Patents by Inventor Lothar Engelbrecht

Lothar Engelbrecht 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: 12146125
    Abstract: The invention relates to the use of a composition comprising a C1 to C6 alkanol and a carboxylic acid ester of formula (I) wherein R1 is selected from a C1 to C6 alkyl, which may be unsubstituted or substituted by OH or F, and —X21—[O—X22]n—H; R2 is selected from a C1 to C6 alkyl, which may be unsubstituted or substituted by OH or F, and —X21—[O—X22]n—H; X21, X22 are independently selected from C1 to C6 alkandiyl, which may be unsubstituted or substituted by OH or F; n is an integer from 1 to 5. wherein, the C1 to C6 alkanol and the carboxylic acid ester are selected so as to form an azeotropic mixture and are present in an amount from 20% by weight below to 20% by weight above such azeotropic mixture.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: November 19, 2024
    Assignee: BASF SE
    Inventors: Marcel Brill, Daniel Loeffler, Yeni Burk, Frank Pirrung, Lothar Engelbrecht, Szilard Csihony, Maike Bergeler, Volodymyr Boyko, Patrick Wilke
  • Publication number: 20220187712
    Abstract: Described herein is a non-aqueous composition including (a) an organic solvent, and (b) at least one additive of formulae I, where R1, R2, R3, and R4 are independently selected from C1 to C10 alkyl, C1 to C11 alkylcarbonyl, C6 to C12 aryl, C7 to C14 alkylaryl, and C7 to C14 arylalkyl; and n is 0 or 1.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 16, 2022
    Inventors: Szilard Csihony, Daniel Loeffler, Marcel Brill, Frank Pirrung, Lothar Engelbrecht, Maike Bergeler, Paatrick Wilke, Yeni Burk, Volodymyr Boyko
  • Patent number: 11180719
    Abstract: The invention relates to the use of a non-aqueous composition comprising an organic solvent and at least one particular siloxane-type additive for treating substrates comprising patterns having line-space dimensions of 50 nm or below and aspect ratios of 4 or more as well as a method for manufacturing integrated circuit devices, optical devices, micromachines and mechanical precision devices, the said method comprising the steps of (1) providing a substrate having patterned material layers having line-space dimensions of 50 nm, aspect ratios of greater or equal 4, or a combination thereof, (2) contacting the substrate at least once with a non-aqueous composition, and (3) removing the non-aqueous composition from the contact with the substrate, wherein the non-aqueous composition comprising an organic solvent and at least one of such siloxane-type additives.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: November 23, 2021
    Assignee: BASF SE
    Inventors: Daniel Loeffler, Mei Chin Shen, Sheng Hsuan Wei, Frank Pirrung, Lothar Engelbrecht, Yeni Burk, Andreas Klipp, Marcel Brill, Szilard Csihony
  • Publication number: 20210198602
    Abstract: The invention relates to the use of a composition comprising a C1 to C6 alkanol and a carboxylic acid ester of formula (I) wherein R1 is selected from a C1 to C6 alkyl, which may be unsubstituted or substituted by OH or F, and —X21—[O—X22]n—H; R2 is selected from a C1 to C6 alkyl, which may be unsubstituted or substituted by OH or F, and —X21—[O—X22]n—H; X21, X22 are independently selected from C1 to C6 alkandiyl, which may be unsubstituted or substituted by OH or F; n is an integer from 1 to 5. wherein, the C1 to C6 alkanol and the carboxylic acid ester are selected so as to form an azeotropic mixture and are present in an amount from 20% by weight below to 20% by weight above such azeotropic mixture.
    Type: Application
    Filed: May 13, 2019
    Publication date: July 1, 2021
    Applicant: BASF SE
    Inventors: Marcel BRILL, Daniel LOEFFLER, Yeni BURK, Frank PIRRUNG, Lothar ENGELBRECHT, Szilard CSIHONY, Maike BERGELER, Volodymyr BOYKO, Patrick WILKE
  • Patent number: 10851210
    Abstract: The invention relates to a process for preparing oligo- or polyalkylene ether-modified polysiloxanes by transesterification of alkoxy-functionalized polysiloxanes with OH— terminated oligo- or polyalkylene ethers in the presence of the tetra-n-C1-C6-alkoxy-titanate as catalyst. Oligo- or polyalkylene ether-modified polydimethylsiloxanes obtainable through this process are suitable as defoamers, as wetting agents, and as additives in coating material formulations.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: December 1, 2020
    Assignee: BASF SE
    Inventors: Lothar Engelbrecht, Wolfgang Peter, Clemens Auschra, Ralf Knischka, Reiner Kranwetvogel
  • Patent number: 10752736
    Abstract: The invention relates to a process for preparing oligo- or polyalkylene ether-modified polysiloxanes by transesterification of alkoxy-functionalized polysiloxanes with OH-terminated oligo- or polyalkylene ethers in the presence of an alkanesulfonic acid as catalyst. Oligo- or polyalkylene ether-modified polydimethylsiloxanes obtainable through this process are suitable as defoamers, as wetting agents, and as additives in coating material formulations.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: August 25, 2020
    Assignee: BASF SE
    Inventors: Lothar Engelbrecht, Wolfgang Peter, Andreas Gernandt, Clemens Auschra, Ralf Knischka, Reiner Kranwetvogel
  • Publication number: 20200255772
    Abstract: The invention relates to the use of a non-aqueous composition comprising an organic solvent and at least one particular siloxane-type additive for treating substrates comprising patterns having line-space dimensions of 50 nm or below and aspect ratios of 4 or more as well as a method for manufacturing integrated circuit devices, optical devices, micromachines and mechanical precision devices, the said method comprising the steps of (1) providing a substrate having patterned material layers having line-space dimensions of 50 nm, aspect ratios of greater or equal 4, or a combination thereof, (2) contacting the substrate at least once with a non-aqueous composition, and (3) removing the non-aqueous composition from the contact with the substrate, wherein the non-aqueous composition comprising an organic solvent and at least one of such siloxane-type additives.
    Type: Application
    Filed: October 29, 2018
    Publication date: August 13, 2020
    Applicant: BASF SE
    Inventors: Daniel LOEFFLER, Mei Chin SHEN, Sheng Hsuan WEI, Frank PIRRUNG, Lothar ENGELBRECHT, Yeni BURK, Andreas KLIPP, Marcel BRILL, Szilard CSIHONY
  • Patent number: 10584263
    Abstract: The present invention relates to aqueous polymer-silicon oil hybrid compositions in the form of aqueous dispersions of finely divided polymer-silicon oil hybrid particles which comprise at least one water-insoluble polymer P made of ethylenically unsaturated monomers M, at least one surface-active substance and at least non-polymerizable, non-polar silicon oil. The present invention relates in particular to the use of these compositions as additives in aqueous coating and printing ink compositions.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: March 10, 2020
    Assignee: BASF SE
    Inventors: Frank Pirrung, Lothar Engelbrecht, Clemens Auschra, Jens-Uwe Voigt, Ralf Knischka
  • Patent number: 10301434
    Abstract: The present invention relates to novel block copolymers of general formula (I). The invention further relates to a method for producing such block copolymers and to the use of such block copolymers, particularly as additives in liquid coating-agent compositions. A{X—[O—C(O)NH—Y—NH—C(O)—O-M-B]k}n (I).
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: May 28, 2019
    Assignee: BASF SE
    Inventors: Lothar Engelbrecht, Frank Pirrung, Clemens Auschra, Ralf Knischka, Reiner Kranwetvogel
  • Publication number: 20180305548
    Abstract: The invention relates to a process for preparing oligo- or polyalkylene ether-modified polysiloxanes by transesterification of alkoxy-functionalized polysiloxanes with OH— terminated oligo- or polyalkylene ethers in the presence of the tetra-n-C1-C6-alkoxy- titanate as catalyst. Oligo- or polyalkylene ether-modified polydimethylsiloxanes obtainable through this process are suitable as defoamers, as wetting agents, and as additives in coating material formulations.
    Type: Application
    Filed: November 2, 2016
    Publication date: October 25, 2018
    Applicant: BASF SE
    Inventors: Lothar ENGELBRECHT, Wolfgang PETER, Clemens AUSCHRA, Ralf KNISCHKA, Reiner KRANWETVOGEL
  • Publication number: 20180298149
    Abstract: The invention relates to a process for preparing oligo- or polyalkylene ether-modified polysiloxanes by transesterification of alkoxy-functionalized polysiloxanes with OH-terminated oligo- or polyalkylene ethers in the presence of an alkanesulfonic acid as catalyst. Oligo- or polyalkylene ether-modified polydimethylsiloxanes obtainable through this process are suitable as defoamers, as wetting agents, and as additives in coating material formulations.
    Type: Application
    Filed: November 2, 2016
    Publication date: October 18, 2018
    Applicant: BASF SE
    Inventors: Lothar ENGELBRECHT, Wolfgang PETER, Andreas GERNANDT, Clemens AUSCHRA, Ralf KNISCHKA, Reiner KRANWETVOGEL
  • Patent number: 9944786
    Abstract: The present invention relates to a composition, comprising a binder resin, a block copolymer which comprises at least a block A and a block B, wherein the block A comprises monomer units derived from a compound selected from (meth)acrylic acid, a (meth)acrylic acid ester, a (meth)acrylamide, a vinyl aromatic compound, or any mixture thereof, the block B comprises monomer units derived from a compound selected from a fluorinated (meth)acrylic ester having the following formula (I): H2C?C(R1)(C(O)ORF-1)??(I) wherein R1 is H or methyl; and RF-1 is an organic residue containing a perfluorinated C4-6 alkyl group, a fluorinated alpha-olefin having the following formula (II): H2C?CH(RF-2)??(II) wherein RF-2 is an organic residue containing a perfluorinated C4-6 alkyl group, i.e., —(CF2)3-5—CF3 or any mixture thereof.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: April 17, 2018
    Assignee: BASF SE
    Inventors: Mary Thomson, Ralf Knischka, Clemens Auschra, Lothar Engelbrecht
  • Publication number: 20170247570
    Abstract: The present invention relates to aqueous polymer-silicon oil hybrid compositions in the form of aqueous dispersions of finely divided polymer-silicon oil hybrid particles which comprise at least one water-insoluble polymer P made of ethylenically unsaturated monomers M, at least one surface-active substance and at least non-polymerizable, non-polar silicon oil. The present invention relates in particular to the use of these compositions as additives in aqueous coating and printing ink compositions.
    Type: Application
    Filed: September 22, 2015
    Publication date: August 31, 2017
    Applicant: BASF SE
    Inventors: Frank PIRRUNG, Lothar ENGELBRECHT, Clemens AUSCHRA, Jens-Uwe VOIGT, Ralf KNISCHKA
  • Patent number: 9587105
    Abstract: The present invention relates to a composition, comprising a binder resin, a block copolymer which comprises at least a block A and a block B, wherein the block A comprises monomer units derived from a compound selected from (meth)acrylic acid, a (meth)acrylic acid ester, a (meth)acrylamide, a vinyl aromatic compound, or any mixture thereof, the block B comprises monomer units derived from a compound selected from a fluorinated (meth)acrylic ester having the following formula (I): H2C?C(R1)(C(0)ORF-1), wherein R1 is H or methyl; and RF-1 is an organic residue containing a perfluorinated C4-6 alkyl group, a fluorinated alpha-olefin having the following formula (II): H2C?CH(RF-2) (II) wherein RF-2 is an organic residue containing a perfluorinated C4-6 alkyl group, i.e. —(CF2)3-5—CF3 or any mixture thereof.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: March 7, 2017
    Assignee: BASF SE
    Inventors: Mary Thomson, Ralf Knischka, Clemens Auschra, Lothar Engelbrecht
  • Publication number: 20170009096
    Abstract: The present invention relates to a composition, comprising a binder resin, a block copolymer which comprises at least a block A and a block B, wherein the block A comprises monomer units derived from a compound selected from (meth)acrylic acid, a (meth)acrylic acid ester, a (meth)acrylamide, a vinyl aromatic compound, or any mixture thereof, the block B comprises monomer units derived from a compound selected from a fluorinated (meth)acrylic ester having the following formula (I): H2C?C(R1)(C(O)ORF?1)??(I) wherein R1 is H or methyl; and RF?1 is an organic residue containing a perfluorinated C4-6 alkyl group, a fluorinated alpha-olefin having the following formula (II): H2C?CH(RF?2)??(II) wherein RF?2 is an organic residue containing a perfluorinated C4-6 alkyl group, i.e., —(CF2)3-5—CF3 or any mixture thereof.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 12, 2017
    Applicant: BASF SE
    Inventors: Mary THOMSON, Ralf KNISCHKA, Clemens AUSCHRA, Lothar ENGELBRECHT
  • Publication number: 20160230014
    Abstract: The invention relates to scratch-resistant coatings obtainable by radiative curing, by reaction of (meth)acrylates with mercapto groups, to processes for production thereof and to the use thereof.
    Type: Application
    Filed: September 10, 2014
    Publication date: August 11, 2016
    Applicant: BASF SE
    Inventors: Reinhold SCHWALM, Lothar ENGELBRECHT, Bernhard Ulrich von VACANO
  • Publication number: 20160222217
    Abstract: The invention relates to scratch-resistant coatings obtainable by radiative curing, by reaction of (meth)acrylates with mercapto groups, to processes for production thereof and to use thereof.
    Type: Application
    Filed: September 10, 2014
    Publication date: August 4, 2016
    Applicant: BASF SE
    Inventors: Reinhold SCHWALM, Lothar ENGELBRECHT, Bernhard Ulrich von VACANO
  • Publication number: 20150337086
    Abstract: The present invention relates to novel block copolymers of general formula (I). The invention further relates to a method for producing such block copolymers and to the use of such block copolymers, particularly as additives in liquid coating-agent compositions. A{X—[O—C(O)NH—Y—NH—C(O)—O-M-B]k}n (I).
    Type: Application
    Filed: January 17, 2014
    Publication date: November 26, 2015
    Applicant: BASF SE
    Inventors: Lothar ENGELBRECHT, Frank PIRRUNG, Clemens AUSCHRA, Ralf KNISCHKA, Reiner KRANWETVOGEL
  • Publication number: 20150018476
    Abstract: The present invention relates to a composition, comprising a binder resin, a block copolymer which comprises at least a block A and a block B, wherein the block A comprises monomer units derived from a compound selected from (meth)acrylic acid, a (meth)acrylic acid ester, a (meth)acrylamide, a vinyl aromatic compound, or any mixture thereof, the block B comprises monomer units derived from a compound selected from a fluorinated (meth)acrylic ester having the following formula (I): H2C?C(R1)(C(0)ORF-1), wherein R1 is H or methyl; and RF-1 is an organic residue containing a perfluorinated C4-6alkyl group, a fluorinated alpha-olefin having the following formula (II): H2C?CH(RF-2) (II) wherein RF-2 is an organic residue containing a perfluorinated C4-6 alkyl group, i.e. —(CF2)3-5—CF3 or any mixture thereof.
    Type: Application
    Filed: February 22, 2013
    Publication date: January 15, 2015
    Applicant: BASF SE
    Inventors: Mary Thomson, Ralf Knischka, Clemens Auschra, Lothar Engelbrecht