Patents by Inventor Yanmei Zeng

Yanmei Zeng 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 recovery of nobel metals from long-chain hydrocarbons, tars, oils
    Patent number: 9464340
    Abstract: The present invention relates to a method for recovery of noble metals from long-chain hydrocarbons, oils or tars, comprising a thermal treatment process in the presence of a defoaming agent having an ash fraction of 0.1% by weight or more.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: October 11, 2016
    Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG
    Inventors: Jose Manuel Romero, Bingan Liu, Yanmei Zeng
  • Method for Recovery of Nobel Metals from long-Chain Hydrocarbons, Tars, Oils
    Publication number: 20150101455
    Abstract: The present invention relates to a method for recovery of noble metals from long-chain hydrocarbons, oils or tars, comprising a thermal treatment process in the presence of a defoaming agent having an ash fraction of 0.1% by weight or more.
    Type: Application
    Filed: October 9, 2014
    Publication date: April 16, 2015
    Inventors: Jose Manuel Romero, Bingan Liu, Yanmei Zeng