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).
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Patent number: 11053334Abstract: 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: GrantFiled: October 24, 2017Date of Patent: July 6, 2021Assignee: BASF SEInventors: Huiguang Kou, Clemens Auschra, Frank Pirrung, Dario Perera-Diez
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Patent number: 10730967Abstract: 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: GrantFiled: December 15, 2015Date of Patent: August 4, 2020Assignee: BASF SEInventors: Huiguang Kou, Clemens Auschra, Dario Perera-Diez
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Publication number: 20200048388Abstract: 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: ApplicationFiled: October 24, 2017Publication date: February 13, 2020Applicant: BASF SEInventors: Huiguang KOU, Clemens AUSCHRA, Frank PIRRUNG, Dario PERERA-DIEZ
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Publication number: 20170362351Abstract: 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: ApplicationFiled: December 15, 2015Publication date: December 21, 2017Applicant: BASF SEInventors: Huiguang KOU, Clemens AUSCHRA, Dario PERERA-DIEZ
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Patent number: 9790452Abstract: 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: GrantFiled: March 17, 2014Date of Patent: October 17, 2017Assignees: BASF SE, Henkel AG & Co. KGAAInventors: 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
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Patent number: 9701785Abstract: 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: GrantFiled: July 21, 2014Date of Patent: July 11, 2017Assignee: BASF SEInventors: Huiguang Kou, Clemens Auschra, Frank Pirrung, Dario Perera-Diez
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Patent number: 9670350Abstract: 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: GrantFiled: June 6, 2014Date of Patent: June 6, 2017Assignee: BASF SEInventors: Huiguang Kou, Clemens Auschra, Frank Pirrung, Matthias Maier, Dario Perera-Diez
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Patent number: 9371504Abstract: 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: GrantFiled: October 24, 2012Date of Patent: June 21, 2016Assignees: BASF SE, HENKEL AG & Co. KGaAInventors: Menno Hazenkamp, Frank Oliver Heinrich Pirrung, Dario Perera, Paula Barreleiro, Christa Junkes, Wolfgang von Rybinski
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Publication number: 20160145381Abstract: 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: ApplicationFiled: July 21, 2014Publication date: May 26, 2016Applicant: BASF SEInventors: Huiguang KOU, Clemens AUSCHRA, Frank PIRRUNG, Dario PERERA-DIEZ
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Publication number: 20160102198Abstract: 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: ApplicationFiled: June 6, 2014Publication date: April 14, 2016Applicant: BASF SEInventors: Huiguang KOU, Clemens AUSCHRA, Frank PIRRUNG, Matthias MAIER, Dario PERERA-DIEZ
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Publication number: 20160032224Abstract: 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: ApplicationFiled: March 17, 2014Publication date: February 4, 2016Applicants: Basf SE, Henkel AG & Co. KGAAInventors: 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
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Publication number: 20150247076Abstract: 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: ApplicationFiled: September 9, 2013Publication date: September 3, 2015Applicant: BASF SEInventors: Huiguang Kou, Dirk Wulff, Clemens Auschra, Dario Perera-Diez
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Publication number: 20140298591Abstract: 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: ApplicationFiled: October 24, 2012Publication date: October 9, 2014Inventors: Menno Hazenkamp, Frank Oliver Heinrich Pirrung, Dario Perera, Paula Barreleiro, Christa Junkes, Wolfgang von Rybinski
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Publication number: 20140287974Abstract: 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: ApplicationFiled: October 24, 2012Publication date: September 25, 2014Applicants: BASF SE, Henkel AG & Co. KGAAInventors: Menno Hazenkamp, Frank Oliver Heinrich Pirrung, Dario Perera, Paula Barreleiro, Christa Junkes, Wolfgang von Rybinski
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Patent number: 8674006Abstract: 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: GrantFiled: January 7, 2010Date of Patent: March 18, 2014Assignee: BASF SE LudwigshafenInventors: Margherita Fontana, Marian Lanz, Frank Oliver Heinrich Pirrung, Andreas Gernandt, Dario Perera, Thomas Ruch, Christoph Krebs, Thomas Eichenberger, Achim Lamatsch
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Publication number: 20120172498Abstract: 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: ApplicationFiled: January 7, 2010Publication date: July 5, 2012Applicant: BASF SEInventors: Margherita Fontana, Marian Lanz, Frank Oliver Heinrich Pirrung, Andreas Gernandt, Dario Perera, Thomas Ruch, Christoph Krebs, Thomas Eichenberger, Bernd Lamatsch, Achim Lamatsch (Heir)