Patents by Inventor Manfred Glahsl

Manfred Glahsl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for spray-coating with frequent changes between aqueous and non-aqueous coating agents inside a spray-coating chamber
    Patent number: 6294221
    Abstract: A non-aqueous rinsing medium is disclosed, and a process for using same as a rinsing agent in a process for spray-coating of mass-produced substrates (such as automobile bodies) with frequent changes between at least one aqueous and at least one non-aqueous coating agent inside a spray-coating chamber, wherein with at least each change of coating agent the installations to be rinsed are rinsed automatically with the non-aqueous rinsing medium consisting of (a) 20 to 35% by weight of one or more N-alkyl pyrrolidones, (b) 20 to 35% by weight of butyl acetate and/or isobutyl acetate, (c) 10 to 20% by weight of one or more glycol ethers, which are water-miscible without miscibility gap, (d) 5 to 15% by weight of ethanol, propanol and/or isopropanol, (e) 10 to 20% by weight of one or more aliphatic C4-C7-ketones, (f) 0 to 5% by weight of one or more organic solvents conventionally used in coating agents, and (g) 0 to 5% by weight of one or more auxiliary agents, whereby components (a), (c) and (d) comprise
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: September 25, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Thomas May, Manfred Glahsl, Axel Paulsen, Hans-Joachim Mueller