Patents by Inventor Chunnan Gao

Chunnan Gao 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).

  • Metal composite and method of preparing the same
    Patent number: 9637835
    Abstract: A method of preparing a metal composite, comprising the steps of: forming an anodic oxidation layer on a surface of a metal substrate; forming a dye layer comprising a dye and a water soluble ink on the anodic oxidation layer, wherein the dye layer has a graduated thickness; and removing the water soluble ink.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: May 2, 2017
    Assignee: BYD COMPANY LIMITED
    Inventors: Chunnan Gao, Liang Chen
  • METAL COMPOSITE AND METHOD OF PREPARING THE SAME
    Publication number: 20150292102
    Abstract: A method of preparing a metal composite, comprising the steps of: forming an anodic oxidation layer on a surface of a metal substrate; forming a dye layer comprising a dye and a water soluble ink on the anodic oxidation layer, wherein the dye layer has a graduated thickness; and removing the water soluble ink.
    Type: Application
    Filed: July 9, 2013
    Publication date: October 15, 2015
    Applicant: BYD COMPANY LIMITED
    Inventors: CHUNNAN GAO, LIANG CHEN
  • Sealing reagent for aluminum alloy
    Patent number: 8449667
    Abstract: A nickel-free sealing reagent comprises an alkyl sodium sulfonate compound, a dispersing agent, and a siloxane defoaming agent. A method of sealing an alloy comprises applying a nickel-free sealing reagent to the alloy, wherein the sealing agent comprises an alkyl sodium sulfonate compound, a dispersing agent, and a siloxane defoaming agent.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: May 28, 2013
    Assignee: BYD Co. Ltd.
    Inventors: Ping Lu, Chunnan Gao, Xiaolu Cui
  • COMPOSITE MATERIAL AND PREPARING METHOD OF THE SAME
    Publication number: 20120015172
    Abstract: The present invention discloses a composite material comprising: a substrate with an anodic oxide film layer having micropores; and at least one kind of dye filled in the micropores, wherein amount of the same kind of dye is gradient distribution on at least part of the substrate. The composite material has an even, metal gloss, uneasily scratched and wore out surface with gradually changed color. Moreover, the present invention also provided a method of preparing the same.
    Type: Application
    Filed: January 6, 2010
    Publication date: January 19, 2012
    Applicant: BYD Company Limited
    Inventors: Chunnan Gao, Ping Lu, Aihua Li, Liang Chen
  • SEALING REAGENT FOR ALUMINUM ALLOY
    Publication number: 20100129560
    Abstract: A nickel-free sealing reagent comprises an alkyl sodium sulfonate compound, a dispersing agent, and a siloxane defoaming agent. A method of sealing an alloy comprises applying a nickel-free sealing reagent to the alloy, wherein the sealing agent comprises an alkyl sodium sulfonate compound, a dispersing agent, and a siloxane defoaming agent.
    Type: Application
    Filed: October 22, 2009
    Publication date: May 27, 2010
    Inventors: Ping Lu, Chunnan Gao, Xiaolu Cui