Patents by Inventor Elin Sohlberg

Elin Sohlberg 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).

  • Use of a nozzle for manufacturing sodium percarbonate
    Patent number: 8092772
    Abstract: The present invention relates to a use of a two-way spray nozzle (1) with protective gas for manufacturing granular sodium percarbonate, said nozzle comprising a central tube (2) having an outlet for an aqueous hydrogen peroxide solution, an inner jacket tube (3) arranged coaxially around the central tube, and having an outlet for aqueous sodium carbonate solution, an outer jacket tube (4) arranged coaxially around the central tube and inner jacket tube, and having an outlet for a protective gas, a threaded ring slot (5) arranged around the central tube at a distance from the outlet of the central tube, wherein the threads of the ring slot are arranged at an angle ? with respect of the direction of the longitudinal axis (12) of the central tube, and in which said protective gas is used at a pressure of less than 0.7 bar. The present invention also relates to a method for manufacturing granular sodium percarbonate.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: January 10, 2012
    Assignee: Kemira Kemi AB
    Inventors: Uwe Weiss, Michael Jacob, Elin Sohlberg, Ajse Sandqvist, Fredrik Lauritzson
  • USE OF A NOZZLE FOR MANUFACTURING SODIUM PERCARBONATE
    Publication number: 20110038782
    Abstract: The present invention relates to a use of a two-way spray nozzle (1) with protective gas for manufacturing granular sodium percarbonate, said nozzle comprising a central tube (2) having an outlet for an aqueous hydrogen peroxide solution, an inner jacket tube (3) arranged coaxially around the central tube, and having an outlet for aqueous sodium carbonate solution, an outer jacket tube (4) arranged coaxially around the central tube and inner jacket tube, and having an outlet for a protective gas, a threaded ring slot (5) arranged around the central tube at a distance from the outlet of the central tube, wherein the threads of the ring slot are arranged at an angle ? with respect of the direction of the longitudinal axis (12) of the central tube, and in which said protective gas is used at a pressure of less than 0.7 bar. The present invention also relates to a method for manufacturing granular sodium percarbonate.
    Type: Application
    Filed: October 9, 2008
    Publication date: February 17, 2011
    Inventors: Uwe Weiss, Michael Jacob, Elin Sohlberg, Ajse Sandqvist, Fredrik Lauritzson