Patents by Inventor James-Jianjun Wei

James-Jianjun Wei 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).

  • Low ash lubricant and fuel additive comprising alkoxylated amine
    Patent number: 11680217
    Abstract: A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: June 20, 2023
    Assignee: LANXESS Corporation
    Inventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei
  • Low Ash Lubricant and Fuel Additive Comprising Alkoxylated Amine
    Publication number: 20200071630
    Abstract: A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.
    Type: Application
    Filed: July 16, 2019
    Publication date: March 5, 2020
    Applicant: Lanxess Solutions US Inc.
    Inventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei
  • Low ash lubricant and fuel additive comprising alkoxylated amine
    Patent number: 10370611
    Abstract: A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: August 6, 2019
    Assignee: LANXESS Solutions US Inc.
    Inventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei
  • Low ash lubricant and fuel additive comprising polyamine
    Patent number: 9546341
    Abstract: A metal-free detergent and antioxidant additive comprising the reaction product of an acidic organic compound, a boron compound, a polyamine such as polyethylene imine, and optionally an alkoxylated amine and/or an alkoxylated amide, is provided. The additives of the present invention have higher TBN than similar compounds known in the art.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: January 17, 2017
    Assignee: Chemtura Corporation
    Inventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei
  • Low Ash Lubricant and Fuel Additive Comprising Alkoxylated Amine
    Publication number: 20160281014
    Abstract: A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 29, 2016
    Inventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei
  • Low Ash Lubricant and Fuel Additive Comprising Polyamine
    Publication number: 20150299606
    Abstract: A metal-free detergent and antioxidant additive comprising the reaction product of an acidic organic compound, a boron compound, a polyamine such as polyethylene imine, and optionally an alkoxylated amine and/or an alkoxylated amide, is provided. The additives of the present invention have higher TBN than similar compounds known in the art.
    Type: Application
    Filed: March 23, 2015
    Publication date: October 22, 2015
    Inventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei