Patents by Inventor Hans-Juergen Juhl

Hans-Juergen Juhl 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).

  • Process for manufacturing lithium carboxymethyl cellulose
    Patent number: 9580517
    Abstract: Prepare lithium carboxymethyl cellulose by treating sodium carboxymethyl cellulose with a weak acid to form an acid from of carboxymethyl cellulose and then treating the acid form of the carboxymethyl cellulose with lithium chloride.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: February 28, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Alexandra Hild, Hans-Juergen Juhl, Roland Adden
  • PROCESS FOR MANUFACTURING LITHIUM CARBOXYMETHYL CELLULOSE
    Publication number: 20160102153
    Abstract: Prepare lithium carboxymethyl cellulose by treating sodium carboxymethyl cellulose with a weak acid to form an acid from of carboxymethyl cellulose and then treating the acid form of the carboxymethyl cellulose with lithium chloride.
    Type: Application
    Filed: May 28, 2014
    Publication date: April 14, 2016
    Applicant: Dow Global Technologies LLC
    Inventors: Alexandra Hild, Hans-Juergen Juhl, Roland Adden
  • Water-disintegratable non-woven fibrous sheet
    Patent number: 9303358
    Abstract: A water-disintegratable non-woven sheet comprising fibers bound by a water-soluble cellulose ether can be produced laying fibers to a base sheet, b) contacting the base sheet with a water-based composition comprising a water-soluble cellulose ether having a viscosity of up 500 mPa·s, measured as a 2 weight percent solution in water at 20° C. using a Haake Viscotester VT550 with a cylinder system, cup MV, at 2.55 s?1, and c) drying the sheet which comprises fibers being bound by the water-soluble cellulose ether.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: April 5, 2016
    Inventors: Hans-Juergen Juhl, Imad Qashou, Anette Wagner
  • WATER-DISINTEGRATABLE NON-WOVEN FIBROUS SHEET
    Publication number: 20140326423
    Abstract: A water-disintegratable non-woven sheet comprising fibers bound by a water-soluble cellulose ether can be produced laying fibers to a base sheet, b) contacting the base sheet with a water-based composition comprising a water-soluble cellulose ether having a viscosity of up 500 mPa·s, measured as a 2 weight percent solution in water at 20° C. using a Haake Viscotester VT550 with a cylinder system, cup MV, at 2.55 s?1, and c) drying the sheet which comprises fibers being bound by the water-soluble cellulose ether.
    Type: Application
    Filed: November 20, 2012
    Publication date: November 6, 2014
    Applicant: The Dow Chemical Company
    Inventors: Hans-Juergen Juhl, Imad Qashou, Anette Wagner