Patents by Inventor Willi Burgmer

Willi Burgmer 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).

  • Aqueous silicone-polyester resin systems, a process for their production and their use
    Patent number: 4287109
    Abstract: The instant invention relates to an aqueous silicone polyester resin system having a silicone content of at least 30% by weight, based on the solid binder, comprising a polyester resin having an acid number of from 50 to 170; a silicone precondensate with SiOH or SiOR-functionality; or a silicone-polyester-combination resin; having from 0 to 80% by weight, based on the solid binder, of an organic solvent; from 0 to 10% by weight, based on the solid binder, of an emulsion or dispersion auxiliary; a nitrogen base; and optionally at least one pigment or filler.The invention relates also to the production of the silicone polyester-resin system and to the use of the resin in aqueous lacquer materials.
    Type: Grant
    Filed: August 10, 1979
    Date of Patent: September 1, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ottfried Schlak, Hans-Heinrich Moretto, Werner Clarenz, Bernd Peltzer, Willi Burgmer