Patents by Inventor Peter Gottschalk

Peter Gottschalk 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).

  • Photohardenable compositions containing a dye borate complex and photosensitive materials employing the same
    Patent number: 4772541
    Abstract: A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and a cationic dye-borate anion complex, said complex being capable of absorbing actinic radiation and producing free radicals which initiate free radical polymerization or crosslinking of said compound; and photosensitive materials employing the composition where in one embodiment the composition is microencapsulated.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: September 20, 1988
    Assignee: The Mead Corporation
    Inventors: Peter Gottschalk, Gary B. Schuster
  • Isotridecylammonium salts of chromium or cobalt 1:2 complex azo dyes
    Patent number: 4005066
    Abstract: Isotridecylammonium salts of chromium or cobalt 1:2 complex azo dyes, their production and their use as colorants for printing inks and surface coatings. The salts are distinguished by particularly good solubility in organic solvents.
    Type: Grant
    Filed: June 26, 1974
    Date of Patent: January 25, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Gottschalk, Alfred Schoellig, Guenther Riedel