Patents by Inventor Sterling CHAFFINS, JR.

Sterling CHAFFINS, JR. 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).

  • Publication number: 20170183522
    Abstract: The present disclosure is drawn to a pigment-based inkjet ink and methods. The inkjet ink includes water; from 2 wt % to 9 wt % pigment solids; from 0.05 wt % to 2 wt % of an acetylenic diol non-ionic surfactant; from 0.05 wt % to 2 wt % of a second surfactant. The second surfactant can be a polysorbate having at least 50% lipophilic oleic acid groups and having an HLB value of less than 15, or a C12-C18 polyoxyethylene glycol ether having an ethylene oxide number less than 20, or a perfluoropolyether including a polyethylene glycol primary alcohol or diol. The inkjet ink also includes from 5 wt % to 50 wt % of an organic solvent system comprising triethylene glycol and a cyclic amide.
    Type: Application
    Filed: June 4, 2014
    Publication date: June 29, 2017
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Sterling CHAFFINS, JR., Kevin P. DEKAM, Jayprakash C. BHATT, Larrie DEARDURFF, Cory J. RUUD, Matthew THORNBERRY