Patents by Inventor Tyngbin Onlin

Tyngbin Onlin 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).

  • Recovery of silver from photographic film and photographic development waste solution
    Patent number: 5238543
    Abstract: A process which incorporates the recovery of silver from photographic film into the recovery of silver from photographic development waste solution is provided. In the process, a silver bearing emulsion layer coated on the surface of the photographic film is dissolved in the waste solution which is in turn subjected to an electrolysis treatment to recover metallic silver therefrom.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: August 24, 1993
    Assignee: Industrial Technology Research Institute
    Inventors: Tyngbin Onlin, Jeng-Shyong Jean, Pak-Hing Lee, Tei-Chih Cheau
  • Process for recovering silver oxide and metals from spent silver oxide button cells
    Patent number: 5221325
    Abstract: A process for recovering silver oxide and metals from a spent silver oxide button cell. The process relates to a physical process which consists of a heating and a cooling process to separate the shell and the content (silver, silver oxide) of the spent silver oxide cell, so that silver oxide, silver and other metals such as zinc, iron and nickel can be recovered and reused.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: June 22, 1993
    Assignee: Industrial Technology Research Institute
    Inventors: Tyngbin Onlin, Bih-Shyang Huang, Pak-Hing Lee, Tei-Chih Cheau