Patents by Inventor Ana B. Descalzo

Ana B. Descalzo 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).

  • Difluoroboradiazaindacene dyes
    Patent number: 8389741
    Abstract: The invention relates to difluoroboradiazaindacene dyes of the formula (1) where R1=fluoro-substituted phenyl residue C6HmFn where n=1 to 5 and m+n=5; or fluoro-substituted naphthyl residue C10HmFn where n=1 to 9 and m+n=9; R2=CH3, C2H5, C3H7, or C4H9; R3=alkyl, aryl, or vinyl aryl; R4, R5=H, F, or an R4 and R5 bridging residue CH?CH—CH?CH; R6, R7=H, F, or an R6 and R7 bridging residue CH?CH—CH?CH; and R8=alkyl or aryl.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: March 5, 2013
    Assignee: Bam Bundesanstalt fuer Materialforschung und-Pruefung
    Inventors: Knut Rurack, Ana B. Descalzo, Tobias Fischer, Thomas Behnke
  • DIFLUOROBORADIAZAINDACENE DYES
    Publication number: 20110054187
    Abstract: The invention relates to difluoroboradiazaindacene dyes of the formula (1) where R1=fluoro-substituted phenyl residue C6HmFn where n=1 to 5 and m+n=5; or fluoro-substituted naphthyl residue C10HmFn where n=1 to 9 and m+n=9; R2=CH3, C2H5, C3H7, or C4H9; R3=alkyl, aryl, or vinyl aryl; R4, R5=H, F, or an R4 and R5 bridging residue CH?CH—CH?CH; R6, R7=H, F, or an R6 and R7 bridging residue CH?CH—CH?CH; and R8=alkyl or aryl.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 3, 2011
    Applicant: BAM Bundesanstalt fuer Materialforschung und -pruefung
    Inventors: KNUT RURACK, Ana B. Descalzo, Tobias Fischer, Thomas Behnke