Patents by Inventor Christopher P. Karwas

Christopher P. Karwas 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).

  • Filled polymeric materials with modified filler particles
    Patent number: 9388295
    Abstract: The invention pertains to a process for manufacturing a filled polymeric material comprising a polymeric matrix and filler modified with functional particles in a high energy dry-blending process through collisions of sufficient energy to bound, adhere, or otherwise associate the pigment particles to the filler.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: July 12, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeffrey Michael Rose, Clyde Spencer Hutchins, Timothy Scott Wyant, Christopher P. Karwas
  • Process for manufactuing a filled polymeric materials with modified filler particles
    Patent number: 9371425
    Abstract: The invention pertains to filler modified with functional particles in a dry-blending process through collisions of sufficient energy to bound, adhere, or otherwise associate the pigment particles to the filler, and a filled polymeric material manufactured with the modified filler.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: June 21, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeffrey Michael Rose, Clyde Spencer Hutchins, Timothy Scott Wyant, Christopher P. Karwas
  • Process for manufacturing coated filler particles
    Patent number: 9365724
    Abstract: The invention pertains to a process for manufacturing filler modified with functional particles in a high energy blending process through collisions of sufficient energy to bound, adhere, or otherwise associate the pigment particles to the filler.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: June 14, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeffrey Michael Rose, Clyde Spencer Hutchins, Timothy Scott Wyant, Christopher P. Karwas
  • PROCESS FOR MANUFACTUING FILLED POLYMERIC MATERIALS WITH MODIFIED FILLER PARTICLES
    Publication number: 20150329706
    Abstract: The invention pertains to a process for manufacturing a filled polymeric material comprising a polymeric matrix and filler modified with functional particles in a high energy dry-blending process through collisions of sufficient energy to bound, adhere, or otherwise associate the pigment particles to the filler.
    Type: Application
    Filed: July 2, 2013
    Publication date: November 19, 2015
    Inventors: Jeffrey Michael Rose, Clyde Spencer Hutchins, Timothy Scott Wyant, Christopher P. Karwas
  • PROCESS FOR MANUFACTURING COATED FILLER PARTICLE
    Publication number: 20150218343
    Abstract: The invention pertains to filler modified with functional particles in a high energy dry-blending process through collisions of sufficient energy to bound, adhere, or otherwise associate the pigment particles to the filler.
    Type: Application
    Filed: July 1, 2013
    Publication date: August 6, 2015
    Inventors: Jeffrey Michael Rose, Clyde Spencer Hutchins, Timothy Scott Wyant, Christopher P. Karwas
  • PROCESS FOR MANUFACTURING COATED FILLER PARTICLES
    Publication number: 20150183996
    Abstract: The invention pertains to a process for manufacturing filler modified with functional particles in a high energy blending process through collisions of sufficient energy to bound, adhere, or otherwise associate the pigment particles to the filler.
    Type: Application
    Filed: July 1, 2013
    Publication date: July 2, 2015
    Inventors: Jeffrey Michael Rose, Clyde Spencer Hutchins, Timothy Scott Wyant, Christopher P. Karwas
  • PROCESS FOR MANUFACTUING A FILLED POLYMERIC MATERIALS WITH MODIFIED FILLER PARTICLES
    Publication number: 20150166739
    Abstract: The invention pertains to filler modified with functional particles in a dry-blending process through collisions of sufficient energy to bound, adhere, or otherwise associate the pigment particles to the filler, and a filled polymeric material manufactured with the modified filler.
    Type: Application
    Filed: July 1, 2013
    Publication date: June 18, 2015
    Applicant: E.I. DUPONT DE NEMOURS AND COMPANY
    Inventors: Jeffrey Michael Rose, Clyde Spencer Hutchins, Timothy Scott Wyant, Christopher P. Karwas