Patents by Inventor Herbert Mosner

Herbert Mosner 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).

  • Method for producing dyed moulding materials
    Patent number: 6329448
    Abstract: A continuous process for preparing pigmented thermoplastic molding compositions in an extruder, comprises I) in a first zone A) metering in from 10 to 99.999% by weight of a thermoplastic polymer into an extruder and II) in a subsequent zone at temperatures below the respective glass transition temperature of the thermoplastic A) B) adding from 0.001 to 60% by weight of a colorant and then heating the thermoplastic/colorant mixture in the subsequent zones, homogenizing the polymer melt and extruding the resultant mixture.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: December 11, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Gutsche, Rainer Anderlik, Norbert Kress, Dieter Gress, Bernd Brian, Petra Baierweck, Herbert Mosner, Hermann Brandt, Helmut Heel