Patents by Inventor Stephen KWAO

Stephen KWAO 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: 20230371502
    Abstract: The present invention describes a method for treating a biological material, said method comprising exposing the biological material to vacuum impregnation or pressure impregnation, preferably vacuum impregnation, in an aqueous impregnation solution comprising at least one surfactant.
    Type: Application
    Filed: October 22, 2021
    Publication date: November 23, 2023
    Inventors: Eda DEMIR WESTMAN, Katarzyna Maria DYMEK-KRAKOWIAK, Bengt EKELUND, Per LILJA, Nils RHODIN, Stephen KWAO, Ahmad HUSAIN
  • Publication number: 20230329231
    Abstract: The present invention is directed to a cut flower with at least one leaf, wherein the silver content is at least 3.0 mg/kg dry substance in said at least one leaf, preferably at least 5.0 mg/kg dry substance in said at least one leaf, more preferably at least 7.0 mg/kg dry substance in said at least one leaf, more preferably at least 10.0 mg/kg dry substance in said at least one leaf, more preferably at least 15.0 mg/kg dry substance in said at least one leaf, more preferably at least 20.0 mg/kg dry substance in said at least one leaf, more preferably at least 25.0 mg/kg dry substance in said at least one leaf, most preferably at least 30.0 mg/kg dry substance in said at least one leaf.
    Type: Application
    Filed: September 17, 2021
    Publication date: October 19, 2023
    Inventors: Katarzyna Maria DYMEK-KRAKOWIAK, Stephen KWAO, Bengt EKELUND, Ahmad HUSAIN
  • Publication number: 20230107926
    Abstract: The present invention describes a method for treating a biological object being a cutting, root, sprout, budwood, root-stock, forest plant, fruit, vegetable, green leave, bulb, seed, or berry, said method comprising — arranging the biological object in an aqueous impregnation solution so that at least a portion of the biological object is immersed in the impregnation solution, but where at least another part of the biological object is kept free from aqueous impregnation solution; and — applying vacuum impregnation or pressure impregnation, preferably vacuum impregnation, to the aqueous impregnation solution when said at least portion of the biological object is immersed into the aqueous impregnation solution.
    Type: Application
    Filed: March 3, 2021
    Publication date: April 6, 2023
    Inventors: Eda DEMIR WESTMAN, Katarzyna DYMEK KRAKOWIAK, Stephen KWAO, Revekka Papaioannou, Ahmad Husain
  • Publication number: 20220256841
    Abstract: The present invention describes a method for treating one or more cut flowers each including a stem, possibly leaves and a flower bud, said method comprising—arranging one or more cut flowers in an impregnation solution so that at least a portion of the stem of said one or more cut flowers are immersed in the impregnation solution, but where the flower bud is free from impregnation solution; and—applying vacuum impregnation or pressure impregnation, preferably vacuum 10 impregnation, to the impregnation solution when said at least portion of the stem are immersed into the impregnation solution.
    Type: Application
    Filed: July 21, 2020
    Publication date: August 18, 2022
    Inventors: Katarzyna Maria Dymek-Krakowiak, Stephen Kwao
  • Publication number: 20200281219
    Abstract: The present invention describes a method for treatment of biological soft tissue, said method comprising a step involving pulsed electric field (PEF) treatment to open up the stomata in tissues and a subsequent drying step, wherein the PEF treatment is performed in an electrical field with a field strength in the range of 0.4-1.5 kV/cm to provide enhanced rate of moisture removal during dehydration without irreversible damage on epidermal cells, wherein the PEF treatment is performed with reversible electroporation and wherein the temperature in the drying step is held within the range of 20-55° C.
    Type: Application
    Filed: April 4, 2017
    Publication date: September 10, 2020
    Inventors: Eda DEMIR, Katarzyna DYMEK, Federico GOMEZ, Stephen KWAO, Allan RASMUSSON, Maria Elena VICENTE DAMAS