Patents by Inventor Josef Otto Rettenmaier

Josef Otto Rettenmaier 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).

  • Pressed piece which disintegrates in liquids
    Patent number: 7008912
    Abstract: The invention relates to a pressed piece consisting of ingredients in powder and/or granular form, which contains particles made of a material containing cellulose, particularly in compacted form, which act as an explosive agent. TMP and CTMP can be used as the cellulose-containing material.
    Type: Grant
    Filed: February 28, 1998
    Date of Patent: March 7, 2006
    Assignee: Henkel KGaA
    Inventors: Josef Otto Rettenmaier, Hans-Friedrich Kruse, Martin Holl, Harald Schlosser, Armin Ungerer
  • Ancillary filtering agent
    Patent number: 6871746
    Abstract: The filter aid comprises finely divided plant fibers, which for a period of action have been subjected to a liquid treatment, which removes the sensorially active substances from the plant fibers.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: March 29, 2005
    Assignee: Herzog, Stefan
    Inventor: Josef Otto Rettenmaier
  • Filter aid
    Patent number: 6615991
    Abstract: A filter aid, in particular for filtering beverages by means of precoated filters, comprises a mixture of exclusively natural components, e.g. cellulose components. The filter aid is made only of sustainable raw materials and can be degraded almost totally in a natural way.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: September 9, 2003
    Assignee: Stefan Herzog
    Inventor: Josef Otto Rettenmaier
  • ANCILLARY FILTERING AGENT
    Publication number: 20020070161
    Abstract: The filter aid comprises finely divided plant fibers, which for a period of action have been subjected to a liquid treatment, which removes the sensorially active substances from the plant fibers.
    Type: Application
    Filed: September 13, 1999
    Publication date: June 13, 2002
    Inventor: JOSEF OTTO RETTENMAIER
  • Method and apparatus for producing fine powder from a legume or grain
    Patent number: 6244528
    Abstract: A method and apparatus for producing a fine powder from a grain or legume, such as soy beans, wherein the soy beans or the like are ground under controlled temperature and humidity conditions in a mill to a particle size of between about 5 to 25 microns, preferably about 15 microns.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: June 12, 2001
    Inventors: Loren Paul Wallis, Josef Otto Rettenmaier