Patents by Inventor Michael Lenn Stefanski

Michael Lenn Stefanski 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: 20230270129
    Abstract: A refined oil comprising at least one polyunsaturated fatty acid (PUFA), wherein the oil has a fatty acid ester of monochloropropanediol, epoxypropanol, and mixtures thereof in an amount of 10 ppm or less, and processes for producing the oil. The oil is preferably a microbial or marine oil.
    Type: Application
    Filed: May 3, 2023
    Publication date: August 31, 2023
    Inventors: Michael Lenn STEFANSKI, Nasrin TABAYEHNEJAD, Chris Connor LUIGART
  • Patent number: 11672258
    Abstract: A refined oil comprising at least one polyunsaturated fatty acid (PUFA), wherein the oil has a fatty acid ester of monochloropropanediol, epoxypropanol, and mixtures thereof in an amount of 10 ppm or less, and processes for producing the oil. The oil is preferably a microbial or marine oil.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: June 13, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Michael Lenn Stefanski, Nasrin Tabayehnejad, Chris Connor Luigart
  • Publication number: 20180242609
    Abstract: A refined oil comprising at least one polyunsaturated fatty acid (PUFA), wherein the oil has a fatty acid ester of monochloropropanediol, epoxypropanol, and mixtures thereof in an amount of 10 ppm or less, and processes for producing the oil. The oil is preferably a microbial or marine oil.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 30, 2018
    Inventors: Michael Lenn STEFANSKI, Nasrin TABAYEHNEJAD, Chris Connor LUIGART
  • Publication number: 20150017304
    Abstract: An oil comprising (i) at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than about 1000 ppm lecithin. The oil may comprise less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative.
    Type: Application
    Filed: July 29, 2014
    Publication date: January 15, 2015
    Inventors: Michael Lenn Stefanski, Xuejun Tang, Kristine Sheila Crawford
  • Publication number: 20130316061
    Abstract: An oil comprising (i) at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than about 1000 ppm lecithin. The oil may comprise less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative.
    Type: Application
    Filed: November 1, 2012
    Publication date: November 28, 2013
    Inventors: Michael Lenn Stefanski, Xuejun Tang, Kristine Sheila Crawford