Patents by Inventor Yakov Semionovich Vygodskii

Yakov Semionovich Vygodskii 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).

  • Polyimide copolymer and metal laminate using the same
    Patent number: 6489436
    Abstract: Novel polyimide copolymer, which is a copolymer of isopropylidene-bis-(4-phenyleneoxy-4-phthalic acid)dianhydride and 6-amino-2-(p-aminophenyl)benzimidazole or a copolymer of two kinds of tetracarboxylic acid dianhydrides consisting of isopropylidene-bis-(4-phenyleneoxy-4-phthalic acid)dianhydride and 3,3′,4,4′-benxophenonetetracarboxylic acid dianhydride and 6-amino-2-(p-aminophenyl)benzimidazole, can form a metal laminate by direct lamination with metallic foils. The metal laminate can fully satisfy the peel strength.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: December 3, 2002
    Assignee: Nippon Mektron, Limited
    Inventors: Jenq-Tain Lin, Hiroyuki Sekine, Alexandre L'vovich Rusanov, Lyubov Borisovna Elchina, Calina Valentinovna Kazakova, Yakov Semionovich Vygodskii