Patents by Inventor Andrew J. Swartz

Andrew J. Swartz 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).

  • Publication number: 20230312969
    Abstract: The present invention is a composition comprising an aqueous dispersion of polymer particles, polymeric organic crosslinked microspheres, and colloidal silica particles. The composition is useful in coating compositions for exterior applications to achieve a balance of excellent dirt pickup resistance and durability performance under accelerated testing conditions.
    Type: Application
    Filed: July 31, 2020
    Publication date: October 5, 2023
    Applicant: The Dow Chemical Company
    Inventors: Caifeng Wang, Jianming Xu, Kok Chiew Poh, Yuehan Hu, Tao Wang, Juan F. Callejas, Philip R. Harsh, James C. Bohling, Andrew J. Swartz, Partha S. Majumdar, Joseph Tanzer
  • Patent number: 11746236
    Abstract: A composition contains the following components: (a) 15 to 49.8 volume-percent of a first polysiloxane that is has a viscosity in a range of 50 centiStokes to 550 Stokes as determined according to ASTM D4283-98; (b) 0.2 to 5 volume-percent of an organoclay; (c) 50-74 volume-percent roundish or crushed thermally conductive fillers including: (i) 5 to 15 volume-percent small thermally conductive fillers having a median particle size in a range of 0.1 to 1.0 micrometers; (ii) 10 to 25 volume-percent medium thermally conductive fillers having a median particle size in a range of 1.1 to 5.0 micrometers; (iii) 25 to 50 volume-percent large thermally conductive fillers having a median particle size in a range of 5.1 to 50 micrometers; and (d) 0 to 5 volume-percent of an alkoxy functional linear polysiloxane different from the first polysiloxane and/or an alkoxy functional linear silane; where volume-percent values are relative to composition volume.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: September 5, 2023
    Assignees: DOW GLOBAL TECHNOLOGIES LLC, DOW SILICONES CORPORATION, ROHM AND HAAS COMPANY
    Inventors: Erica A. Frankel, Andrés E. Becerra, Andrew J. Swartz, Darren Hansen
  • Publication number: 20230167309
    Abstract: The present invention relates to a waterborne composition comprising an aqueous dispersion of first and second multistage polymer particles, wherein each of the first and second polymer particles comprises a water-occluded core and a high Tg polymeric shell wherein the second multistage polymer particles further comprise a polymeric binder layer superposing the shell. The composition of the present invention is useful for reducing the load of TiO2 in paint formulations, while producing coatings with excellent hiding and scrub resistance.
    Type: Application
    Filed: April 16, 2021
    Publication date: June 1, 2023
    Inventors: Qing Zhang, Andrew J. Swartz, Michael W. Leonard
  • Publication number: 20230032719
    Abstract: A composition contains the following components: (a) 15 to 49.8 volume-percent of a first polysiloxane that is has a viscosity in a range of 50 centiStokes to 550 Stokes as determined according to ASTM D4283-98; (b) 0.2 to 5 volume-percent of an organoclay; (c) 50-74 volume-percent roundish or crushed thermally conductive fillers including: (i) 5 to 15 volume-percent small thermally conductive fillers having a median particle size in a range of 0.1 to 1.0 micrometers; (ii) 10 to 25 volume-percent medium thermally conductive fillers having a median particle size in a range of 1.1 to 5.0 micrometers; (iii) 25 to 50 volume-percent large thermally conductive fillers having a median particle size in a range of 5.1 to 50 micrometers; and (d) 0 to 5 volume-percent of an alkoxy functional linear polysiloxane different from the first polysiloxane and/or an alkoxy functional linear silane; where volume-percent values are relative to composition volume.
    Type: Application
    Filed: February 11, 2021
    Publication date: February 2, 2023
    Inventors: Erica A. Frankel, Andrés E. Becerra, Andrew J. Swartz, Darren Hansen
  • Publication number: 20210355340
    Abstract: The present invention relates to a composition comprising an aqueous dispersion of polymer particles; b) anion exchange resin particles; and c) an aminosilane. The composition achieves a more desirable balance of stain blocking and stain removal properties in pigmented coating formulations over compositions that contain the latex and the aminosilane but no anion exchange resin, or the latex and the ion exchange resin but no aminosilane.
    Type: Application
    Filed: October 8, 2019
    Publication date: November 18, 2021
    Inventors: Azize Ala, Gary W. Dombrowski, Patrick E. Hartnett, Ozzie Moore Pressley, Andrew J. Swartz, Qing Zhang
  • Patent number: 9012561
    Abstract: The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more acrylic emulsion copolymer, pA, having a Tg of 20° C. or higher, and one or more acrylic emulsion copolymer, pB, having a Tg at least 15° C. lower than that of pA, together with one or more additive chosen from a coalescent having a normal boiling point no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The compositions may be ambient curable.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: April 21, 2015
    Assignee: Rohm and Haas Company
    Inventors: Zhenwen Fu, Andrew Hejl, Aurelia C. Sheppard, Andrew J. Swartz
  • Patent number: 8653180
    Abstract: The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more copolymer, pA, having a Tg of 20° C. or higher, and one or more polyurethane copolymer in aqueous dispersion, pB, together with one or more additive chosen from a coalescent having a normal boiling point of from 150° C. to no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The polyurethane copolymer comprises at least 40 wt. %, based on the weight of polyurethane solids, of: (i) a first polyol having a molecular weight of at least 850, wherein the first polyol is a polyether polyol, or (ii) a second polyol chosen from a polyester, a polycaprolactam, a polycarbonate and a combination thereof, wherein the second polyol has a molecular weight of at least 1,500, or (iii) a combination of one or more first polyol and one or more second polyol. The compositions may be ambient curable.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: February 18, 2014
    Assignee: Rohm and Haas Company
    Inventors: Zhenwen Fu, Andrew Hejl, Aurelia C. Sheppard, Andrew J. Swartz
  • Patent number: 7893149
    Abstract: A liquid applied sound dampening composition with a binder having from 0.03% to 3% phosphorus present as copolymerized pendant phosphorus acid groups.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 22, 2011
    Assignee: Rohm and Haas Company
    Inventors: Ann R. Hermes, Andrew J. Swartz, Drew E. Williams
  • Patent number: 7893151
    Abstract: A liquid applied sound damping composition with a binder having from 0.05 wt. % to 20 wt. %, based on the total weight of polymer solids, of carboxy acid monomers, present as copolymerized monomers in pendant polyacid sidechain groups.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: February 22, 2011
    Assignee: Rohm and Haas Company
    Inventors: Melissa Merlau Johnson, Andrew J. Swartz, Drew E. Williams
  • Publication number: 20100144937
    Abstract: The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more acrylic emulsion copolymer, pA, having a Tg of 20° C. or higher, and one or more acrylic emulsion copolymer, pB, having a Tg at least 15° C. lower than that of pA, together with one or more additive chosen from a coalescent having a normal boiling point no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The compositions may be ambient curable.
    Type: Application
    Filed: February 3, 2010
    Publication date: June 10, 2010
    Inventors: Zhenwen Fu, Andrew Hejl, Aurelia C. Sheppard, Andrew J. Swartz
  • Publication number: 20090318596
    Abstract: The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more copolymer, pA, having a Tg of 20° C. or higher, and one or more polyurethane copolymer in aqueous dispersion, pB, together with one or more additive chosen from a coalescent having a normal boiling point of from 150° C. to no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The polyurethane copolymer comprises at least 40 wt. %, based on the weight of polyurethane solids, of: (i) a first polyol having a molecular weight of at least 850, wherein the first polyol is a polyether polyol, or (ii) a second polyol chosen from a polyester, a polycaprolactam, a polycarbonate and a combination thereof, wherein the second polyol has a molecular weight of at least 1,500, or (iii) a combination of one or more first polyol and one or more second polyol. The compositions may be ambient curable.
    Type: Application
    Filed: June 5, 2009
    Publication date: December 24, 2009
    Inventors: Zhenwen Fu, Andrew Hejl, Aurelia C. Sheppard, Andrew J. Swartz
  • Publication number: 20090121174
    Abstract: A liquid applied sound damping composition with a binder having from 0.05 wt. % to 20 wt. %, based on the total weight of polymer solids, of carboxy acid monomers, present as copolymerized monomers in pendant polyacid sidechain groups.
    Type: Application
    Filed: June 20, 2008
    Publication date: May 14, 2009
    Inventors: Melissa Merlau Johnson, Andrew J. Swartz, Drew E. Williams
  • Publication number: 20080153969
    Abstract: A liquid applied sound dampening composition with a binder having from 0.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 26, 2008
    Inventors: Ann R. Hermes, Andrew J. Swartz, Drew E. Williams
  • Patent number: 5250599
    Abstract: An aqueous aerosol coating composition comprising a blend of neutralized acrylic dispersible polymer having a relatively high Tg, high acid number and low molecular weight, with a drying oil-modified, low molecular weight copolymer in a water-based carrier and propellant system which comprises dimethyl ether, water and a water-soluble organic solvent. Compositions containing the blend of this invention produce polymer coatings that possess improved drying time without adversely effecting other physical properties.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: October 5, 1993
    Assignee: Rohm and Haas Company
    Inventor: Andrew J. Swartz