Patents by Inventor Maximilian Angel

Maximilian Angel 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: 11723871
    Abstract: The use of powder-form, crosslinked, water-insoluble, low-swelling polyacrylates as disintegrants for solid pharmaceutical dosage forms.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: August 15, 2023
    Assignee: BASF SE
    Inventors: Theo Smit, Matthias Karl, Felicitas Guth, Maximilian Angel, Karl Kolter, Frank Schmidt, Maximilian Blochberger-Claus
  • Publication number: 20210251905
    Abstract: The use of powder-form, crosslinked, water-insoluble, low-swelling polyacrylates as disintegrants for solid pharmaceutical dosage forms.
    Type: Application
    Filed: May 15, 2019
    Publication date: August 19, 2021
    Inventors: Theo SMIT, Matthias KARL, Felicitas GUTH, Maximilian ANGEL, Karl KOLTER, Frank SCHMIDT, Maximilian BLOCHBERGER-CLAUS
  • Publication number: 20210069112
    Abstract: Terpolymer, wherein 20 to 35% by weight of the structural units are derived from acrylic acid, 45 to 60% by weight of the structural units from a hydrophobic methacrylate selected from a group consisting of isopropyl methacrylate, tert-butyl methacrylate and cyclohexyl methacrylate and 15 to 40% by weight of the structural units from a third olefinic monomer selected from the group consisting of N-vinyl lactam, hydroxy ethyl methacrylate and phenoxyethyl acrylate with the proviso that the total amount of structural units derived from the three monomer groups adds up to 100% by weight, and the use of the terpolymers as crystallization inhibitors in pharmaceutical dosage forms for inhibiting the recrystallization in an aqueous environment of a human or animal body of an active ingredient.
    Type: Application
    Filed: December 7, 2018
    Publication date: March 11, 2021
    Inventors: Ferdinand Paul Brandl, Theo Smit, Felicitas Guth, Karl Kolter, Maximilian Angel, Frank Schmidt
  • Patent number: 10912835
    Abstract: Pharmaceutical coatings obtained from coating compositions based on film-forming copolymers of N,N-diethylaminoethyl methacrylate (DEAEMA) and methyl methacrylate (MMA) comprising a weight ratio of DEAEMA:MMA in the range of 35:65 to 55:45, where the copolymers are present partially neutralized with C3-C10-dicarboxylic acids.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: February 9, 2021
    Assignee: BASF SE
    Inventors: Karl Kolter, Silke Gebert, Michael Klemens Müller, Maximilian Angel
  • Patent number: 10668156
    Abstract: Described are solid dispersions of hydrophobic active ingredients and cationic copolymers of N,N-diethylaminoethyl methacrylate and methyl methacrylate in a weight ratio of the monomers of from 35:65 to 55:45. Also described are the preparation and use of such solid dispersions for pharmaceutical dosage forms.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: June 2, 2020
    Assignee: BASF SE
    Inventors: Karl Kolter, Maximilian Angel, Matthias Karl, Silke Gebert, Michael Klemens Mueller
  • Patent number: 10610487
    Abstract: Water-soluble polymeric salts of medicaments sparingly soluble in water consisting of a cationogenic medicament which, in uncharged form or as hydrochloride, has a solubility of less than 0.1% (m/m) in water, artificial intestinal juice or gastric juice, and an anionogenic water-soluble polymer having a solubility in water of at least 5% (m/m) in the pH range of 1 to 13 and which is obtained by free-radically initiated polymerization of a monomer mixture of i) 70 to 90% by weight N-vinylpyrrolidone and ii) 10 to 30% by weight acrylic acid, wherein the sum total of i) and ii) corresponds to 100% by weight.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: April 7, 2020
    Assignee: BASF SE
    Inventors: Heiko Alexander Schiffter, Maximilian Angel, Karl Kolter, Felicitas Guth
  • Publication number: 20180235885
    Abstract: Water-soluble polymeric salts of medicaments sparingly soluble in water consisting of a cationogenic medicament which, in uncharged form or as hydrochloride, has a solubility of less than 0.1% (m/m) in water, artificial intestinal juice or gastric juice, and an anionogenic water-soluble polymer having a solubility in water of at least 5% (m/m) in the pH range of 1 to 13 and which is obtained by free-radically initiated polymerization of a monomer mixture of i) 70 to 90% by weight N-vinylpyrrolidone and ii) 10 to 30% by weight acrylic acid, wherein the sum total of i) and ii) corresponds to 100% by weight.
    Type: Application
    Filed: August 17, 2016
    Publication date: August 23, 2018
    Inventors: Heiko Alexander Schiffter, Maximilian Angel, Karl Kolter, Felicitas Guth
  • Publication number: 20180228730
    Abstract: Use of a water-soluble polymer having a solubility in water of greater than 5% (m/m) in the pH range of 1 to 13 and which is obtained by free-radically initiated polymerization of a monomer mixture of i) 70 to 90% by weight N-vinylpyrrolidone and ii) 10 to 30% by weight acrylic acid, wherein the sum total of i) and ii) corresponds to 100% by weight, for the formulation of basic active ingredients sparingly soluble in water, wherein the active ingredients in uncharged form or as hydrochloride have a solubility of less than 0.1% (m/m) in water, artificial intestinal juice or gastric juice.
    Type: Application
    Filed: August 17, 2016
    Publication date: August 16, 2018
    Inventors: Heiko Alexander Schiffter, Maximilian Angel, Karl Kolter, Felicitas Guth
  • Publication number: 20180110858
    Abstract: Pharmaceutical coatings obtained from coating compositions based on film-forming copolymers of N,N-diethylaminoethyl methacrylate (DEAEMA) and methyl methacrylate (MMA) comprising a weight ratio of DEAEMA:MMA in the range of 35:65 to 55:45, where the copolymers are present partially neutralized with C3-C10-dicarboxylic acids.
    Type: Application
    Filed: December 20, 2017
    Publication date: April 26, 2018
    Inventors: Karl Kolter, Silke Gebert, Michael Klemens Müller, Maximilian Angel
  • Patent number: 9795576
    Abstract: Dosage forms provided with protective coatings in which a core comprising at least one acidic active ingredient is provided with at least one inner and one outer coating layer, where the outer layer comprises, as component A, a cationic polymer which is an emulsion polymer of N,N-diethylaminoethyl methacrylate and further monomers.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: October 24, 2017
    Assignee: BASF SE
    Inventors: Karl Kolter, Maximilian Angel
  • Patent number: 9763888
    Abstract: A rapidly dispersible, fine-particle film-coating composition which is in powder form and is not prone to segregation for coating pharmaceutical dosage forms, consisting of a) 40-90% by weight of a polyvinyl alcohol-polyether graft copolymer (component A), b) 1-20% by weight of a polyvinylpyrrolidone or of a vinylpyrrolidone-vinyl acetate-copolymer with a K value of from 10 to 100 (component B) c) 10-60% by weight of organic or inorganic pigments having an average particle size of less than 8 ?m (component C) d) 0.5-15% by weight of a surfactant having an HLB of greater than 10 (component D) and e) 0-30% by weight of further customary coating ingredients (components E), in which the particles of component C are embedded in a coherent polymer matrix, where the total amount of components A to E is 100% by weight.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: September 19, 2017
    Assignee: BASF SE
    Inventors: Karl Kolter, Maximilian Angel, Andreas Habich
  • Patent number: 9732200
    Abstract: The present invention relates to a process for preparing an aqueous polymer dispersion by free-radical emulsion polymerization of a monomer mixture which comprises N,N-diethylaminoethyl methacrylate, to the polymer dispersion obtainable by this process, and to the use thereof.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: August 15, 2017
    Assignee: BASF SE
    Inventors: Maximilian Angel, Karl Kolter, Hartwig Voβ
  • Patent number: 9364418
    Abstract: The present invention relates to the use of copolymers comprising N-vinylpyrrolidone and a hydrophobically modified acrylic acid derivative as agents for improving the water resistance of a cosmetic formulation, and to the use of these copolymers in sunscreen compositions for increasing the sun protection factor, and furthermore the present invention relates to cosmetic formulations comprising these copolymers.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: June 14, 2016
    Assignee: BASF SE
    Inventors: Veronique Kessler, Maximilian Angel, Klemens Mathauer
  • Patent number: 9254329
    Abstract: A coating material, containing a mixture of i) a polymer obtained by radical polymerization from a) N,N-diethylaminoethyl methacrylate, and b) at least one radically polymerizable compound, selected from esters of ?,?-ethylenically unsaturated mono- and dicarboxylic acids with C1-C18 alkanols, as component A, ii) one or more antioxidants as component B, iii) one or more plasticizers as component C, and iv) other excipients as components D, wherein the total amount of the mixture of components A-D is 100 wt. %.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: February 9, 2016
    Assignee: BASF SE
    Inventors: Karl Kolter, Maximilian Angel, Thomas Breiner
  • Patent number: 9095730
    Abstract: Provided is a process for the preparation of methacrylate-based polymers soluble in aqueous medium, which can be used, in particular, as associative and non-associative thickeners.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: August 4, 2015
    Assignee: BASF SE
    Inventors: Maximilian Angel, Peter Hossel
  • Patent number: 9040065
    Abstract: The present invention relates to a process for the preparation of polymers comprising carboxyl groups by emulsion polymerization and the use of the polymers obtainable by this process, for example as thickeners. Moreover, the invention relates to thickener dispersions obtainable by the process and to the use thereof for modifying the rheology of paper coating slips, textile printing pastes, drugs, cosmetic preparations, detergents, cleansing compositions, or foods.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: May 26, 2015
    Assignee: BASF SE
    Inventors: Maximilian Angel, Peter Hossel
  • Patent number: 8962064
    Abstract: Described is a process for producing pulverulent, antioxidant-comprising coating compositions, comprising providing an aqueous polymer dispersions comprising one or more antioxidants and a polymer obtained by radical polymerization of a) N,N-diethylaminoethyl methacrylate, and b) at least one radically polymerizable compound selected from esters of ?,?-ethylenically unsaturated mono- and dicarboxylic acids with C1-C8-alkanols, wherein the antioxidants are incorporated into the aqueous polymer dispersion in the form of a solution or of a dispersion, and spray processing the aqueous polymer dispersion to provide a powder form.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: February 24, 2015
    Assignee: BASF SE
    Inventors: Karl Kolter, Maximilian Angel, Bernhard Linner
  • Publication number: 20140335182
    Abstract: The present invention relates to a process for preparing an aqueous polymer dispersion by free-radical emulsion polymerization of a monomer mixture which comprises N,N-diethylaminoethyl methacrylate, to the polymer dispersion obtainable by this process, and to the use thereof.
    Type: Application
    Filed: July 28, 2014
    Publication date: November 13, 2014
    Inventors: Maximilian Angel, Karl Kolter, Hartwig Voß
  • Patent number: 8865250
    Abstract: Described are processes for producing pulverulent coating compositions comprising providing an aqueous polymer dispersion comprising i) as component A a polymer obtained by radical polymerization of a) N,N-diethylaminoethyl methacrylate, and b) at least one radically polymerizable compound selected from esters of ?,?-ethylenically unsaturated mono- and dicarboxylic acids with C1-C8-alkanols; and spray processing the aqueous polymer dispersion in the presence of a drying gas to provide a powder, wherein the entry temperature of the drying gas into the spraying apparatus is at least 20° C. above the glass transition temperature and is at least 20° C. above the minimum film-forming temperature of the polymer and the exit temperature of the drying gas from the spraying apparatus is kept at 40 to 85° C.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: October 21, 2014
    Assignee: BASF SE
    Inventors: Karl Kolter, Maximilian Angel, Bernhard Linner
  • Patent number: 8790693
    Abstract: The present invention relates to a process for preparing an aqueous polymer dispersion by free-radical emulsion polymerization of a monomer mixture which comprises N,N-diethylaminoethyl methacrylate, to the polymer dispersion obtainable by this process, and to the use thereof.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: July 29, 2014
    Assignee: BASF SE
    Inventors: Maximilian Angel, Karl Kolter, Hartwig Voβ