Patents by Inventor Stephan Hüffer

Stephan Hüffer 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: 12281225
    Abstract: Described herein are aqueous mixtures including water, 1-vinylimidazole-containing polymer(s) (P) and quaternary ammonium salts (QA). Also described herein are methods of production and use of same.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: April 22, 2025
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Roland Ettl, Ruediger Lukas, Andrea Schiller, Frank Dietsche, Juergen Detering
  • Publication number: 20250011689
    Abstract: Disclosed herein are compositions including (A) at least one polymer including (a) a core that bears one to 3 moieties of the general formula (I), where Z are different or the same and selected from C5-C20-alkylene where in the C5-C20-alkylene at least one C-atom is replaced by an N-atom that bears a polyalkylene chain and where the C-atoms in the C5-C20-alkylene may be non-substituted or substituted with one or more O—C1-C4- alkyl groups, A1 are different or the same and selected from C1-C12-alkylene, C6-arylene, and C3-C12-cycloalkylene where C1-C12-alkylene and C3-C12-cycloalkylene may be non-substituted or substituted with one or more O—C1-C4-alkyl groups or OH groups and wherein C3-C12-cycloalkylene may bear one to three methyl groups, or based on citric acid, X1 is selected from hydrogen, methyl, ethyl and combinations of at least two thereof, and n is in a range of from 1 to 100, and (b) polyalkylene oxide chains.
    Type: Application
    Filed: December 8, 2022
    Publication date: January 9, 2025
    Inventors: Ivette GARCIA CASTRO, Yannick MATT, Stephan HUEFFER, Elena WOLF
  • Publication number: 20250002705
    Abstract: Described herein is a composition including (A) at least one polymer with an average molecular weight Mw of at least 1,500 g including, as repeating units, structural units according to general formula (I) where Z1 are the same or different and selected from hydrogen and methyl, R1 are the same or different and selected from C2-C4-alkyl, non-substituted or substituted with hydroxy or —NR2aR2b, R2a and R2b the are same or different and selected from C1-C4-alkyl, or NR2aR2b together form a C5-C6-cycloalkylenamino or 1-imidazole group, n is selected from 3 to 100, X1 is selected from O and N—R3, with R3 being selected from hydrogen and methyl, A1 are the same or different and selected from C2-C6-alkylene and (AO)y1, with AO being selected from ethylene oxide and propylene oxide and combinations thereof, and y1 being from 2 to 200, and (B) at least one anionic surfactant.
    Type: Application
    Filed: November 10, 2022
    Publication date: January 2, 2025
    Inventors: Jochen Eckhard WILLERSINN, Helen ROTHER-NOEDING, Helmut WITTELER, Swati DE, Stephan HUEFFER, Catharina WOHLMUTH
  • Publication number: 20240400945
    Abstract: Described herein is a composition including (A) at least one polymer comprising including (a) a backbone that bears one to forty ?-aminoalcohol groups or ?-amino-(alkylenoxide) groups, (b) where some ?-aminoalcohol groups or ?-amino-(alkylenoxide) groups are esterified with a mono- or diacid of a polyalkylene oxide of which at least 50 mol-% of the alkylene oxide groups are ethylene oxide groups, or with the monomethyl ether of a monoacid of a polyalkylene oxide of which at least 50 mol-% of the alkylene oxide groups are ethylene oxide groups, and, optionally, (c) of which some ?-aminoalcohol groups or ?-amino-(alkylenoxide) groups are esterified with aliphatic C4-C10-di- or tricarboxylic acid.
    Type: Application
    Filed: October 5, 2022
    Publication date: December 5, 2024
    Inventors: Stephan HUEFFER, Thomas WEISS, Peter OECHSLE, Ivette GARCIA CASTRO, Sandra Gloria KOENIG, Soumya Srinivas DATURPALLI
  • Publication number: 20240247102
    Abstract: Disclosed herein is a polyalkylene oxide ester polymer with a weight average molecular weight Mw in the range of from 500 to 50,000 g/mol and a polydispersity PD in the range of from 2 to 6, including 10 to 560 ether groups and 2 to 51 ester groups that are interconnected with alkylene groups, which are significantly more biodegradable than conventional polyalkylene oxide polymers. Further disclosed herein are a method of preparing a polyalkylene oxide ester polymer and a method of using the polyalkylene oxide ester polymer.
    Type: Application
    Filed: June 13, 2022
    Publication date: July 25, 2024
    Inventors: Verena MORMUL, Peter OECHSLE, Christian SCHADE, Stephan HUEFFER, Thomas WEISS
  • Publication number: 20240132808
    Abstract: Disclosed herein is a homogenous, storage-stable liquid enzyme preparation, including component (a): at least one enzyme selected from the group of hydrolases (EC 3); component (b): an enzyme-stabilizing system including (bi) at least one compound according to general formula (A) where the variables in formula (A) are as follows: R1 is selected from H and C1-C10 alkylcarbonyl, R2, R3, R4 are independently from each other selected from H, linear C1-C5 alkyl, branched C3-C10 alkyl, C6-C10-aryl, non-substituted or substituted with one or more carboxylate or hydroxyl groups, and C6-C10-aryl-alkyl, where alkyl of the latter is selected from linear C1-C8 alkyl or branched C3-C8 alkyl, where at least one of R2, R3, and R4 is not H; and (bii) at least one compound selected from boron containing compound and peptide stabilizer, and component (c): at least one diol.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 25, 2024
    Inventors: Stephan HUEFFER, Grit J BAIER, Katrin-Stephanie TUECKING, Stefan FISCHER
  • Publication number: 20240052270
    Abstract: A liquid composition, including component (a): at least one peptide aldehyde, and component (b): at least two organic solvents, where one organic solvent is 1,2-propane diol and at least one further organic solvent is selected from the group consisting of diols other than 1,2-propane diol in a weight ratio of 1,2-propane diol: at least one diol other than 1,2-propane diol of 25:1 to 1:4.
    Type: Application
    Filed: September 17, 2021
    Publication date: February 15, 2024
    Inventors: Stephan HUEFFER, Sonja KUEBELBECK, Gabriele BOENEMANN, Katrin-Stephanie TUECKING, Grit BAIER, Stefan JENEWEIN, Stefan FISCHER
  • Publication number: 20240018304
    Abstract: Disclosed herein are biodegradable polymers, a process to produce polyamines and alkoxylated polyamines, formulations and compositions including polyamines and alkoxylated polyamines, and a method of using polyamines and alkoxylated polyamines as ingredients in formulations and compositions within the field of application of fabric and home care, industrial and institutional cleaning, cosmetics, personal care, agricultural formulations, technical formulations and construction formulations.
    Type: Application
    Filed: December 8, 2021
    Publication date: January 18, 2024
    Inventors: Swati DE, Helmut WITTELER, Claudia ESPER, Stephan HUEFFER, Helen ROTHER-NOEDING, Jochen Eckhard WILLERSINN
  • Publication number: 20230235250
    Abstract: Disclosed herein are compositions including (A) at least one polymer including (a) a core obtained by reacting a diamine H2N—Z—NH2 with a compound having a total number TN of carboxyl groups per molecule in the range of from 3 to 10, where Z is selected from C3-C12-cycloalkylene that may be non-substituted or substituted with one or more O—C1-C4-alkyl groups and where C3-C12-cycloalkylene may bear one to three methyl groups, and where carboxyl groups are selected from COOH and COOX1 with X1 being selected from C1-C4-alkyl, or two carboxyl groups together form an anhydride group, (b) polyalkylene oxide chains, and (B) at least one hydrolase.
    Type: Application
    Filed: June 8, 2021
    Publication date: July 27, 2023
    Inventors: Alejandra GARCIA MARCOS, Stephan HUEFFER, Ivette GARCIA CASTRO, Sandra Gloria KOENIG
  • Patent number: 11666050
    Abstract: Disclosed are compositions comprising a) an antimicrobial agent, which is selected from the group consisting of biocides containing halogen atoms and/or containing phenolic moieties, formic acid, chlorine dioxide, chlorine dioxide generating compounds, dialdehydes; components containing an antimicrobial metal such as antimicrobial silver, and b) a polyamine, especially a polyethylenimine. The polyamine is effective as a booster for the antimicrobial agent.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: June 6, 2023
    Assignee: BASF SE
    Inventors: Janina Purschwitz, Stephan Hüffer, Alejandra Garcia Marcos, Menno Hazenkamp
  • Publication number: 20230137116
    Abstract: Described herein is a detergent composition including (A) at least one polymer including (a) a core that includes one to 3 moieties of general formula (I), where Z are different or the same and are selected from the group consisting of C2-C12-alkylene and C3-C12-cycloalkylene A1 are different or the same and are: selected from the group consisting of C1-C12-alkylene, C6-arylene, and C3-C12-cycloalkylene, or based on citric acid, X1 is selected from the group consisting of hydrogen, methyl, ethyl, and combinations of at least two of the foregoing, n is in a range of 1 to 100; and (b) polyalkylene oxide chains.
    Type: Application
    Filed: July 5, 2021
    Publication date: May 4, 2023
    Inventors: Alejandra GARCIA MARCOS, Stephan HUEFFER, Ivette GARCIA CASTRO, Sandra Gloria KOENIG
  • Publication number: 20230109638
    Abstract: Described herein is an automatic dishwashing (ADW) composition including as component (A) at least one imidazole-based compound selected from the group consisting of unsubstituted or at least monosubstituted imidazole and benzimidazole. The automatic dishwashing composition may include further components, such as polyakylene imines (component (B)), at least one silicate (component (C)) and/or at least one chelating agent (component (D)). Also described herein is a process for cleaning dishware using said ADW composition as well as a method of using said ADW composition, for example, to reduce any corrosion on the items to be dishwashed (dishware). Also described herein is a method of using at least one imidazole-based compound according to component (A) as a corrosion inhibitor in automatic dishwashing processes.
    Type: Application
    Filed: February 24, 2021
    Publication date: April 6, 2023
    Inventors: Stephan HUEFFER, Torben ADERMANN, Kati SCHMIDT, Roland ETTL, Tobias URBAN
  • Publication number: 20230060987
    Abstract: Described herein is a composite material including perfluoroalkoxy polymer powder, carbon black powder and a film-forming liquid, where the proportion by mass of the film-forming liquid is from 0.05% by weight to 1.0% by weight, the film-forming liquid at least partially wets the surfaces of the particles of the perfluoroalkoxy polymer powder, and the particles of the carbon black powder adhere to the film-forming liquid and/or the particles of the perfluoroalkoxy polymer powder. Also described herein are a production process for coating metallic surfaces, which uses the composite material as starting material, and further uses of the composite material.
    Type: Application
    Filed: August 6, 2021
    Publication date: March 2, 2023
    Inventors: Rainer ANDERLIK, Peter DILLMANN, Thomas MAAS, Stephan HUEFFER
  • Publication number: 20220403295
    Abstract: The present invention is directed towards cleaning compositions containing (A) at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and of glutamic acid diacetic acid (GLDA) and of citric acid, (B) an alkali metal salt of glycine or alanine, in a weight ratio of (A):(B) of from 10:1 to 1:10.
    Type: Application
    Filed: November 5, 2020
    Publication date: December 22, 2022
    Applicant: BASF SE
    Inventor: Stephan HUEFFER
  • Patent number: 11512268
    Abstract: Described herein is a liquid enzyme preparation containing component (a): at least one salt according to general formula (I) (R2)3N+—(CH2)nC(R3)(R4)—(O—X)m—O—C(O)—R1A???(I) wherein n is selected from 1 to 12, m is selected from zero to 50, R1 is selected from the group consisting of methyl, ethyl, —CH(OH)—CH(OH)—COOH, CH(OH)—CH3, (E)-CH?CHCOOH, (Z)—CH?CHCOOH, —C6H5, para-HO—C6H4—, o,p-dihydroxyphenyl, and 3,4,5-triydroxyphenyl, R2 are same or different and selected from C1-C10-alkyl, phenyl, R3 and R4 are same or different and selected from hydrogen and C1-C4-alkyl, X is C2-C4-alkylen, and A? is an inorganic or organic counteranion, component (b): at least one enzyme selected from hydrolases (EC 3), and optionally component (c): at least one compound selected from enzyme stabilizers different from component (a), preservatives, and surfactants.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: November 29, 2022
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos, Oliver Spangenberg, Matthias Kellermeier, Susanne Wolwertz
  • Patent number: 11390713
    Abstract: Described herein is a process for manufacturing an alkoxylated polyalkylenimine, the process including the following steps: (a) providing a polyalkylenimine (A), (b) reacting the polyalkylenimine (A) with 0.5 to 1.3 moles of propylene oxide or butylene oxide per N—H function at a temperature in the range of 100 to 150° C., (c) reacting the product from step (b) with C2-C4-alkylene oxide wherein the C2-C4-alkylene oxide is different from the alkylene oxide used in step (b).
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: July 19, 2022
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Thomas Wesley Holcombe, Sebastian Mirtschin, Frank Dietsche, Jan Uwe Mueller, Alejandra Garcia Marcos
  • Publication number: 20220112479
    Abstract: Described herein is an enzyme preparation including Component (a): at least one compound according to general formula (I) wherein R1 is H; R2, R3, R4 are independently from each other selected from the group consisting of H, linear C1-C8 alkyl, and branched C3-C8 alkyl, C6-C10-aryl, non-substituted or substituted with one or more carboxylate or hydroxyl groups, and C6-C10-aryl-alkyl, wherein an alkyl of the C6-C10-aryl-alkyl is selected from the group consisting of linear C1-C8 alkyl and branched C3-C8 alkyl, wherein at least one of R2, R3, and R4 is not H, component (b): at least one enzyme selected from the group consisting of hydrolases (EC 3) and proteases component (c): at least one compound selected from the group consisting of solvents, enzyme stabilizers different from component (a), and compounds stabilizing the enzyme preparation.
    Type: Application
    Filed: September 24, 2019
    Publication date: April 14, 2022
    Inventors: Stephan Hueffer, Oliver Spangenberg, Alejandra Garcia Marcos, Heike Weber, Katrin-Stephanie Tuecking, Stefan Fischer
  • Publication number: 20220041962
    Abstract: The presently claimed invention relates to a shaped body comprising at least one graft copolymer (I) comprising a polyether and one or more side chains obtained by the polymerization of compounds of formula (IA) and/or formula (IB) and/or formula (IC); CH2—CY—C(=0)-0R1 formula (IA) CH2—CY-0-C(=0)-R1 formula (IB) CH2—CH—CH2—O—C(?O)—R1 formula (IC) wherein R1 is in each case selected from C4-C20-alkyl or C4-C20-alkenyl and Y is in each case selected from hydrogen and methyl, and at least one aroma chemical. The presently claimed invention is also directed towards a process for the preparation of the shaped body. The presently claimed invention also relates to a composition comprising at least one shaped body.
    Type: Application
    Filed: December 13, 2019
    Publication date: February 10, 2022
    Inventors: Bernd Dieter OSCHMANN, Stephan HUEFFER, Wolfgang KRAUSE
  • Publication number: 20210395650
    Abstract: Described herein is an enzyme preparation including component (a): at least one compound according to general formula (I) wherein R1 is; R2, R3, R4 are independently from each other selected from the group consisting of H, linear C1-C8 alkyl, and branched C3-C8 alkyl, C6-C10-aryl, non-substituted or substituted with one or more carboxylate or hydroxyl groups, and C6-C10-aryl-alkyl, wherein an alkyl of the C6-C10-aryl-alkyl is selected from the group consisting of linear C1-C8 alkyl and branched C3-C8 alkyl, wherein at least one of R2, R3, and R4 is not H, component (b): at least one enzyme selected from the group consisting of hydrolases (EC 3); and optionally component (c): at least one compound selected from the group consisting of solvents, enzyme stabilizers different from component (a), and compounds stabilizing the enzyme preparation.
    Type: Application
    Filed: September 24, 2019
    Publication date: December 23, 2021
    Inventors: Stephan Hueffer, OLiver Spangenberg, Grit Baier, Alejandra Garcia Marcos, Claudia Esper
  • Publication number: 20210395651
    Abstract: Described herein is an enzyme preparation including component (a): at least one compound according to general formula (I) wherein R1 is H; R2, R3, R4 are independently from each other selected from the group consisting of H, linear C1-C8 alkyl, and branched C3-C8 alkyl, C6-C10-aryl, non-substituted or substituted with one or more carboxylate or hydroxyl groups, and C6-C10-aryl-alkyl, wherein an alkyl of the C6-C10-aryl-alkyl is selected from the group consisting of linear C1-C8 alkyl and branched C3-C8 alkyl, wherein at least one of R2, R3, and R4 is not H; component (b): at least one enzyme selected from the group consisting of hydrolases (EC 3); and optionally component (c): at least one compound selected from the group consisting of solvents, enzyme stabilizers different from component (a), and compounds stabilizing the enzyme preparation.
    Type: Application
    Filed: September 24, 2019
    Publication date: December 23, 2021
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos, Sonja Kuebelbeck, Grit Baier, Oliver Spangenberg