Patents by Inventor Hai-xing Wan

Hai-xing Wan 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).

  • Publication number: 20050173671
    Abstract: A single-part photographic bleach-fixing composition is provided which is formed by mixing at least a bleaching agent which includes an iron-ligand complex, a fixing agent including a thiosulfate, and at least one of a formula (A) compound or a formula (B) compound. Also provided are methods for processing a photographic material.
    Type: Application
    Filed: February 6, 2004
    Publication date: August 11, 2005
    Inventors: Yasufumi Nakai, Hai-Xing Wan
  • Patent number: 6838230
    Abstract: A method is provided that is suitable fur use in processing a digitally exposed translucent or transparent display material. The method includes exposing a translucent or transparent material to light emitted from a light source. The material contains at least one silver halide having a silver content of at least about 1 g/m2 based on the area of the material. The method also includes contacting the material with a color developer solution comprising at least one color developing agent and a compound having the following formula (I): in which each of a and b independently represents 1 to 4, and in which each of X and Y independently represents a hydrogen, sodium or potassium atom. The duration of the step (b) is from about 60 to about 180 seconds.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: January 4, 2005
    Assignee: Fuji Hunt Photographic Chemicals, Inc.
    Inventors: Hai-xing Wan, Robert S. Harvey
  • Publication number: 20040063043
    Abstract: A method is provided that is suitable fur use in processing a digitally exposed translucent or transparent display material. The method includes exposing a translucent or transparent material to light emitted from a light source. The material contains at least one silver halide having a silver content of at least about 1 g/m2 based on the area of the material.
    Type: Application
    Filed: September 20, 2002
    Publication date: April 1, 2004
    Inventors: Hai-Xing Wan, Robert S. Harvey