Patents by Inventor Thomas W. Butler

Thomas W. Butler 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: 20180010006
    Abstract: The present disclosure is drawn to a fluid set for inkjet imaging which includes a white inkjet ink and a fixer fluid. The white ink can include an aqueous ink vehicle, from 5 wt % to 50 wt % of a white metal oxide pigment having an average particulate size from 100 nm to 2,000 nm, and from 0.1 wt % to 4 wt % of anionic oxide particulates having an average particulate size from 1 nm to 100 nm. The white ink can also include a non-ionic or predominantly non-ionic dispersant having an acid number not higher than 100 mg KOH/g based on dry polymer weight. The fixer fluid can include an aqueous fixer vehicle and from 0.1 wt % to 25 wt % cationic polymer.
    Type: Application
    Filed: April 27, 2015
    Publication date: January 11, 2018
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Vladek Kasperchik, Thomas W. Butler, Paul Joseph Bruinsma
  • Publication number: 20180002555
    Abstract: The present disclosure provides a white ink including an aqueous ink vehicle, from 5 wt % to 50 wt % of a white metal oxide pigment having an average particulate size from 100 nm to 2,000 nm, from 0.1 wt % to 4 wt % of anionic oxide particulates having an average particulate size from 1 nm to 100 nm, from 2 wt % to 30 wt % of latex particulates having a glass transition temperature from 0 C to 130 C, and a non-ionic or predominantly non-ionic dispersant having an acid number not higher than 100 mg KOH/g based on dry polymer weight. The white metal oxide pigment and anionic oxide particulates are present in the white ink at a weight ratio from 5:1 to 200:1.
    Type: Application
    Filed: April 27, 2015
    Publication date: January 4, 2018
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Vladek Kasperchik, Thomas W. Butler, Paul Joseph Bruinsma
  • Publication number: 20170369722
    Abstract: The present disclosure provides a white ink including an aqueous ink vehicle, from 5 wt % to 50 wt % of a white metal oxide pigment having an average particulate size from 100 nm to 2,000 nm, from 0.02 wt % to 2 wt % of an anionic low molecular weight polymer having a weight average molecular weight of 3,000 Mw to 50,000 Mw and an acid number higher than 100 mg KOH/g based on dry polymer weight, and from 2 wt % to 30 wt % of latex particulates having a glass transition temperature from 0 C to 130 C. Furthermore, the white metal oxide pigment is dispersed by a non-ionic or predominantly non-ionic dispersant having an acid number not higher than 100 mg KOH/g based on dry polymer weight.
    Type: Application
    Filed: April 27, 2015
    Publication date: December 28, 2017
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Paul Joseph Bruinsma, Vladek Kasperchik, Thomas W. Butler
  • Publication number: 20170361290
    Abstract: An aqueous radiation curable dispersant formulation includes water and styrene acrylic resin stabilized thioxanthone derivative photoinitiator particles dispersed in the water. The styrene acrylic resin stabilized thioxanthone derivative photoinitiator particles have a volume-weighted mean diameter of less than 40 nm. The styrene acrylic resin stabilized thioxanthone derivative photoinitiator particles include a water-insoluble, thioxanthone derivative photoinitiator core having one, two, or three units, wherein a structure of the unit is: and x=2-12. When the water-insoluble, thioxanthone derivative photoinitiator core includes two units or three units, the units are covalently bonded together.
    Type: Application
    Filed: January 29, 2015
    Publication date: December 21, 2017
    Inventors: Marcos A. Barreto Caban, Thomas W. Butler, Rodney David Stramel, Gregg A. Lane
  • Publication number: 20170362456
    Abstract: The present disclosure provides white pigment dispersions, which can include an aqueous liquid vehicle, and from 5 wt % to 70 wt % of a white metal oxide pigment dispersed by two co-dispersants. The metal oxide pigment can have an average particulate size from 100 nm to 1 ?m, and the co-dispersants can include both i) a short-chain anionic dispersant having a weight average molecular weight ranging from 1,000 Mw to 30,000 Mw, and ii) a non-ionic or predominantly non-ionic dispersant.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 21, 2017
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Paul Joseph Bruinsma, Vladek Kasperchik, Thomas W. Butler
  • Publication number: 20170355867
    Abstract: The present disclosure provides a white ink including an aqueous ink vehicle; from 5 wt % to 50 wt % of a white metal oxide pigment having an average particulate size from 75 nm to 2,000 nm and a refractive index of 1.8 to 2.8; and from 0.1 wt % to 15 wt % of fumed oxide particulates having a tertiary agglomerated average particulate size from 20 nm to 750 nm and a refractive index of 1.1 to 1.6. The white ink further includes a polymeric dispersant associated with a surface of the white metal oxide pigment.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 14, 2017
    Applicant: Hewlett-Packard Development Company L.P.
    Inventors: Vladek KASPERCHIK, Paul Joseph BRUINSMA, Thomas W. BUTLER
  • Publication number: 20160326391
    Abstract: An ink composition is described herein. In one example, an ink includes at least one pigment, at least one dispersant, and at least one durable polymer in a water-based dispersion medium including at least one hydrophilic solvent. The dispersant is present at from about 0.05 wt % to about 15 wt % of the ink composition. Further, the ink composition includes at least one dispersion additive.
    Type: Application
    Filed: January 22, 2014
    Publication date: November 10, 2016
    Inventors: Howard Doumaux, Max Yen, Thomas W. Butler
  • Patent number: 9175181
    Abstract: In one example, an anti-fouling latex ink includes a liquid vehicle, a pigment dispersed in the liquid vehicle, latex dispersed in the liquid vehicle, and a polystyrene anti-fouling additive dispersed in the liquid vehicle as a free solution. An illustrative method of formulating a latex inkjet ink includes forming a liquid vehicle with water as primary solvent, dispersing pigments in the liquid vehicle, and adding 0.01 wt % to 1 wt % of a polystyrene antifouling additive as a free solution to the liquid vehicle.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: November 3, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Thomas W. Butler, Andre Garcia, Rodney D. Stramel
  • Publication number: 20140043398
    Abstract: In one example, an anti-fouling latex ink includes a liquid vehicle, a pigment dispersed in the liquid vehicle, latex dispersed in the liquid vehicle, and a polystyrene anti-fouling additive dispersed in the liquid vehicle as a free solution. An illustrative method of formulating a latex inkjet ink includes forming a liquid vehicle with water as primary solvent, dispersing pigments in the liquid vehicle, and adding 0.01 wt % to 1 wt % of a polystyrene antifouling additive as a free solution to the liquid vehicle.
    Type: Application
    Filed: April 29, 2011
    Publication date: February 13, 2014
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Thomas W. Butler, Andre Garcia, Rodney D. Stramel
  • Patent number: 5528677
    Abstract: A configuration for a telecommunications network is disclosed in which service requests from subscribers are received into the network in a service manager which distributes the requests to appropriate service modules for composition of network instructions usable by network elements for providing telecommunications services corresponding to the requests.
    Type: Grant
    Filed: March 11, 1994
    Date of Patent: June 18, 1996
    Assignee: Sprint Communications Company L.P.
    Inventors: Thomas W. Butler, Lloyd K. Hacker, Sanjiv B. Jadhav, Alan B. Jessup, Renee J. Keffer, Isaac W. Lamm, Michael A. O'Brien, Charles C. Weber