Patents by Inventor Thomas Zak

Thomas Zak 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).

  • Process of making metal nanoparticles
    Patent number: 8101005
    Abstract: A process is described for making metal nanoparticles comprising (a) forming a liquid melt of a first metal having the composition of the desired nanoparticles and a second metal; (b) quenching the melt to form a solid; and (c) removing the second metal from the solid and forming the nanoparticles comprising the first metal.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: January 24, 2012
    Assignee: Cima NanoTech Israel Ltd.
    Inventors: Arkady Garbar, Dmitry Lekhtman, Thomas Zak, Fernando de la Vega
  • PROCESS OF MAKING METAL NANOPARTICLES
    Publication number: 20090158890
    Abstract: A process is described for making metal nanoparticles comprising (a) forming a liquid melt of a first metal having the composition of the desired nanoparticles and a second metal; (b) quenching the melt to form a solid; and (c) removing the second metal from the solid and forming the nanoparticles comprising the first metal.
    Type: Application
    Filed: December 21, 2007
    Publication date: June 25, 2009
    Inventors: Arkady Garbar, Dmitry Lekhtman, Thomas Zak, Fernando de la Vega
  • PROCESS FOR PRODUCING ULTRA-FINE POWDER OF CRYSTALLINE SILICON
    Publication number: 20090010833
    Abstract: A method of producing a fine powder of crystalline silicon.
    Type: Application
    Filed: November 28, 2007
    Publication date: January 8, 2009
    Inventors: Valery Rosenband, Arkady Garbar, Chariana Sokolinsky, Dmitry Lekhtman, Fernando de la Vega, Thomas Zak
  • Selective olefin oligomerization
    Publication number: 20070083069
    Abstract: The present invention relates to a process for the oligomerization of an olefin in the presence of a selectivity enhancing alcohol modifier wherein the modifier is formed by the reaction of olefin and water in a first reaction, and the thus formed modifier substantially free of water is separated and passed to a second reaction wherein olefin is oligomerized in the presence of the said modifier.
    Type: Application
    Filed: October 7, 2005
    Publication date: April 12, 2007
    Inventors: Lawrence Candela, Thomas Zak
  • Diisobutylene production
    Publication number: 20070043247
    Abstract: A method for forming diisobutylene from a hydrocarbon stream that contains acetylenics and a low concentration of isobutylene, comprising at least reducing the acetylenic content of the stream before catalytically oligomerizing the isobutylene to diisobutylene.
    Type: Application
    Filed: August 19, 2005
    Publication date: February 22, 2007
    Inventors: Kenneth Webber, Thomas Zak
  • Diisobutylene process
    Publication number: 20060241326
    Abstract: This invention is a process for producing diisobutylene from isobutylene. The process comprises first forming dry sulfonic acid resin by contacting water wet sulfonic acid resin catalyst with a first reaction feed comprising isobutylene under conditions effective to produce tertiary butyl alcohol from the reaction of isobutylene and water, and then contacting the dry sulfonic acid resin with a second reaction feed comprising isobutylene under conditions effective to oligomerize isobutylene to produce diisobutylene.
    Type: Application
    Filed: April 22, 2005
    Publication date: October 26, 2006
    Inventor: Thomas Zak
  • Diisobutylene process
    Publication number: 20060111598
    Abstract: This invention is a process for producing diisobutylene from isobutylene. The process comprises contacting isobutylene with a solid adsorbent to remove sulfur and/or nitrogen impurities from the isobutylene, followed by oligomerizing the isobutylene to diisobutylene using a sulfonic acid-type ion exchange resin. The solid adsorbent removes sulfur and/or nitrogen impurities from the isobutylene and surprisingly increases both catalyst activity and catalyst life of the sulfonic acid-type ion exchange resin.
    Type: Application
    Filed: November 22, 2004
    Publication date: May 25, 2006
    Inventors: Shaw-Chan Lin, Andrew Kahn, Thomas Zak