Patents by Inventor Seref Sonmez

Seref Sonmez 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).

  • Lead recycling
    Patent number: 8323376
    Abstract: The present invention describes a method of recycling lead from lead containing waste, the method comprising the steps of mixing the battery paste with aqueous citric acid solution so as to generate lead citrate; isolating lead citrate from the aqueous solution; and converting the lead citrate to lead and/or lead oxide.
    Type: Grant
    Filed: November 6, 2007
    Date of Patent: December 4, 2012
    Assignee: Cambridge Enterprise Limited
    Inventors: Ramachandran Vasant Kumar, Vega Petrova Kotzeva, Seref Sonmez
  • LEAD RECYCLING
    Publication number: 20100040938
    Abstract: The present invention describes a method of recycling lead from lead containing waste, the method comprising the steps of mixing the battery paste with aqueous citric acid solution so as to generate lead citrate; isolating lead citrate from the aqueous solution; and converting the lead citrate to lead and/or lead oxide.
    Type: Application
    Filed: November 6, 2007
    Publication date: February 18, 2010
    Applicant: CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Ramachandran Vasant Kumar, Vega Petrova Kotzeva, Seref Sonmez