Patents by Inventor Levan Dadiani

Levan Dadiani 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 for processing polyester waste
    Patent number: 7745563
    Abstract: A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a modifying agent selected from the group comprising a combination of polysiloxane and a plasticizer selected from the group of phthalates, or a combination of silazanes and silanes is added to the shredded and dried waste mixture, the amount of the modifying agent being 4 to 6% by weight, based on the waste mixture.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: June 29, 2010
    Assignee: PTP Group Ltd.
    Inventors: Viktor Bulgakov, Levan Dadiani, George Javakhishvili
  • METHOD FOR PROCESSING POLYESTER WASTE
    Publication number: 20090124716
    Abstract: A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a modifying agent selected from the group comprising a combination of polysiloxane and a plasticizer selected from the group of phthalates, or a combination of silazanes and silanes is added to the shredded and dried waste mixture, the amount of the modifying agent being 4 to 6% by weight, based on the waste mixture.
    Type: Application
    Filed: January 8, 2009
    Publication date: May 14, 2009
    Applicant: PTP Plastic Technologies and Products B.V.
    Inventors: Viktor Bulgakov, Levan Dadiani, George Javakhishvili
  • Method for processing polyester wastes
    Patent number: 7491751
    Abstract: A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a modifying agent selected from the group comprising a combination of polysiloxane and a plasticizer selected from the group of phthalates, or a combination of silazanes and silanes is added to the shredded and dried waste mixture, the amount of the modifying agent being 4 to 6% by weight, based on the waste mixture.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: February 17, 2009
    Assignee: PTP Plastic Technologies and Products B.V.
    Inventors: Viktor Bulgakov, Levan Dadiani, George Javakhishvili
  • Method for treatment of polyester materials
    Publication number: 20060094793
    Abstract: A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a modifying agent selected from the group comprising a combination of polysiloxane and a plasticizer selected from the group of phthalates, or a combination of silazanes and silanes is added to the shredded and dried waste mixture, the amount of the modifying agent being 4 to 6% by weight, based on the waste mixture.
    Type: Application
    Filed: October 16, 2002
    Publication date: May 4, 2006
    Inventors: Viktor Bulgakov, Levan Dadiani, George Javakhishvili