Patents by Inventor Vipin Varma

Vipin Varma 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).

  • Polymer compositions containing carbonaceous fillers
    Patent number: 9117568
    Abstract: Compositions comprising carbonaceous filler, polymeric binder, and at least one organic compound having at least one charged functional group.
    Type: Grant
    Filed: April 3, 2010
    Date of Patent: August 25, 2015
    Assignee: Vorbeck Materials Corp.
    Inventors: Dan Scheffer, Vipin Varma
  • Graphene Compositions
    Publication number: 20120277360
    Abstract: Compositions comprising graphene sheets, at least one polymeric binder, and at least one polyalkyleneimine. The compositions may further comprise a liquid carrier. They may be in the form of a coating.
    Type: Application
    Filed: October 28, 2011
    Publication date: November 1, 2012
    Applicant: VORBECK MATERIALS CORP.
    Inventors: Dan Scheffer, Vipin Varma, Sanjay Monie
  • Polymeric Compositions Containing Graphene Sheets and Graphite
    Publication number: 20120142832
    Abstract: Compositions comprising at least one polymer binder, graphene sheets, and graphite, wherein the ratio by weight of graphite to graphene sheets is from about 40:60 to about 98:2.
    Type: Application
    Filed: April 3, 2010
    Publication date: June 7, 2012
    Applicant: VORBECK MATERIALS CORP.
    Inventors: Vipin Varma, Dan Scheffer, Carl R. Ginneman, JR., John S. Lettow
  • PROCESS FOR THE PREPARATION OF GRAPHITE OXIDE AND GRAPHENE SHEETS
    Publication number: 20120128570
    Abstract: A process for the preparation of graphite oxide from graphite using a permanganate salt and an aqueous sulfuric acid solution. The graphite oxide may be further reacted to form graphene sheets.
    Type: Application
    Filed: October 10, 2009
    Publication date: May 24, 2012
    Applicant: Vorbeck Materials Corp.
    Inventors: Gautham Krishnaiah, Vipin Varma
  • Graphene Compositions
    Publication number: 20110186786
    Abstract: Compositions comprising graphene sheets and at least one charged organic compound.
    Type: Application
    Filed: July 31, 2010
    Publication date: August 4, 2011
    Applicant: VORBECK MATERIALS CORP.
    Inventors: Dan Scheffer, John Lettow, Vipin Varma
  • Crosslinked Graphene and Graphite Oxide
    Publication number: 20110189452
    Abstract: Compositions comprising crosslinked graphene sheets and/or graphite oxide and having essentially no polymer binder and methods of making crosslinked graphene sheets and/or graphite oxide. The compositions can be made by crosslinking coatings comprising graphene sheets and/or graphite oxide.
    Type: Application
    Filed: July 31, 2010
    Publication date: August 4, 2011
    Applicant: VORBECK MATERIALS CORP.
    Inventors: John Lettow, Dan Scheffer, Vipin Varma, Kate Redmond
  • Crosslinkable and Crosslinked Compositions of Olefin Polymers and Graphene Sheets
    Publication number: 20110133134
    Abstract: Compositions comprising graphene sheets, at least one olefin polymer, and at least one crosslinking agent and crosslinked compositions comprising graphene sheets and at least one olefin polymer. A method of making a crosslinked composition comprising graphene sheets and at least one olefin polymer, coatings comprising the compositions, and a method of coating a surface with the compositions are disclosed.
    Type: Application
    Filed: June 9, 2010
    Publication date: June 9, 2011
    Applicant: VORBECK MATERIALS CORP.
    Inventors: Vipin Varma, Dan Scheffer
  • POLYMER COMPOSITIONS CONTAINING CARBONACEOUS FILLERS
    Publication number: 20110086206
    Abstract: Compositions comprising carbonaceous filler, polymeric binder, and at least one organic compound having at least one charged functional group.
    Type: Application
    Filed: April 3, 2010
    Publication date: April 14, 2011
    Applicant: VORBECK MATERIALS CORP.
    Inventors: Dan Scheffer, Vipin Varma
  • ONE-PART POLYSILOXANE INKS AND COATINGS AND METHOD OF ADHERING THE SAME TO A SUBSTRATE
    Publication number: 20100239871
    Abstract: One-part polysiloxane inks and coatings comprising at least one cross-linkable polysiloxane comprising pendant radical polymerizable groups, at least one pigment, and at least one polymerization initiator prior to curing. The inks and coatings may be applied to a substrate and cured.
    Type: Application
    Filed: December 18, 2009
    Publication date: September 23, 2010
    Applicant: VORBECK MATERIALS CORP.
    Inventors: Dan Scheffer, Vipin Varma