Patents by Inventor Valentina T. Skripkina

Valentina T. Skripkina 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).

  • GREEN ORGANIC LUMINOPHOR
    Publication number: 20020043656
    Abstract: The invention is an innovative, economical chemical compound 1-phenyl-5-(p-methoxyphenyl)-3-[1,8-naphthoylene-1′,2′-benzimidazol-4-yl]-2-pyrazol of the general formula 1: 1
    Type: Application
    Filed: April 6, 2001
    Publication date: April 18, 2002
    Inventors: Victor M. Shershukov, Valentina T. Skripkina
  • Synthesis of pyrazolinylnaphthalic acid derivatives
    Patent number: 6288232
    Abstract: The invention pertains to a method for preparing derivatives of the pyrazolinylnaphthalic acid having the general formula where Ar1 and Ar2 are unsubstituted or substituted phenyl radicals bearing in the para position an alkylated or acylated oxy- or amino group, or a polynuclear aryl radical, and Ar3 is a substituted N-naphthalimid or 1,8-naphthylene-1′,2′-benzimidazole. Compounds of the above general formula are high-efficient red organic luminophors and are used widely as luminescent components of dyes for plastics and liquid scintillators, in hydrogeology to study water streams, to label the chemical industry wastewaters, as laser dyes, etc.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: September 11, 2001
    Assignee: eMagin Corporation
    Inventors: Victor M. Shershukov, Valentina T. Skripkina
  • Synthesis of pyrazolinylnaphthalic acid derivatives
    Publication number: 20010012905
    Abstract: The invention pertains to a method for preparing derivatives of the pyrazolinylnaphthalic acid having the general formula 1
    Type: Application
    Filed: December 21, 2000
    Publication date: August 9, 2001
    Inventors: Victor M. Shershukov, Valentina T. Skripkina