Patents by Inventor Holger Schreiner

Holger Schreiner 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).

  • Low-evaporation polyester resins
    Patent number: 5132343
    Abstract: Stable, low-evaporation unsaturated polyester resins contain an ethylenically unsaturated polyester, styrene as comonomer, paraffins for preventing styrene evaporation and a pyrogenic silica with both hydrophilic and hydrophobic end groups.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: July 21, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Zwecker, Holger Schreiner