Patents by Inventor Regina-Margareta BERG

Regina-Margareta BERG 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).

  • SOLUTION OF POLYSULFONE POLYMERS IN GAMMA-VALEROLACTONE FOR THE USE IN MEMBRANES
    Publication number: 20230146760
    Abstract: Described herein is a solution including at least one sulfone polymer, at least one water-soluble polymer, and gamma-valerolactone. Also described herein is a process of making a membrane using the solution, and a method of using the membrane for water ultrafiltration and/or dialysis.
    Type: Application
    Filed: June 8, 2021
    Publication date: May 11, 2023
    Inventors: Oliver GRONWALD, Daniela KLEIN, Martin WEBER, Regina-Margareta BERG
  • Aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran and/or unsaturated derivatives thereof
    Patent number: 11591543
    Abstract: The present invention relates to aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran, a 3,5-diethyl-2-propyl-dihydropyran or a 3,5-diethyl-2-propyl-pyran, a mixture of such compounds, a stereoisomer of one of these compounds, or a mixture of stereoisomers of one or more of these compounds. The invention further relates to a method for preparing such compounds, stereoisomers or mixtures thereof, to the composition obtainable by this method, to the use of such compounds as an aroma chemical or for modifying the scent character of a fragranced composition; and to a method for preparing a fragranced composition or for modifying the scent character of a fragranced composition using said compounds. Moreover, the invention relates to 3,5-diethyl-2-propyl-tetrahydropyran, to its stereoisomers and to mixtures of these stereoisomers.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: February 28, 2023
    Assignee: BASF SE
    Inventors: Nicolas Marion, Rolf Pinkos, Stefan Ruedenauer, Florian Garlichs, Ralf Pelzer, Roman Dostalek, Joachim Pfeffinger, Anja Vinckier, Stephanie Renz, Christoph Stock, Regina-Margareta Berg, Miriam Bru Roig, Margarethe Klos
  • AROMA CHEMICAL COMPOSITIONS CONTAINING 3,5-DIETHYL-2-PROPYL-TETRAHYDROPYRAN AND/OR UNSATURATED DERIVATIVES THEREOF
    Publication number: 20210403826
    Abstract: The present invention relates to aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran, a 3,5-diethyl-2-propyl-dihydropyran or a 3,5-diethyl-2-propyl-pyran, a mixture of such compounds, a stereoisomer of one of these compounds, or a mixture of stereoisomers of one or more of these compounds. The invention further relates to a method for preparing such compounds, stereoisomers or mixtures thereof, to the composition obtainable by this method, to the use of such compounds as an aroma chemical or for modifying the scent character of a fragranced composition; and to a method for preparing a fragranced composition or for modifying the scent character of a fragranced composition using said compounds. Moreover, the invention relates to 3,5-diethyl-2-propyl-tetrahydropyran, to its stereoisomers and to mixtures of these stereoisomers.
    Type: Application
    Filed: October 5, 2018
    Publication date: December 30, 2021
    Inventors: Nicolas MARION, Rolf PINKOS, Stefan RUEDENAUER, Florian GARLICHS, Ralf PELZER, Roman DOSTALEK, Joachim PFEFFINGER, Anja VINCKIER, Stephanie RENZ, Christoph STOCK, Regina-Margareta BERG, Miriam BRU ROIG, Margarethe KLOS