Patents by Inventor Jonathon P. Kitchin

Jonathon P. Kitchin 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).

  • Patent number: 5342688
    Abstract: An improved ink-receptive sheet comprising a transparent substrate bearing on at least one major surface thereof an ink-receptive layer which comprises at least one imaging polymer and an effective amount of polymeric mordant having the general structure: ##STR1## wherein A is selected from the group consisting of a COO-alkylene group having from about 1 to about 5 carbon atoms, a CONH-alkylene group having from about 1 to about 5 carbon atoms, --COO--(CH.sub.2 CH.sub.2 O)n--CH.sub.2 -- and --CONH-- (CH.sub.2 CH.sub.2 O)n--CH.sub.2 --, wherein n is from about 1 to about 5;B and D are independently selected from the group consisting of alkyl group having from about 1 to about 5 carbon atoms;or A, B, D and N are combined to form a heterocyclic compound selected from the group consisting of ##STR2## R.sub.1 and R.sub.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: August 30, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jonathon P. Kitchin, Alan G. Miller, Mahfuza B. Ali, Omar Farooq