Patents by Inventor Mehrgan Khavari

Mehrgan Khavari 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: 11780989
    Abstract: Build materials for 3D printing applications are described herein which, in some embodiments, comprise a dye component operable to alter spectral characteristics of the printed part over the course of the build cycle. In some embodiments, for example, the dye component can provide desirable light penetration depth during article printing and sufficient optical clarity during final light curing processes.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: October 10, 2023
    Assignee: 3D SYSTEMS, INC.
    Inventors: Mehrgan Khavari, Khalil Moussa, Scott Broce
  • Publication number: 20230227590
    Abstract: build materials for 3D printing applications are described herein which, in some embodiments, comprise monomeric species operable for producing articles with high Tg and/or high heat deflection temperature while maintaining shelf stability. In one aspect, a polymerizable liquid comprises at least 20 weight percent isocyanurate polyacrylate; a photoinitiator component; and a crystallization inhibitor component comprising monomeric curable material, oligomeric curable material or mixtures thereof, wherein the polymerizable liquid does not exhibit crystallization over a period of 28 days at a storage temperature of 5-10° C.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 20, 2023
    Inventors: Mehrgan Khavari, Khalil Moussa, Scott Broce
  • Patent number: 11584811
    Abstract: Build materials for 3D printing applications are described herein which, in some embodiments, comprise monomeric species operable for producing articles with high Tg and/or high heat deflection temperature while maintaining shelf stability. In one aspect, a polymerizable liquid comprises at least 20 weight percent isocyanurate polyacrylate; a photoinitiator component; and a crystallization inhibitor component comprising monomeric curable material, oligomeric curable material or mixtures thereof, wherein the polymerizable liquid does not exhibit crystallization over a period of 28 days at a storage temperature of 5-10° C.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: February 21, 2023
    Assignee: 3D Systems, Inc.
    Inventors: Mehrgan Khavari, Khalil Moussa, Scott Broce
  • Publication number: 20220363867
    Abstract: Build materials for 3D printing applications are described herein which, in some embodiments, comprise a dye component operable to alter spectral characteristics of the printed part over the course of the build cycle. In some embodiments, for example, the dye component can provide desirable light penetration depth during article printing and sufficient optical clarity during final light curing processes.
    Type: Application
    Filed: May 27, 2022
    Publication date: November 17, 2022
    Inventors: Mehrgan KHAVARI, Khalil MOUSSA, Scott BROCE
  • Patent number: 11377538
    Abstract: Build materials for 3D printing applications are described herein which, in some embodiments, comprise a dye component operable to alter spectral characteristics of the printed part over the course of the build cycle. In some embodiments, for example, the dye component can provide desirable light penetration depth during article printing and sufficient optical clarity during final light curing processes.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: July 5, 2022
    Assignee: 3D SYSTEMS, INC.
    Inventors: Mehrgan Khavari, Khalil Moussa, Scott Broce
  • Publication number: 20210095059
    Abstract: build materials for 3D printing applications are described herein which, in some embodiments, comprise monomeric species operable for producing articles with high Tg and/or high heat deflection temperature while maintaining shelf stability. In one aspect, a polymerizable liquid comprises at least 20 weight percent isocyanurate polyacrylate; a photoinitiator component; and a crystallization inhibitor component comprising monomeric curable material, oligomeric curable material or mixtures thereof, wherein the polymerizable liquid does not exhibit crystallization over a period of 28 days at a storage temperature of 5-10° C.
    Type: Application
    Filed: October 1, 2020
    Publication date: April 1, 2021
    Inventors: Mehrgan KHAVARI, Khalil MOUSSA, Scott BROCE
  • Publication number: 20210095094
    Abstract: Build materials for 3D printing applications are described herein which, in some embodiments, comprise a dye component operable to alter spectral characteristics of the printed part over the course of the build cycle. In some embodiments, for example, the dye component can provide desirable light penetration depth during article printing and sufficient optical clarity during final light curing processes.
    Type: Application
    Filed: October 1, 2020
    Publication date: April 1, 2021
    Inventors: Mehrgan Khavari, Khalil Moussa, Scott Broce
  • Patent number: 10876011
    Abstract: An inkjet ink including: a solvent; a solvent-soluble dye; 0.1 wt. % to 1 wt. % of the ink of a perfluoropolyether; and 0.1 wt. % to 2 wt. % of the ink of a polymeric surfactant, wherein the polymeric surfactant comprises an alkyl domain.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: December 29, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Mehrgan Khavari
  • Publication number: 20190194483
    Abstract: An inkjet ink including: a solvent; a solvent-soluble dye; 0.1 wt. % to 1 wt. % of the ink of a perfluoropolyether; and 0.1 wt. % to 2 wt. % of the ink of a polymeric surfactant, wherein the polymeric surfactant comprises an alkyl domain.
    Type: Application
    Filed: October 21, 2016
    Publication date: June 27, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventor: Mehrgan KHAVARI
  • Publication number: 20190135007
    Abstract: The present disclosure is drawn to printing systems. In one example, a printing system can include a pretreatment head and an inkjet print head. The pretreatment head can include a plasma generator to apply a plasma treatment to a polyolefin media substrate. The inkjet print head can be positioned with respect to the pretreatment head to form a printed image on the polyolefin media substrate after the plasma treatment.
    Type: Application
    Filed: July 19, 2016
    Publication date: May 9, 2019
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: James P. SHIELDS, Mehrgan KHAVARI
  • Publication number: 20190119517
    Abstract: An inkjet ink including: a first solvent; a dye soluble in the first solvent; 0.1 wt. % to 1 wt. % of the ink of a perfluoropolyether; and 0.1 wt. % to 3 wt. % of the ink of a leveling agent dissolved in the ink.
    Type: Application
    Filed: October 21, 2016
    Publication date: April 25, 2019
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventor: Mehrgan Khavari
  • Patent number: 9068096
    Abstract: An ink is disclosed. The ink composition includes an ink vehicle, a colorant, and a fluorosurfactant, wherein the fluorosurfactant is a polymer having the general formula: wherein p is any integer, q is any integer, Z1 and Z2 are each fluorine or any functional group, and R1, R2, R3 are each fluorine, any alkyl group, or any functional group, and wherein R1, R2, R3, Z1, and Z2 are not all fluorine and the fluorosurfactant lowers the surface tension of the ink vehicle. A method for improving a property of an ink is also disclosed.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: June 30, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sterling Chaffins, Kevin P. DeKam, Jayprakash C Bhatt, Mehrgan Khavari
  • Patent number: 9017467
    Abstract: A solvent-based inkjet ink includes a soluble dye and approximately 0.1 to 1 wt % weight of the ink of a perfluoro-polyether.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: April 28, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Mehrgan Khavari
  • Publication number: 20140137766
    Abstract: An ink is disclosed. The ink composition includes an ink vehicle, a colorant, and a fluorosurfactant, wherein the fluorosurfactant is a polymer having the general formula: wherein p is any integer, q is any integer, Z1 and Z2 are each fluorine or any functional group, and R1, R2, R3 are each fluorine, any alkyl group, or any functional group, and wherein R1, R2, R3, Z1, and Z2 are not all fluorine and the fluorosurfactant lowers the surface tension of the ink vehicle. A method for improving a property of an ink is also disclosed.
    Type: Application
    Filed: July 28, 2011
    Publication date: May 22, 2014
    Inventors: Sterling Chaffins, Kevin P. DeKam, Jayprakash C. Bhatt, Mehrgan Khavari
  • Patent number: 8722167
    Abstract: Imaging layers, optical disks, and methods of preparation of each, are disclosed.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: May 13, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Mehrgan Khavari
  • Patent number: 8652607
    Abstract: Imaging layers, optical disks, and methods of preparation of each, are disclosed.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: February 18, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Paul Felice Reboa, Mehrgan Khavari, Susan E. Bailey
  • Publication number: 20130327247
    Abstract: A solvent-based inkjet ink includes a soluble dye and approximately 0.1 to 1 wt % weight of the ink of a perfluoro-polyether.
    Type: Application
    Filed: March 7, 2011
    Publication date: December 12, 2013
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventor: Mehrgan Khavari
  • Patent number: 8506695
    Abstract: Coating compositions and industrial packages including the coating compositions are disclosed.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: August 13, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Molly L. Hladik, Mehrgan Khavari, Cari L. Dorsh
  • Patent number: 7938512
    Abstract: The described embodiments relate to slotted substrates. One exemplary method forms a feature into a substrate, at least in part, by directing a laser beam at the substrate. During at least a portion of said directing, the method supplies a conductive material proximate the substrate.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: May 10, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jong-Souk Yeo, Mark Huth, Mehrgan Khavari, Alexey S Kabalnov, Craig M. Gates, Sean P Mcclelland
  • Publication number: 20110085435
    Abstract: Imaging layers, optical disks, and methods of preparation of each, are disclosed.
    Type: Application
    Filed: June 25, 2008
    Publication date: April 14, 2011
    Inventors: Paul Felice Reboa, Mehrgan Khavari, Susan E. Bailey