Patents by Inventor Sumana ROY

Sumana ROY 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).

  • Preparation of acetate compounds via a ketene compound
    Patent number: 11091424
    Abstract: The present invention relates to a method for preparing acetate compounds using ketene.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: August 17, 2021
    Assignee: BASF SE
    Inventors: Volker Hickmann, Sumana Roy, Dominik Herbrecht, Michael Acker, Wolfgang Krause, Ralf Boehling, Timon Stork, Stefan Ruedenauer, Ralf Pelzer
  • Method for the purification of ethoxyquin
    Patent number: 10889547
    Abstract: The present invention relates to a process for purifying ethoxyquin by distillation, to high-purity ethoxyquin obtainable by means of distillative purification and to the use thereof, particularly as additive in foodstuffs and feedstuffs.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: January 12, 2021
    Assignee: BASF SE
    Inventors: Sumana Roy, Andreas Keller, Wolfgang Siegel, Michael Joedecke, Martin Haubner
  • PREPARATION OF ACETATE COMPOUNDS VIA A KETENE COMPOUND
    Publication number: 20200308094
    Abstract: The present invention relates to a method for preparing acetate compounds using ketene.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 1, 2020
    Inventors: Volker HICKMANN, Sumana ROY, Dominik HERBRECHT, Michael ACKER, Wolfgang KRAUSE, Ralf BOEHLING, Timon STORK, Stefan RUEDENAUER, Ralf PELZER
  • Tin-containing zeolitic material having a BEA framework structure
    Patent number: 10737944
    Abstract: An incipient wetness impregnation method for preparing a tin-containing zeolitic material having framework type BEA, a novel tin-containing zeolitic material having framework type BEA and its use.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: August 11, 2020
    Assignee: BASF SE
    Inventors: Nicolas Vautravers, Joaquim Henrique Teles, Ralf Pelzer, Daniel Schneider, Florian Garlichs, Andreas Keller, Andrei-Nicolae Parvulescu, Ulrich Müller, Sumana Roy
  • METHOD FOR THE PURIFICATION OF ETHOXYQUIN
    Publication number: 20190233378
    Abstract: The present invention relates to a process for purifying ethoxyquin by distillation, to high-purity ethoxyquin obtainable by means of distillative purification and to the use thereof, particularly as additive in foodstuffs and feedstuffs.
    Type: Application
    Filed: June 22, 2017
    Publication date: August 1, 2019
    Inventors: Sumana ROY, Andreas KELLER, Wolfgang SIEGEL, Michael JOEDECKE, Martin HAUBNER
  • A TIN-CONTAINING ZEOLITIC MATERIAL HAVING A BEA FRAMEWORK STRUCTURE
    Publication number: 20180362353
    Abstract: An incipient wetness impregnation method for preparing a tin-containing zeolitic material having framework type BEA, a novel tin-containing zeolitic material having framework type BEA and its use.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 20, 2018
    Inventors: NIcolas VAUTRAVERS, Joaquim Henrique TELES, Ralf PELZER, Daniel SCHNEIDER, Florian GARLICHS, Andreas KELLER, Andrei-Nicolae PARVULESCU, Ulrich MÜLLER, Sumana ROY