Patents by Inventor John P. Donovan

John P. 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).

  • Fabric care composition
    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
  • Starter culture receptacle and methods using the same
    Patent number: 5979300
    Abstract: A receptacle for a fermented milk product starter culture is disclosed. The receptacle allows a single batch of starter culture to be transferred from one quantity of fermented milk to a fresh quantity of milk for formation of additional fermented milk product. Methods for the production of fermented milk product are also disclosed.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: November 9, 1999
    Assignee: Kefir Culture Natural Limited
    Inventor: John P. Donovan