Patents Represented by Attorney Robert & Robert, LLP

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  • Method for the production of easily wetted, water-soluble, powdered at least alkylated non-ionic cellulose ethers
    Patent number: 7361753
    Abstract: The invention relates to a method for the production of at least alkylated, non-ionic cellulose ethers, whereby at least 10% of all hydroxy groups contained therein are alkylated and which may flocculate in water, within a temperature range of 45 to 95° C. The invention is characterized in that at least one surfactant in solid, liquid, or solution form is added to the cellulose for production of the cellulose ether.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: April 22, 2008
    Assignee: SE Tylose GmbH & Co. KG
    Inventors: Alf Hammes, Reinhard Doenges