Patents by Inventor Manfred Heckmann

Manfred Heckmann 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).

  • Cooling and purification of gas streams
    Patent number: 7959713
    Abstract: Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at a temperature less than/equal to the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: June 14, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Jan-Martin Löning, Manfred Heckmann, Karl Hölemann, Thomas Heitz
  • Production of a titania-pigmented polyamide
    Patent number: 7820757
    Abstract: Disclosed is a method for producing a polyamide containing titanium dioxide pigments.
    Type: Grant
    Filed: October 18, 2003
    Date of Patent: October 26, 2010
    Assignee: BASF SE
    Inventors: Christoph Plachetta, Manfred Heckmann, Hans-Harald Hünger, Robert Weiβ
  • Cooling and Purification of Gas Streams
    Publication number: 20080236391
    Abstract: Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at a temperature less than/equal to the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
    Type: Application
    Filed: March 17, 2005
    Publication date: October 2, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Jan-Martin Loning, Manfred Heckmann, Karl Holemann, Thomas Heitz
  • Cooling and purification of gas streams
    Publication number: 20060276619
    Abstract: Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
    Type: Application
    Filed: April 7, 2004
    Publication date: December 7, 2006
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Manfred Heckmann, Karl Holemann, Jan-Martin Loning, Thomas Heitz
  • Method for the production of a polyamide pigmented with titanium dioxide
    Publication number: 20060047057
    Abstract: Disclosed is a method for producing a polyamide containing titanium dioxide pigments.
    Type: Application
    Filed: October 18, 2003
    Publication date: March 2, 2006
    Inventors: Christoph Plachetta, Manfred Heckmann, Hans-Harald Hunger, Robert Weib