001
Date of Patent:
November 5, 2002
Assignee:
Aware Chemicals L.L.C.
Inventors:
Alfred Bohnes, Johannes Lindemann, Karl Manderscheid, Dirk Bohnes
Abstract: A process for the preliminary treatment of a metallic workpiece before coating is disclosed. The surface to be coated is cleaned with a solution containing a degreasing agent and coated with a corrosion-inhibiting layer. In order to obtain particularly advantageous conditions, the invention proposes that the surface of a workpiece to be coated be treated with a solution of polyaspartic acid to apply a corrosion-resistant coating.
Type:
Grant
Filed:
March 2, 2001
Date of Patent:
August 13, 2002
Assignee:
Aware Chemicals L.L.C.
Inventors:
Johannes Lindemann, Karl Manderscheid, Rainer Kluth, Dirk Bohnes