Patents by Inventor Yeflm Blyakhman

Yeflm Blyakhman 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).

  • Benzoxazine Compounds Derivated From Phenolphtalein Having Flame-Retardant Properties And A Process For Their Preparation
    Publication number: 20110152453
    Abstract: The instant invention relates to 3,3?-bis(3,4-dihydro-3-phenyl-2H-1,3-benzoxazin-6-yl)-1(3H)-isobenzofuranone and analogues based on phenolphthalein, formaldehyde and a primary amine. Such compounds are, when cured to form polymeric networks, difficultly inflammable and resistant to high temperatures. Such compounds may especially be used in the production of printed wiring boards.
    Type: Application
    Filed: September 27, 2005
    Publication date: June 23, 2011
    Applicant: Huntsman Advanced Materials Americas Inc.
    Inventors: Roger Tietze, Dave Orser, Yeflm Blyakhman, Mark Bryant, Bor-Sheng Lin