Patents by Inventor Nils Hock

Nils Hock 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).

  • Molecular complex compounds of acylphosphine oxide and .alpha.-hydroxy ketones as photoinitiators
    Patent number: 5942290
    Abstract: Molecular complex compounds comprising a mono-, bis- or trisacylphosphine oxide compound with an .alpha.-hydroxy ketone compound are suitable as photoinitiators for the photopolymerization of free-radically polymerizable compounds.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: August 24, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: David George Leppard, Thomas Lloyd James, Nils Hock, Manfred Kohler, Ronald Salathe