Patents by Inventor Wolfgang Bogdan, deceased

Wolfgang Bogdan, deceased 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).

  • Water-dilutable vehicles based on epoxide resins, methods for their synthesis and their use as aqueous coating materials as well as aqueous coating materials
    Patent number: 5219957
    Abstract: Vehicles, which are water dilutable after neutralization with bases, have an acid number of 5 to 60 and are obtainable by polymerization or copolymerization of 10 to 90 parts by weight of one or several acidic, phosphoric acid-functional unsaturated monomers, which are polymerizable by a free radical mechanism and can be present in admixture with one or several ethylenically unsaturated monomers, which are also polymerizable by a free radical mechanism, with addition of a free radical initiator, in the presence of 90 to 10 parts by weight of one or several epoxide resins or modified epoxide resins, in one or several solvents. Methods of synthesizing them, aqueous coating materials containing them and their use.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: June 15, 1993
    Assignee: Herberts Gesellschaft mit beschrankter Haftung
    Inventors: Hans-Peter Patzschke, Joachim Blum, Gerhard Friederichs, Wolfgang Bogdan, deceased