Patents by Inventor Lui Shuanghui

Lui Shuanghui 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 and purification of hydroxy fatty acids from source oils
    Patent number: 8946461
    Abstract: A process for recovering, purifying and enriching hydroxy fatty acids from source oils. The process comprises the steps of: (a) methylating the source oil to form therein hydroxy fatty acid methyl esters and non-hydroxy fatty acid methyl esters; (b) separating the hydroxy fatty acid methyl esters from the non-hydroxy fatty acid methyl esters with an organic solvent mixture comprising a pentane/hexane and a short-chain alcohol; and (c) separately recovering the hydroxy fatty acid methyl esters and the non-hydroxy fatty acid methyl esters from the organic solvent mixture. Hydroxy fatty acids that can be recovered, purified and enriched with the process include ricinoleic acid, densipolic acid, lesquerolic acid, and auricolic acid. The non-hydroxy fatty acid methyl esters can be recovered, purified and further processed into biodiesel fuels and/or lubricants.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: February 3, 2015
    Assignee: Linnaeus Plant Sciences Inc.
    Inventors: Udaya Wanasundara, Jack Grushcow, Lui Shuanghui
  • RECOVERY AND PURIFICATION OF HYDROXY FATTY ACIDS FROM SOURCE OILS
    Publication number: 20130190519
    Abstract: A process for recovering, purifying and enriching hydroxy fatty acids from source oils. The process source oil comprises the steps of: (a) methylating the source oil to form therein hydroxy fatty acid methyl esters and non-hydroxy fatty acid methyl esters; (b) separating the hydroxy fatty acid methyl esters from the non-hydroxy fatty acid methyl esters with an organic solvent mixture comprising a pentane/hexane and a short-chain alcohol; and (c) separately recovering the hydroxy fatty acid methyl esters and the non-hydroxy fatty acid methyl esters from the organic solvent mixture. Hydroxy fatty acids that can be recovered, purified and enriched with the process include ricinoleic acid, densipolic acid, lesquerolic acid, and auricolic acid. The non-hydroxy fatty acid methyl esters can be recovered, purified and further processed into biodiesel fuels and/or lubricants.
    Type: Application
    Filed: May 17, 2011
    Publication date: July 25, 2013
    Applicant: LINNAEUS PLANT SCIENCES INC.
    Inventors: Udaya Wanasundara, Jack Grushcow, Lui Shuanghui