Patents by Inventor John E. Donovan

John E. Donovan 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: 11939555
    Abstract: A fabric care composition is provided including water; a modified carbohydrate polymer having a weight average molecular weight of <500,000 Daltons and a Kjeldahl nitrogen content corrected for ash and volatiles, TKN, of ?0.5 wt %; and a cleaning surfactant; wherein the modified carbohydrate polymer is a carbohydrate polymer functionalized with quaternary ammonium moieties; wherein the quaternary ammonium moieties on the modified carbohydrate polymer include: trimethyl ammonium moieties having formula (I) and dimethyl(alkyl) ammonium moieties having formula (II) wherein each R is independently selected from a C8-22 alkyl group.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 26, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Emmett M. Partain, III, Jan E. Shulman, Aline Migliore, Yunshen Chen, John Hayes, Asghar A. Peera, Peilin Yang, Mariann Clark, Stephen J. Donovan, Jennifer P. Todd, Cynthia Leslie
  • Patent number: 4166332
    Abstract: A portable display apparatus is herein disclosed. The portable display apparatus is composed of a plurality of rectangular skeletal frames. Each rectangular skeletal frame of the plurality includes a horizontal hinge adapted to enable vertical members of the frame to fold vertically. Each of the vertical members has a connector portion and a pair of track portions. Each of the vertical rectangular skeletal frames is adapted to be connected to a dovetail slide connector to other rectangular skeletal frames. The dual track portions are adapted to receive a pair of display panels. The dual track portions are positioned so that connector portions of the dovetail connectors do not interfere with the track portions or display panels.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: September 4, 1979
    Assignee: Package Exhibit Programs, Inc.
    Inventor: John E. Donovan
  • Patent number: 4030219
    Abstract: A portable display apparatus is herein disclosed. The portable display apparatus is composed of a plurality of rectangular skeletal frames. Each rectangular skeletal frame of said plurality includes a horizontal hinge, adapted to enable said frame to fold vertically. Each rectangular skeletal frame of said plurality is identical to all other rectangular skeletal frames of said plurality. Each of said frames includes a plurality of opposite vertical members. Each of said vertical members is identical to all other vertical members. Each of said vertical members has a connector portion, and a track portion. Each of said rectangular skeletal frames is adapted to be bolted to other rectangular skeletal frames in either a fixed or pivotal relationship at the connector portions of the vertical members. Each of the rectangular skeletal frames is also adapted to be hingedly connected to the other rectangular skeletal frames. The track portions are adapted to receive a display panel within track portions.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: June 21, 1977
    Assignee: Package Exhibit Programs, Inc.
    Inventor: John E. Donovan