Patents by Inventor Joerg Heilek

Joerg Heilek 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).

  • Patent number: 11502296
    Abstract: A process for making a mixed metal oxide, may involve: (a) providing a hydroxide or oxyhydroxide of TM with an average particle diameter (D50) in the range of from 0.1 ?m to 5 mm; (b) subjecting the hydroxide or oxyhydroxide of TM to a stream of gas with a temperature in the range of from 150 to 2000° C., wherein TM contains nickel and at least one further transition metal selected from cobalt and manganese.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: November 15, 2022
    Assignee: BASF SE
    Inventors: Benedikt Kalo, Joerg Heilek
  • Publication number: 20210057743
    Abstract: A process for making a mixed metal oxide, may involve: (a) providing a hydroxide or oxyhydroxide of TM with an average particle diameter (D50) in the range of from 0.1 ?m to 5 mm; (b) subjecting the hydroxide or oxyhydroxide of TM to a stream of gas with a temperature in the range of from 150 to 2000° C., wherein TM contains nickel and at least one further transition metal selected from cobalt and manganese.
    Type: Application
    Filed: March 20, 2019
    Publication date: February 25, 2021
    Applicant: BASF SE
    Inventors: Benedikt KALO, Joerg HEILEK
  • Patent number: 10173147
    Abstract: The present invention relates to an apparatus (1) for separation of a target product from a liquid phase P comprising the target product, comprising at least one primary space (3) for a heat transfer medium W, at least one first feed unit (5a) and one first removal unit (5b) for the heat transfer medium W, at least one secondary space (7) for the liquid phase P, at least one second feed unit (9) for the liquid phase P, at least one crystallization surface (13) which divides the primary space (3) and the secondary space (7), at least one second removal unit (15) for the target product and at least one application unit (11) for a liquid phase P0 essentially directly to the crystallization surface (13) or the surfaces of lines that conduct the heat transfer medium W. The present invention further relates to a process for removing a target product from a liquid phase P comprising the target product.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: January 8, 2019
    Assignee: BASF SE
    Inventors: Joerg Heilek, Rainer Askani, Ulrich Hammon, Wolfgang Schneider, Thomas Walter
  • Publication number: 20150360142
    Abstract: The present invention relates to an apparatus (1) for separation of a target product from a liquid phase P comprising the target product, comprising at least one primary space (3) for a heat transfer medium W, at least one first feed unit (5a) and one first removal unit (5b) for the heat transfer medium W, at least one secondary space (7) for the liquid phase P, at least one second feed unit (9) for the liquid phase P, at least one crystallization surface (13) which divides the primary space (3) and the secondary space (7), at least one second removal unit (15) for the target product and at least one application unit (11) for a liquid phase P0 essentially directly to the crystallization surface (13) or the surfaces of lines that conduct the heat transfer medium W. The present invention further relates to a process for removing a target product from a liquid phase P comprising the target product.
    Type: Application
    Filed: June 12, 2015
    Publication date: December 17, 2015
    Applicant: BASF SE
    Inventors: Joerg HEILEK, Rainer ASKANI, Ulrich HAMMON, Wolfgang SCHNEIDER, Thomas WALTER
  • Patent number: 8829134
    Abstract: A process for transporting a liquid monomer phase which has been withdrawn from a storage vessel and comprises methacrylic monomers to an extent of ?90% by weight, in a tank truck or in a tanker ship, in which the liquid monomer phase is subjected to a separating operation on the route from the storage vessel into the tank of a tank truck or of a tanker ship in order to separate polymer of the monomer present in dissolved form in the liquid monomer phase.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: September 9, 2014
    Assignee: BASF SE
    Inventors: Joerg Heilek, Ulrich Hammon, Volker Schliephake, Klaus Joachim Mueller-Engel, Till Blum
  • Patent number: 8461383
    Abstract: A process for starting up a separating process for purifying removal of acrylic acid crystals from a suspension S of crystals thereof in mother liquor with a hydraulic wash column which has a crystal melt circuit including crystal melt space, and a process space and a distributor space which are separated by an end with passages connecting the two spaces, in which the crystal bed is formed for the first time by first filling the crystal melt circuit and, at least partly, the process space with an acrylic acid-comprising startup liquid whose acrylic acid crystal formation temperature is less than or equal to the temperature of the suspension S increased by 15° C.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: June 11, 2013
    Assignee: BASF SE
    Inventors: Joerg Heilek, Dirk Litters, Klaus Joachim Mueller-Engel
  • Publication number: 20120319035
    Abstract: A process for producing oxidic compounds of the general formula (I) LizMxOy (I) wherein M is one or more elements from groups 2 to 12 of the periodic table, more particularly selected from Co, Mn, Ni, Fe, Al, Mg, x is 1 to 2, y is 2 to 4, and z is 0.5 to 1.5, comprises heating mixtures selected from oxides, hydroxides, carbonates and nitrates of Li and of M together to temperatures in the range from 600 to 1200° C. in a reaction vessel performing incomplete rotary motions about one axis.
    Type: Application
    Filed: January 28, 2011
    Publication date: December 20, 2012
    Applicant: BASF SE
    Inventors: Jordan Keith Lampert, Kirill Bramnik, Joerg Heilek
  • Patent number: 8299299
    Abstract: A process for separating acrylic acid present as a main product and glyoxal present as a by-product in a product gas mixture of a partial gas phase oxidation of a C3 precursor compound, in which a liquid phase P is obtained, which consists of acrylic acid to an extent of at least 70% of its weight and, based on the molar amount of acrylic acid present therein, comprises at least 200 molar ppm of glyoxal, in which the glyoxal is separated from the acrylic acid in the liquid phase P by crystallization.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Till Blum, Peter Zurowski, Steffen Rissel, Sylke Haremza, Thorsten Friese, Ulrich Jaeger, Volker Schliephake, Klaus Joachim Mueller-Engel, Ulrich Hammon, Joerg Heilek, Imke Britta Mueller
  • Patent number: 8232425
    Abstract: A process for heterogeneously catalyzed partial gas phase oxidation of propylene to acrylic acid, in which the starting reaction gas mixture comprises cyclopropane as an impurity and the acrylic acid, after conversion from the product gas mixture into the condensed phase, is removed with the aid of a crystallative removal.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: July 31, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Dieterle, Joerg Heilek, Klaus Joachim Mueller-Engel
  • Patent number: 8217198
    Abstract: A process for purifying removal of a chemical target compound from a suspension of crystals thereof in mother liquor in a wash column with forced transport of the crystal bed from the top downward, in which crystals are removed from the lower end of the crystal bed with a rotating removal device and melted, and a portion of the crystal melt is conducted back toward the crystal bed as wash melt, the removal device being secured with a drive shaft conducted into the wash column from the bottom through an inlet having a seal, said drive shaft being driven about its longitudinal axis by a drive unit for rotation and being mounted so as to be rotatable about its longitudinal axis in more than one bearing, such that the mounting in one of the bearings absorbs the downward force acting on the drive shaft, the mounting in two or more bearings absorbs forces acting radially outward from the drive shaft, and the mounting in one bearing is additionally capable of absorbing an upward force acting on the drive shaft.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: July 10, 2012
    Assignee: BASF SE
    Inventors: Joerg Heilek, Wolfgang Schneider, Wolfgang Gunkel, Volker Schliephake, Klaus Joachim Mueller-Engel
  • Patent number: 8106240
    Abstract: A process for operating a continuous removal of a target product X in the form of fine crystals of a liquid phase P comprising the target product X and constituents other than the target product X by cooling suspension crystallization in the secondary chamber of an indirect heat exchanger to which liquid phase P flows continuously with simultaneous continuous flow through the primary chamber of the indirect heat exchanger with a coolant, and continuous withdrawal of a crystal suspension S having a degree of crystallization Y from the secondary chamber in two operating states I and II, wherein the coolant temperature is lower, the mass flow of liquid phase P is greater and the molar proportion of the constituents other than the target product X in the liquid phase P in operating state II is greater than in operating state I.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: January 31, 2012
    Assignee: BASF SE
    Inventors: Joerg Heilek, Ulrich Hammon, Klaus Joachim Mueller-Engel
  • Patent number: 7947845
    Abstract: A process for purifying removal of acrylic acid, methacrylic acid, N-vinylpyrrolidone or p-xylene crystals from their suspension in mother liquor by means of a wash column with forced transport, whose shell of the process chamber is a metal wall, the wash column additionally being enveloped by a thermal insulation material having a water vapor barrier and a specific heat flow of >0.1 W/m2 and <10 W/m2 flowing into the process chamber through the metal wall of the wash column.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: May 24, 2011
    Assignee: BASF SE
    Inventors: Joerg Heilek, Ulrich Hammon, Klaus Joachim Mueller-Engel, Dieter Baumann
  • Patent number: 7893178
    Abstract: A process for storing a monomer phase which is liquid under the conditions of storage and comprises methacrylic monomers to an extent of ?95% by weight and has been obtained by condensation out of a gaseous phase or by melting a crystalline phase, in a storage vessel, in which polymer of the monomer present in dissolved form in the liquid monomer phase is removed therefrom on the route from its generation into the storage vessel, and also a process for withdrawing liquid monomer phase from the storage vessel in which polymer of the monomer present in dissolved form in the monomer phase is likewise removed.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: February 22, 2011
    Assignee: BASF SE
    Inventors: Joerg Heilek, Ulrich Hammon, Volker Schliephake, Klaus Joachim Muller-Engel, Till Blum
  • Patent number: 7795470
    Abstract: A method for the heterogeneously catalyzed partial direct oxidation of propane to acrylic acid in the gas phase, in which the reaction gas inlet mixture comprises cyclopropane as an impurity and the acrylic acid, after it has been converted from the product gas mixture into the liquid phase, is operated from the other constituents of the liquid phase with the aid of a separation by crystallization.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: September 14, 2010
    Assignee: BASF SE
    Inventors: Martin Dieterle, Joerg Heilek, Klaus Joachim Mueller-Engel
  • Patent number: 7776109
    Abstract: The present invention relates to a process for the preparation of solid acylphosphine oxides by converting an acylphosphine oxide which is in the form of a melt or in dispersed form into the solid state of aggregation with mechanical stress, shearing/internal agitation of the melt.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: August 17, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Bertlein, Karl Heinz Schall, Matthias Maase, Joerg Heilek, Dieter Baumann, Hermann Ascherl
  • Patent number: 7762404
    Abstract: An apparatus for separating crystals from their suspension in contaminated crystal melt with purification, in which a hydraulic wash column has distributor aids in a distributor space.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: July 27, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Joerg Heilek, Dieter Baumann, Bernd Eck, Ulrich Hammon, Klaus Joachim Mueller-Engel
  • Patent number: 7732624
    Abstract: A process for continuously removing a target product X in the form of fine crystals from a liquid phase P comprising the target product X and constituents other than the target product X by cooling suspension crystallization in an indirect heat transferer, in which the crystal suspension formed is conducted out of the heat transferer first into a mixed buffer tank and, from there, fed to an apparatus for separating the crystal suspension into crystals and liquid phase, and wherein external measures dissipade the oversaturation of the crystal suspension fed to the buffer vessel with target product X.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: June 8, 2010
    Assignee: BASF SE
    Inventors: Joerg Heilek, Ulrich Hammon, Klaus Joachim Mueller-Engel, Volker Schliephake, Dieter Baumann
  • Patent number: 7637965
    Abstract: A process for operating a hydraulic wash column, in which the position of the buildup front in the wash column is positioned by means of the flow rates of control liquor conducted into the wash column and/or by means of the flow rate of the suspension conducted into the wash column, and the flow rate determination is with the aid of the pressure difference which exists in the column between points in the suspension zone disposed upstream of the buildup front and points in the zone projecting from the buildup front up to the end of the crystal bed.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: December 29, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Joerg Heilek, Klaus Joachim Mueller-Engel, Ulrich Hammon, Thomas Walter
  • Patent number: 7601866
    Abstract: A process for removing methacrolein from liquid phase P comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component in which the removal is effected by crystallization, the acrylic acid accumulating in the crystals formed and the methacrolein in the remaining mother liquor.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: October 13, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Joerg Heilek, Klaus Joachim Mueller-Engel, Christoph Adami, Martin Dieterle
  • Patent number: 7589236
    Abstract: A process for separating acrylic acid and benzoic acid present in the product gas mixture of a partial oxidation to acrylic acid, in which the acrylic acid and the benzoic acid are first converted to a liquid phase, constituents having a lower boiling point than benzoic acid and acrylic acid are removed therefrom by thermal separating processes, and the acrylic acid is removed by crystallization from the remaining liquid phase.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: September 15, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Joerg Heilek, Klaus Joachim Mueller-Engel, Martin Dieterle, Armin Diefenbacher