Patents by Inventor Martin Lohrie

Martin Lohrie 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).

  • Continuous process for the production and/or workup of polysaccharide derivatives
    Patent number: 7868166
    Abstract: A process is described for the continuous preparation and/or workup of polysaccharide derivatives by reaction and/or conditioning in a suspension with liquid reaction partners, in which, in accordance with FIG. 1, a) a preferably pumpable suspension stream of solids SE and liquid phase LE, if appropriate preheated to 185° C.
    Type: Grant
    Filed: May 2, 2003
    Date of Patent: January 11, 2011
    Inventors: Volker Eckhardt, Martin Lohrie, Bernd Schriewer, Holger Tanneberger
  • Method for producing compacted free-flowing raw materials for varnish
    Patent number: 6896752
    Abstract: A process for producing compacted free-flowing nitrocellulose based lacquer raw materials is described. The process involves pressing a nitrocellulose based lacquer feed material, which is moistened with alcohol or water, through the holes of a die. The pressing step may be performed by means of at least one circulating breaker. The process optionally comprises shearing off the compacted lacquer raw material into pieces of selected length, below the die. The compacted nitrocellulose based lacquer raw materials prepared by the process of the present invention are free flowing and have a moisture content of at least 25%.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: May 24, 2005
    Assignee: Wolf Walsrode AG
    Inventors: Lutz Hoppe, Martin Lohrie, Lutz Riechardt, Holger Tanneberger
  • Continuous process for the production and/or workup of polysaccharide derivatives
    Publication number: 20030220492
    Abstract: A process is described for the continuous preparation and/or workup of polysaccharide derivatives by reaction and/or conditioning in a suspension with liquid reaction partners, in which, in accordance with FIG.
    Type: Application
    Filed: May 2, 2003
    Publication date: November 27, 2003
    Inventors: Volker Eckhardt, Martin Lohrie, Bernd Schriewer, Holger Tanneberger
  • Method for preparing a mixture of .alpha.- and .beta.-chloroethyl-glucopyranose
    Patent number: 5585471
    Abstract: A method for preparing a chloroethylglucopyranose which comprisesa) reacting glucose with from 2 to 10 times the molar amount of chloroethanol at from 100.degree. to 130.degree. C. in the absence of a catalyst, optionally removing water,b) further reacting the product of step (a) at 60.degree. to 90.degree. C. in the presence of an acidic catalyst for from 10 to 600 minutes andc) Separating therefrom the chloroethylglucopyranose.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: December 17, 1996
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Klaus Szablikowski, Martin Lohrie, Wolfgang Koch, Reinhard Langer, Hans-Josef Buysch