Patents by Inventor Dario Perera

Dario Perera 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: 11053334
    Abstract: The presently claimed invention relates to novel monomers which can be used for preparing polymers which are useful as dispersants for pigments and fillers, as wetting agent and as thickening agents in liquid compositions.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: July 6, 2021
    Assignee: BASF SE
    Inventors: Huiguang Kou, Clemens Auschra, Frank Pirrung, Dario Perera-Diez
  • Patent number: 10730967
    Abstract: The present invention relates to novel polymer compositions, to a process for their manufacturing, to the use of said polymer compositions for modifying the viscosity of aqueous compositions, and to water-borne coating compositions containing the novel polymer compositions as thickeners. The polymer compositions comprise a polymer material which is obtainable by reacting: a) a polymer P1 having at least one functional group of the formula (I), where k is an integer from 0 to 4; n is 0 or 1 p is an integer from 1 to 10, the number average of p being from 1.5 to 10; Q is a divalent moiety selected from the group consisting of —O— and —NH—; P is a p-valent hydrophilic neutral polymer radical; and R1 is as defined in the claims; with b) a succinic anhydride of the formula (II) where R is C4-C24-alkyl or C4-C24-alkenyl.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: August 4, 2020
    Assignee: BASF SE
    Inventors: Huiguang Kou, Clemens Auschra, Dario Perera-Diez
  • Publication number: 20200048388
    Abstract: The presently claimed invention relates to novel monomers which can be used for preparing polymers which are useful as dispersants for pigments and fillers, as wetting agent and as thickening agents in liquid compositions.
    Type: Application
    Filed: October 24, 2017
    Publication date: February 13, 2020
    Applicant: BASF SE
    Inventors: Huiguang KOU, Clemens AUSCHRA, Frank PIRRUNG, Dario PERERA-DIEZ
  • Publication number: 20170362351
    Abstract: The present invention relates to novel polymer compositions, to a process for their manufacturing, to the use of said polymer compositions for modifying the viscosity of aqueous compositions, and to water-borne coating compositions containing the novel polymer compositions as thickeners. The polymer compositions comprise a polymer material which is obtainable by reacting: a) a polymer P1 having at least one functional group of the formula (I), where k is an integer from 0 to 4; n is 0 or 1 p is an integer from 1 to 10, the number average of p being from 1.5 to 10; Q is a divalent moiety selected from the group consisting of —O— and —NH—; P is a p-valent hydrophilic neutral polymer radical; and R1 is as defined in the claims; with b) a succinic anhydride of the formula (II) where R is C4-C24-alkyl or C4-C24-alkenyl.
    Type: Application
    Filed: December 15, 2015
    Publication date: December 21, 2017
    Applicant: BASF SE
    Inventors: Huiguang KOU, Clemens AUSCHRA, Dario PERERA-DIEZ
  • Patent number: 9790452
    Abstract: Described are block copolymers which have been prepared by controlled free radical polymerization. Also described is the use of said block copolymers as soil release agents in laundry processes and a process to produce said block copolymers. Further described is a method for easier releasing soil from textiles in laundry processes and a detergent containing said block copolymers.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: October 17, 2017
    Assignees: BASF SE, Henkel AG & Co. KGAA
    Inventors: Huiguang Kou, Frank Pirrung, Roland Ettl, Bernhard Ulrich von Vacano, Dario Perera-Diez, Paula Barreleiro, Christa Junkes, Johannes Zipfel, Brigitte Giesen, Cornelius Bessler, Martina Hutmacher
  • Patent number: 9701785
    Abstract: A polymer comprises at least one functional group of the formula (I) bound to one of the termini and/or to the backbone of the polymer, or a salt thereof. # indicates the point of attachment to the terminus and/or to the polymer backbone; A is a chemical bond or a divalent moiety selected from the group consisting of C1-C6 alkylene, —O—(C2-C6 alkylene), —C(?O)—O—(C2-C6 alkylene), —NR3—(C2-C6 alkylene) and C(?O)—NR3—(C2-C6 alkylene), where the C2-C6 alkylene part is attached to Q; Q is a divalent moiety selected from the group consisting of —O—, —NH— and —S—; and X is a divalent moiety selected from the group consisting of linear C1-C10 alkylene, linear C2-C6 alkenylene, C4-C7 cycloalkylene, arylene and alkarylene, wherein the linear C1-C10 alkylene, the linear C2-C6 alkenylene, the C4-C7 cycloalkylene, the arylene and the alkarylene may be substituted.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: July 11, 2017
    Assignee: BASF SE
    Inventors: Huiguang Kou, Clemens Auschra, Frank Pirrung, Dario Perera-Diez
  • Patent number: 9670350
    Abstract: The present invention relates to novel polymer dispersants in the form of comb polymers P and to a liquid composition containing solid fine particles, such as organic or inorganic pigments and fillers, and the polymer dispersants. The comb polymer P having at least 0.5 mol-%, e.g. 0.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: June 6, 2017
    Assignee: BASF SE
    Inventors: Huiguang Kou, Clemens Auschra, Frank Pirrung, Matthias Maier, Dario Perera-Diez
  • Patent number: 9371504
    Abstract: The present invention relates to acrylate copolymers as soil antiredeposition agents and soil release agents in laundry processes. Further aspects of the invention are a method for preventing soil redeposition and for easier releasing soil from textiles in laundry processes and detergent formulations containing said acrylate copolymers.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: June 21, 2016
    Assignees: BASF SE, HENKEL AG & Co. KGaA
    Inventors: Menno Hazenkamp, Frank Oliver Heinrich Pirrung, Dario Perera, Paula Barreleiro, Christa Junkes, Wolfgang von Rybinski
  • Publication number: 20160145381
    Abstract: The present invention relates to novel polymers P and to their salts, to a process for their manufacturing, to the use of said polymers as dispersants for fine particulate solid material. The present invention further relates to liquid compositions containing solid fine particles, such as organic or inorganic pigments and fillers, and the novel polymers P and their salts as dispersants. The polymers P have at least one functional group of the formula (I) bound to one of the termini and/or to the backbone of the polymer: formula (I) where # indicates the point of attachment to the terminus and/or to the polymer backbone and the variables k, m, A, Q, R1, R2, X and Y are as defined in claim 1.
    Type: Application
    Filed: July 21, 2014
    Publication date: May 26, 2016
    Applicant: BASF SE
    Inventors: Huiguang KOU, Clemens AUSCHRA, Frank PIRRUNG, Dario PERERA-DIEZ
  • Publication number: 20160102198
    Abstract: The present invention relates to novel polymer dispersants in the form of comb polymers P and to a liquid composition containing solid fine particles, such as organic or inorganic pigments and fillers, and the polymer dispersants. The comb polymer P having at least 0.5 mol-%, e.g. 0.
    Type: Application
    Filed: June 6, 2014
    Publication date: April 14, 2016
    Applicant: BASF SE
    Inventors: Huiguang KOU, Clemens AUSCHRA, Frank PIRRUNG, Matthias MAIER, Dario PERERA-DIEZ
  • Publication number: 20160032224
    Abstract: Described are block copolymers which have been prepared by controlled free radical polymerization. Also described is the use of said block copolymers as soil release agents in laundry processes and a process to produce said block copolymers. Further described is a method for easier releasing soil from textiles in laundry processes and a detergent containing said block copolymers.
    Type: Application
    Filed: March 17, 2014
    Publication date: February 4, 2016
    Applicants: Basf SE, Henkel AG & Co. KGAA
    Inventors: Huiguang Kou, Frank Pirrung, Roland Ettl, Bernhard Ulrich von Vacano, Dario Perera-Diez, Paula Barreleiro, Christa Junkes, Johannes Zipfel, Brigitte Giesen, Cornelius Bessler, Martina Hutmacher
  • Publication number: 20150247076
    Abstract: A description is given of a polymer comprising a polyurethane backbone which is endcapped with reactive (meth)acrylic terminating groups, wherein the polyurethane backbone contains polymerized residues of at least one poly(meth)acrylate polyol. The polymer can be used as an adhesive, especially as a pressure-sensitive adhesive or for producing adhesive compositions. The polymer and the compositions can be cured thermally or by radiation.
    Type: Application
    Filed: September 9, 2013
    Publication date: September 3, 2015
    Applicant: BASF SE
    Inventors: Huiguang Kou, Dirk Wulff, Clemens Auschra, Dario Perera-Diez
  • Publication number: 20140298591
    Abstract: The present invention relates to the use of comb or block copolymers which have been prepared by controlled free radical polymerization as soil antiredeposition agents and soil release agents in laundry processes. Further aspects of the invention are a method for preventing soil redeposition and for easier releasing soil from textiles in laundry processes and detergent formulations containing said comb or block copolymers.
    Type: Application
    Filed: October 24, 2012
    Publication date: October 9, 2014
    Inventors: Menno Hazenkamp, Frank Oliver Heinrich Pirrung, Dario Perera, Paula Barreleiro, Christa Junkes, Wolfgang von Rybinski
  • Publication number: 20140287974
    Abstract: The present invention relates to acrylate copolymers as soil antiredeposition agents and soil release agents in laundry processes. Further aspects of the invention are a method for preventing soil redeposition and for easier releasing soil from textiles in laundry processes and detergent formulations containing said acrylate copolymers.
    Type: Application
    Filed: October 24, 2012
    Publication date: September 25, 2014
    Applicants: BASF SE, Henkel AG & Co. KGAA
    Inventors: Menno Hazenkamp, Frank Oliver Heinrich Pirrung, Dario Perera, Paula Barreleiro, Christa Junkes, Wolfgang von Rybinski
  • Patent number: 8674006
    Abstract: Described is a pigment dispersion which is useful for electrophoretic displays comprising ?) a bis-oxodihydro-indolylene-benzodifuranone colorant of the Formula (I) wherein the substituents are defined as in claim 1, ?) a specific polymeric dispersant, and ?) a solvent which is suitable for dispersions used in electrophoretic displays. Also described are novel colourants and dispersants.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: March 18, 2014
    Assignee: BASF SE Ludwigshafen
    Inventors: Margherita Fontana, Marian Lanz, Frank Oliver Heinrich Pirrung, Andreas Gernandt, Dario Perera, Thomas Ruch, Christoph Krebs, Thomas Eichenberger, Achim Lamatsch
  • Publication number: 20120172498
    Abstract: Described is a pigment dispersion which is useful for electrophoretic displays comprising ?) a bis-oxodihydro-indolylene-benzodifuranone colorant of the Formula (I) wherein the substituents are defined as in claim 1, ? a specific polymeric dispersant, and ?) a solvent which is suitable for dispersions used in electrophoretic displays. Also described are novel colourants and dispersants.
    Type: Application
    Filed: January 7, 2010
    Publication date: July 5, 2012
    Applicant: BASF SE
    Inventors: Margherita Fontana, Marian Lanz, Frank Oliver Heinrich Pirrung, Andreas Gernandt, Dario Perera, Thomas Ruch, Christoph Krebs, Thomas Eichenberger, Bernd Lamatsch, Achim Lamatsch (Heir)