Patents by Inventor Yaakov Rachmilevitch

Yaakov Rachmilevitch 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).

  • Poly (pentabromobenzyl acrylate) having specific properties
    Patent number: 9493584
    Abstract: Poly (pentabromobenzyl acrylate) having weight average molecular weight (Mw) in the range from 4,000 to 120,000 and polydispersity index of less than 10 as determined by high temperature gel permeation chromatography, wherein the glass transition temperature of the poly (pentabromobenzyl acrylate) is not more than 150 C.°, the poly (pentabromobenzyl acrylate) includes chains which are terminated by an end group derived from a chain length regulator, wherein the end group is a thiol group —SR1, and wherein R1, is a linear or branched alkyl group composed of not less than 8 carbon atom.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: November 15, 2016
    Assignee: BROMINE COMPOUNDS LTD.
    Inventors: Bertha Croitoru, Dov Beruben, Michael Peled, Yaakov Rachmilevitch, Yaniv Hirschsohn, Yelena Epshtein Assor, Ella Rapaport, Dan Kopel
  • PROCESS FOR THE POLYMERIZATION OF PENTABROMOBENZYL (METH) ACRYLATE, THE POLYMER OBTAINED AND USES THEREOF
    Publication number: 20150259440
    Abstract: The invention provides a solution polymerization process, comprising polymerizing pentabromobenzyl acrylate or pentabromobenzyl methacrylate in a mixture of water-miscible aprotic solvent and water, in the presence of a water-soluble free radical initiator and preferably also chain length regulator. The polymers obtained and their uses as flame retardants in polypropylene, HIPS, ABS and textile products are also disclosed.
    Type: Application
    Filed: October 17, 2013
    Publication date: September 17, 2015
    Inventors: Bertha Croitoru, Dov Beruben, Michael Peled, Yaakov Rachmilevitch, Yaniv Hirschsohn, Yelena Epshtein Assor, Ella Rapaport, Dan Kopel