Patents by Inventor Leonardus G. J. Jansen

Leonardus G. J. Jansen 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).

  • Initiator system for radiation curable compositions, radiation curable compositions containing such an initiator system, a process for curing said compositions and products covered therewith
    Patent number: 4411822
    Abstract: A new initiator system for radiation curable composition is disclosed.In said system there are incorporated:(a) a photoinitiator, with the exception of a compound of the formula: ##STR1## where R.sub.1 =H or an alkyl group, an alkenyl group, a cycloalkyl or cycloalkenyl group, an aryl group, a furfuryl group or the group ##STR2## where Y represents a methyl group and Z an alkyl group or Y and Z together form a 1,3- or 1,4-alkylene group having 3 or 4 carbon atoms; R.sub.2 =an alkyl group or alkenyl group, a cycloalkyl group or cycloalkenyl group, an alkaryl group or a furfuryl group; R.sub.3 and R.sub.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: October 25, 1983
    Assignee: Akzo N.V.
    Inventors: Hendrik J. Hageman, Egenius A. Giezen, Leonardus G. J. Jansen