Patents by Inventor Rayna Stamenova

Rayna Stamenova 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).

  • Method of producing a poly (ethylene oxide) copolymerised with at least one other alkylene oxide
    Patent number: 8293866
    Abstract: The present invention relates to a method of producing a poly(ethylene oxide) copolymerized with one alkylene oxide and to a poly(ethylene oxide-co-alkylene oxide) copolymer produced by such method, a photovoltaic device containing such poly(ethylene oxide-co-alkylene oxide)-copolymer, and to uses of such poly(ethylene oxide)-(alkylene oxide)-copolymer.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: October 23, 2012
    Assignee: Sony Deutschland GmbH
    Inventors: Gabriele Nelles, Silvia Rosselli, Tzenka Miteva, Akio Yasuda, Christo Tsvetanov, Rayna Stamenova, Iliyana Berlinova, Petar Petrov
  • Method of forming a crosslinked polymer gel
    Patent number: 7893125
    Abstract: The present invention relates to a method of forming a crosslinked polymer gel, to a polymer gel produced by such method and to uses of such polymer gel.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: February 22, 2011
    Assignee: Sony Deutschland GmbH
    Inventors: Gabriele Nelles, Silvia Rosselli, Tzenka Miteva, Akio Yasuda, Christo Tsvetanov, Rayna Stamenova, Iliyana Berlinova, Petar Petrov
  • METHOD OF PRODUCING A POLY (ETHYLENE OXIDE ) COPOLYMERISED WITH AT LEAST ONE OTHER ALKYLENE OXIDE
    Publication number: 20100056753
    Abstract: The present invention relates to a method of producing a poly(ethylene oxide) copolymerized with one alkylene oxide and to a poly(ethylene oxide-co-alkylene oxide) copolymer produced by such method, a photovoltaic device containing such poly(ethylene oxide-co-alkylene oxide)-copolymer, and to uses of such poly(ethylene oxide)-(alkylene oxide)-copolymer.
    Type: Application
    Filed: March 27, 2007
    Publication date: March 4, 2010
    Applicant: SONY DEUTSCHALND GMBH
    Inventors: Gabriele Nelles, Silvia Rosselli, Tzenka Miteva, Akio Yasuda, Christo Tsvetanov, Rayna Stamenova, Iliyana Berlinova, Petar Petrov
  • METHOD OF FORMING A CROSSLINKED POLYMER GEL
    Publication number: 20090030102
    Abstract: The present invention relates to a method of forming a crosslinked polymer gel, to a polymer gel produced by such method and to uses of such polymer gel.
    Type: Application
    Filed: March 19, 2007
    Publication date: January 29, 2009
    Applicant: Sony Deutschland GmbH
    Inventors: Gabriele NELLES, Silvia ROSSELLI, Tzenka MITEVA, Akio YASUDA, Christo TSVETANOV, Rayna STAMENOVA, Iliyana BERLINOVA, Petar PETROV