Patents by Inventor Frank Jaekel

Frank Jaekel 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: 11485703
    Abstract: The present invention is directed towards a process for manufacturing a complexing agent, said process comprising the steps of (a) Providing a nitrile according to general formula (I a) or (I b) With M being selected from alkali metal and hydrogen and combinations thereof, (b) Saponification with a total alkali amount of 2.5 to 2.9 mol of alkali metal hydroxide per mole of nitrile according to general formula (I a) or (I b), respectively, and a pH value in the range of from 9.5 to 11.5 at the end of step (b), (c) Adding an amount of alkali metal hydroxide so that the total alkali content is 2.9 to 3.15 moles per mole nitrile according to general formula (I a) or (I b), respectively, and (d) Allowing further conversion.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: November 1, 2022
    Assignee: BASF SE
    Inventors: Thomas Schmidt, Armin Stamm, Marta Reinoso Garcia, Verena Mormul, Michael Klemens Mueller, Frank Jaekel, Jeremy T Manning
  • Publication number: 20220154112
    Abstract: Process making a powder or granule containing (A) at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and of glutamic acid diacetate (GLDA) and of iminodisuccinic acid (IDS), (B) at least one alkali metal silicate, and (C) at least one (co)polymer containing carboxylic acid group, partially neutralized with alkali, in a weight ratio of (A):[(B)+(C)] of from 20:1 up to 100:1, wherein said powder or granule contains at least 75% by weight of chelating agent (A), said process comprising the steps of (a) mixing the at least one chelating agent (A) and the at least one alkali metal silicate (B) and the at least one (co)polymer (C) in the presence of water, (b) removing most of said water by spray-drying or spray granulation using a gas with an inlet temperature of at least 125° C.
    Type: Application
    Filed: March 20, 2020
    Publication date: May 19, 2022
    Inventors: Frank JAEKEL, Michael Klemens MUELLER, Astrid SCHMIDT
  • Patent number: 11208375
    Abstract: Process for making solid methylglycine diacetate (MGDA) alkali metal salt (a), said process comprising the steps of (A) providing a 35 to 60% by weight aqueous solution of said MGDA salt having a temperature in the range of from 50 to 90° C., (B) adding 0.01 to 2% by weight of a particulate solid with a pore volume in the range of from 0.25 to 0.75 cm3/g, determined by nitrogen adsorption in accordance with 66134:1998-02 (b), the percentage referring to the content of (a), (C) crystallizing (a), (D) removing said crystalline (a) from the mother liquor.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: December 28, 2021
    Assignee: BASF SE
    Inventors: Somnath Shivaji Kadam, Frank Jaekel, Feelly Ruether, Lothar Karrer
  • Publication number: 20210317392
    Abstract: Process for making a powder or granule containing (A) at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and of glutamic acid diacetate (GLDA) and of iminodisuccinic acid (IDS), (B) at least one alkali metal salt of a C10-C20 fatty acid, in a weight ratio of (A):(B) of from 40:1 up to 1,000:1, wherein said powder or granule contains at least 75% by weight of chelating agent (A), said process comprising the steps of (c) mixing the at least one chelating agent (A) and the at least one alkali metal salt of fatty acid (B) in the presence of water, (d) removing most of said water by spray-drying or by spray granulation using a gas with an inlet temperature of at least 125° C.
    Type: Application
    Filed: September 16, 2019
    Publication date: October 14, 2021
    Inventors: Frank JAEKEL, Astrid SCHMIDT, Michael Klemens MUELLER
  • Publication number: 20210206712
    Abstract: A process for making solid methylglycine diacetate (MGDA) alkali metal salt (a) includes: (A) providing a 40 to 60% by weight aqueous solution of the MGDA salt having a temperature in the range of from 50 to 90° C., (B) adding solid salt (a), (C) heating the resultant slurry until the salt (a) added in step (B) has dissolved at least partially, (D)allowing salt (a) to crystallize, and (E) removing crystalline salt (a) from the mother liquor.
    Type: Application
    Filed: May 21, 2019
    Publication date: July 8, 2021
    Inventors: Frank Jaekel, Michael Klemens Mueller
  • Patent number: 11028350
    Abstract: Process for making a powder or granule containing at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and glutamic acid diacetate (GLDA) and iminodisuccinic acid (IDS), said process comprising the steps of (a) introducing an aqueous solution or aqueous slurry of the respective chelating agent (A) into a spray-dryer or spray-granulator, and removing most of said water by spray-drying or spray granulation using a gas with an inlet temperature of 125 to 250° C.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 8, 2021
    Assignee: BASF SE
    Inventors: Michael Klemens Mueller, Armin Stamm, Frank Jaekel, Carsten Sueling
  • Patent number: 10975334
    Abstract: Process for manufacturing granules of at least one alkali metal salt of aminopolycarboxylic acid (A), comprising the steps of (a) providing an aqueous slurry of alkali metal salt of aminopolycarboxylic acid (A), (b) maintaining said aqueous slurry at a temperature in the range of from 50 to 90° C. over a period of time in the range of from 2 to 180 hours, (c) spray granulating said slurry with a gas inlet temperature of at least 150° C.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: April 13, 2021
    Assignee: BASF SE
    Inventors: Frank Jaekel, Michael Klemens Mueller
  • Publication number: 20210094902
    Abstract: The present invention is directed towards a process for manufacturing a complexing agent, said process comprising the steps of (a) Providing a nitrile according to general formula (I a) or (I b) (formula I a, I b) With M being selected from alkali metal and hydrogen and combinations thereof, (b) Saponification with a total alkali amount of 2.5 to 2.9 mol of alkali metal hydroxide per mole of nitrile according to general formula (I a) or (I b), respectively, and a pH value in the range of from 9.5 to 11.5 at the end of step (b), (c) Adding an amount of alkali metal hydroxide so that the total alkali content is 2.9 to 3.1 moles per mole nitrile according to general formula (I a) or (I b), respectively, and (d) Allowing further conversion.
    Type: Application
    Filed: June 19, 2018
    Publication date: April 1, 2021
    Inventors: Thomas SCHMIDT, Armin STAMM, Marta REINOSO GARCIA, Verena MORMUL, Michael Klemens MUELLER, Frank JAEKEL, Jeremy T. MANNING
  • Patent number: 10273438
    Abstract: Container comprising a single unit dose of a detergent composition containing at least one complexing agent (A) dissolved in an aqueous medium, said complexing agent (A) being a mixture of the L- and D-enantiomers of glutamic acid diacetic acid (GLDA) or its respective mono-, di-, tri- or tetraalkali metal salts or its mono-, di-, tri- or tetraammonium salts, said mixture containing predominantly the respective L-isomer with an enantiomeric excess (ee) in the range of from 5 to 90%, wherein said container is made from a polymer.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: April 30, 2019
    Assignee: BASF SE
    Inventors: Markus Hartmann, Frank Jaekel, Constanze Franzke
  • Publication number: 20190119611
    Abstract: Process for making a powder or granule containing at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and glutamic acid diacetate (GLDA) and iminodisuccinic acid (IDS), said process comprising the steps of (a) introducing an aqueous solution or aqueous slurry of the respective chelating agent (A) into a spray-dryer or spray-granulator, and removing most of said water by spray-drying or spray granulation using a gas with an inlet temperature of 125 to 250° C.
    Type: Application
    Filed: June 1, 2017
    Publication date: April 25, 2019
    Applicant: BASF SE
    Inventors: Michael Klemens MUELLER, Armin STAMM, Frank JAEKEL, Carsten SUELING
  • Patent number: 10189772
    Abstract: Mixtures comprise (A) 90 to 99.9% by weight of a mixture of L- and D-enantiomers of methyl glycine diacetic acid (MGDA) or its respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, said mixture containing predominantly the respective L-enantiomer with an enantiomeric excess (ee) in the range of from 10 to 99%, and (B) in total 0.1 to 10% by weight of the diacetic acid derivative of at least one amino acid selected from valine, leucine, isoleucine, and tyrosine, as free acids or respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, percentages referring to the sum from (A) and (B).
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: January 29, 2019
    Assignee: BASF SE
    Inventors: Constanze Franzke, Frank Jaekel, Carsten Sueling
  • Publication number: 20180355285
    Abstract: Process for manufacturing granules of at least one alkali metal salt of aminopolycarboxylic acid (A), comprising the steps of (a) providing an aqueous slurry of alkali metal salt of aminopolycarboxylic acid (A), (b) maintaining said aqueous slurry at a temperature in the range of from 50 to 90° C. over a period of time in the range of from 2 to 180 hours, (c) spray granulating said slurry with a gas inlet temperature of at least 150° C.
    Type: Application
    Filed: December 1, 2016
    Publication date: December 13, 2018
    Applicant: BASF SE
    Inventors: Frank JAEKEL, Michael Klemens MUELLER
  • Publication number: 20180065919
    Abstract: The present invention is directed towards mixtures comprising (A) 90 to 99.9% by weight of a mixture of L- and D-enantiomers of methyl glycine diacetic acid (MGDA) or its respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, said mixture containing predominantly the respective L-enantiomer with an enantiomeric excess (ee) in the range of from 10 to 99%, and (B) in total 0.1 to 10% by weight of the diacetic acid derivative of at least one amino acid selected from valine, leucine, isoleucine, and tyrosine, as free acids or respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, percentages referring to the sum from (A) and (B).
    Type: Application
    Filed: March 1, 2016
    Publication date: March 8, 2018
    Applicant: BASF SE
    Inventors: Constanze FRANZKE, Frank JAEKEL, Carsten SUELING
  • Publication number: 20170226450
    Abstract: Container comprising a single unit dose of a detergent composition containing at least one complexing agent (A) dissolved in an aqueous medium, said complexing agent (A) being a mixture of the L- and D-enantiomers of glutamic acid diacetic acid (GLDA) or its respective mono-, di-, tri- or tetraalkali metal salts or its mono-, di-, tri- or tetraammonium salts, said mixture containing predominantly the respective L-isomer with an enantiomeric excess (ee) in the range of from 5 to 90%, wherein said container is made from a polymer.
    Type: Application
    Filed: October 7, 2015
    Publication date: August 10, 2017
    Applicant: BASF SE
    Inventors: Markus HARTMANN, Frank JAEKEL, Constanze FRANZKE
  • Patent number: 6066365
    Abstract: The present invention relates to a process for the preparation of low-dust granules, which comprises applying an aqueous solution or suspension of a hydrate-forming compound to a particulate starting material, the particulate starting material being at a temperature below the transition temperature of the hydrate-forming compound during the application of the aqueous solution or suspension and the aqueous solution being at a temperature above the transition temperature, effecting granulation subsequently or simultaneously and, if desired, drying the granules obtained.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: May 23, 2000
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Frank Jaekel, Gerd Reinhardt, Gerhard Noltner
  • Patent number: 5610318
    Abstract: This invention is directed to a process for preparing a compound containing a persalt activators and salts thereof which are derived from imidocarboxylic acids and sulfimidocarboxylic acids of the formula I: ##STR1## in which A is a group of the formula ##STR2## n is the number 0, 1 or 2, R.sup.1 is hydrogen, chlorine, bromine, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, aryl, or alkylaryl,R.sup.2 is hydrogen, chlorine, bromine, --SO.sub.3 M, --CO.sub.2 M or --OSO.sub.3 M, X is C.sub.1 -C.sub.19 -alkylene or arylene,B is a group of the formula C.dbd.O or SO.sub.2,L is a leaving group.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: March 11, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Frank Jaekel, Gerd Reinhardt, Wolf-Dieter M uller
  • Patent number: 5518650
    Abstract: This invention is directed to a process for bleaching textile objects and bleaching agent containing a persalt activators and salts thereof which are derived from imidocarboxylic acids and sulfimidocarboxylic acids of the formula I: ##STR1## in which A is a group of the formula ##STR2## n is the number 0, 1 or 2, R.sup.1 is hydrogen, chlorine, bromine, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, aryl, or alkylaryl,R.sup.2 is hydrogen, chlorine, bromine, --SO.sub.3 M, --CO.sub.2 M or --OSO.sub.3 M,X is C.sub.1 -C.sub.9 -alkylene or arylene,B is a group of the formula C.dbd.O or SO.sub.2,L is a leaving group.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: May 21, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Frank Jaekel, Gerd Reinhardt, Wolf-Dieter Muller
  • Patent number: 5470988
    Abstract: Process for the preparation of purified phthalimidoalkanecarboxylic acidsThe present invention relates to a process for the preparation of purified phthalimidoalkanecarboxylic acids which are contaminated with phthalic acid, lactam and/or water, including the following measures:a) fusing the contaminated phthalimidoalkanecarboxylic acid,b) holding the melt for a period and at a temperature sufficient for the impurities to have substantially departed from the melt andc) cooling the purified product melt.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: November 28, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Frank Jaekel
  • Patent number: 5438147
    Abstract: A persalt activator or salt thereof which is derived from an imidocarboyxlic acid or sulimidocarboxylic acid of the formula I: ##STR1## in which A is a group of the formula ##STR2## n is the number 0, 1 or 2, R.sup.1 is hydrogen, chlorine, bromine, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, aryl, or alkylaryl,R.sup.2 is hydrogen, chlorine, bromine or a group of the formula --SO.sub.3 M, --CO.sub.2 M or --OSO.sub.3 M,X is C.sub.1 -C.sub.19 -alkylene or arylene,B is a group of the formula C.dbd.O or SO.sub.2, andL is a leaving group.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: August 1, 1995
    Assignee: Hoechst AG
    Inventors: Frank Jaekel, Gerd Reinhardt, Wolf-Dieter Meller
  • Patent number: 5419846
    Abstract: The present invention relates to stable granules comprising active substance, granulating auxiliary, enveloping substance and if appropriate additional components, wherein the enveloping substance in each case comprisesa) silicon dioxide particles orb) homopolymers of unsaturated sulfonic acids orc) copolymers of unsaturated sulfonic acids and unsaturated carboxylic acids ord) homopolymers of (meth)acrylic acid esters ore) copolymers of (meth)acrylic acid esters and unsaturated carboxylic acids orf) mixtures of one or more of these constituents.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: May 30, 1995
    Assignee: Hoechst AG
    Inventors: Frank Jaekel, Gerd Reinhardt, Gerhard Noltner, Eric Jacquinot, Rudiger Funk, Manfred Muller