Patents by Inventor Hans G. Volz

Hans G. Volz 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).

  • Air pore lacquers containing white pigments or white fillers
    Patent number: 4249953
    Abstract: An air pore lacquer comprising a solvent, a binder and at least one additive which is a white pigment or white filler, the additive having an average particle size D.sub.zv which is at least about 10% smaller than the optimum average particle size for the same binder free from air pores. When the additives are pigments they are preferably 20 to 50% smaller, and when they are fillers preferably 20 to 80% smaller, than the optimum particle size for the air pore-free binder. Rutile and anatase TiO.sub.2 are preferred.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: February 10, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Keifer, Hans G. Volz