Patents by Inventor Ralf Brückmann

Ralf Brückmann 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: 11214735
    Abstract: The present invention relates to a soil conditioner based on organomodified siloxanes and uses thereof as well as methods for conditioning soil, particularly farmland, which reduce the sodicity and dispersion to improve the mobility of water through the soil.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: January 4, 2022
    Assignee: CHT Germany GMBH
    Inventors: Bhatt Sundeep, John Saad, Ralf Brückmann, Peter Will
  • Publication number: 20200002610
    Abstract: The present invention relates to a soil conditioner based on organomodified siloxanes and uses thereof as well as methods for conditioning soil, particularly farmland, which reduce the sodicity and dispersion to improve the mobility of water through the soil.
    Type: Application
    Filed: February 6, 2018
    Publication date: January 2, 2020
    Inventors: Bhatt SUNDEEP, John SAAD, Ralf BRÜCKMANN, Peter WILL
  • Patent number: 8309476
    Abstract: The present invention relates to concentrated inorganic/organic sols that are readily diluted with water to form coating agents for textile materials. Further, the use of the aqueous formulations, especially for the washproof coating of a textile material.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: November 13, 2012
    Assignee: CHT R. Beitlich GmbH
    Inventors: Ralf Brückmann, Harald Lutz, Matthias Koch, Hermann Schirra, Dirk Kreischer
  • Patent number: 5534166
    Abstract: Condensates of arenesulfonic acids and formaldehyde are prepared by sulfonating arenes obtainable by thermal cracking of a naphthenic residue oil and fractional distillation of the cracked products of the fraction obtained at 100-120.degree. C. under atmospheric pressure, sulfonating this aromatics fraction with oleum at 120.degree.-160.degree. C. using an amount of from 0.7 to 1.2 parts by weight of oleum having an SO.sub.3 content of 24% by weight per part by weight of aromatics fraction, and subsequently condensing the arenesulfonic acids with formaldehyde in a conventional manner, and are used as dispersants, in particular for preparing dye formulations.
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: July 9, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Johannes P. Dix, Rolf Fikentscher, Manfred Herrmann, Norbert Zimmermann
  • Patent number: 5364972
    Abstract: A process for preparing nitrobenzophenones by reaction of benzene or its derivatives with nitrobenzoyl chloride in the presence of a Lewis acid, a color-stable modification of 1,4-dimethyl-5-cyano-3-[4-(2,4-dimethylbenzoyl)phenylazo]-2-hydroxy-6-pyri done and its use for dyeing or printing synthetic fiber material are described.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: November 15, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Degen, Norbert Zimmerman, Ralf Brueckmann, Gunther Lamm, Arno Lange, Helmut Reichelt
  • Patent number: 5298635
    Abstract: Tertiary amides useful as low-foam wetting agents in the textile industry have the formula I ##STR1## where R.sup.1 is straight-chain or branched C.sub.5 -C.sub.17 -alkyl or -alkenyl,R.sup.2 is straight-chain or branched C.sub.3 -C.sub.6 -alkyl,R.sup.3, R.sup.4 and R.sup.5 are each independently of the others hydrogen, methyl or ethyl, andn is from 3 to 15.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: March 29, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Eberhard Beckmann, Ralf Brueckmann, Johannes P. Dix, Peter Freyberg, Erich Kromm
  • Patent number: 5240771
    Abstract: Copolymers suitable for use as temporary surface protection for two- or three-dimensional structures and as sizing agents are based on C.sub.1 -C.sub.8 -alkyl acrylates and/or methacrylates and are obtainable by free radical emulsion or solution polymerization ofA) from 50 to 95% by weight of a C.sub.1 -C.sub.8 -alkyl acrylate or methacrylate,B) from 5 to 20% by weight of an unsaturated carboxylic acid or anhydride,C) from 0 to 20% by weight of further water-soluble comonomer, andD) from 0 to 10% by weight of other comonomer in the presence ofE) from 2 to 60 parts by weight of a polyvinyl alcohol per 100 parts by weight of the monomer mixture of A) to D).
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: August 31, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Holger Schoepke, Thomas Wirth, Juergen Hartmann
  • Patent number: 5231145
    Abstract: Copolymers suitable for use as temporary surface protection for two- or three-dimensional structures and as sizing agents are based on C.sub.1 -C.sub.8 -alkyl acrylates and/or methacrylates and are obtainable by free radical emulsion or solution polymerization ofA) from 50 to 95% by weight of a C.sub.1 -C.sub.8 -alkyl acrylate or methacrylate,B) from 5 to 20% by weight of an unsaturated carboxylic acid or anhydride,C) from 0 to 20% by weight of further water-soluble comonomer, andD) from 0 to 10% by weight of other comonomer in the presence ofE) from 2 to 60 parts by weight of a polyvinyl alcohol per 100 parts by weight of the monomer mixture of A) to D).
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: July 27, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Holger Schoepke, Thomas Wirth, Juergen Hartmann
  • Patent number: 5186846
    Abstract: Dispersants of increased bioeliminability or biodegradability for use in dye and pigment preparations, as tanning aids, in plastics production and in crop protection formulations contain from 3 to 50% by weight of one or more aromatic or long-chain aliphatic carboxylic acids, salts thereof or anhydrides thereof or a mixture thereof.
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: February 16, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Willi Bury, Johannes P. Dix, Manfred Herrmann, Waldemar Dlugosch, Erich Kromm, Herbert Letter, Norbert Zimmermann, Wolf-Dieter Kermer, Klaus Taeger
  • Patent number: 5124438
    Abstract: Chemically modified proteins obtainable by reacting casein, collagen, gelatin, albumin or mixtures thereof(a) with 0.5 to 15% by weight of chlorine or of a compound which liberates chlorine under the reaction conditions, in an aqueous medium at a pH of from 0 to 7 or(b) with 0.5 to 50% by weight of a non-aromatic mono- or disulfonic acid which contains in its organic radical one or more groups or structural features which react with nucleophiles, in an aqueous medium at a pH of from 6 to 14,are used as dispersants in colorant formulations.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: June 23, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Johannes P. Dix, Manfred Herrmann, Herbert Leiter, Norbert Zimmermann
  • Patent number: 5080811
    Abstract: Reaction products of compounds of the formula IRCONHC.sub.2 H.sub.4 OH Iwhere R is C.sub.12 -C.sub.20 -alkyl or -alkenyl, with 14 to 18 mol of ethylene oxide per mole of I, are useful as textile softeners.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: January 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Toni Simenc
  • Patent number: 4943602
    Abstract: Aqueous polyester dispersions are prepared by(a) condensing an aromatic dicarboxylic acid or ester with at least one diol to give a prepolymer having an acid number of from 2 to 8,(b) reacting the prepolymer with at least one molecular weight enhancer compound, e.g. trimellitic anhydride to give a polyester having an acid number of from 40 to 60, and(c) dispersing the polyester in an aqueous medium to form an aqueous dispersion by adding an aqueous mixture of ammonia and an amine in a molar ratio of from 10:1 to 1:10 to a melt of the polyester which has a temperature within the range from 150.degree. to 230.degree. C.,and are used as sizes for sizing filament warp yarns.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: July 24, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Brueckmann, Heinz Leitner, Holger Schoepke