Patents by Inventor Joseph M. Rokowski

Joseph M. Rokowski 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: 20160369122
    Abstract: The present invention provides aqueous compositions for use as elastomeric roof coatings having excellent tint retention which comprise (i) one or more gradient emulsion copolymers having a weight average particle size of from 20 to 550 nm, (ii) a large particle size filler, preferably silica, (iii) one or more chromatic colorants other than a white colorant in the amount of from 0.2 to 15 wt. %, based on the total weight of solids in the composition, and (iv) other pigments, extenders or fillers, wherein the resulting composition has a particle volume concentration (% PVC) of from 20 to 65%. The present invention provides methods of making the one or more gradient emulsion copolymers.
    Type: Application
    Filed: February 25, 2015
    Publication date: December 22, 2016
    Inventors: Joseph M. Rokowski, Ann E. Evans
  • Patent number: 9499712
    Abstract: The present invention provides compositions for use as elastomeric roof coatings having excellent infrared (IR) reflectivity which comprise (i) one or more elastomeric copolymer having a measured glass transition temperature (measured Tg) of from ?100 to 0° C. and one or more mesoporous filler, preferably a mesoporous filler that is substantially free of organic groups or residues, the mesoporous filler chosen from mesoporous silica, mesoporous aluminosilicates and mesoporous alumina, wherein the composition has a pigment volume concentration (% PVC) of from 0.1 to 15%. Such compositions provide aqueous or solvent borne clearcoats that can go over existing, already painted or colorcoated roof or wall substrates to preserve their finish or appearance.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: November 22, 2016
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Joseph M. Rokowski, Beata A. Kilos, Scott T. Matteucci
  • Patent number: 9404259
    Abstract: The present invention provides shaped articles comprising one or more composite layer of (i) a vulcanizate encapsulated in a colored or uncolored thermoplastic polymer matrix containing one or more passivating agent, and (ii) a reflective material chosen from colored fluidizable particles of a thermoplastic reflective colorant encapsulated vulcanizate, roofing granules, thermoplastic encapsulated roofing granules, the colored thermoplastic polymer matrix, and combinations thereof. The articles can be laminates of colored or reflective layers on uncolored or other layers, or one or more colored layer having colored fluidizable particles are dispersed within the surface of the uppermost composite layer or having either the colored fluidizable particles or the granules are dispersed on the surface of the composite layer or are adhered thereto with a thermoplastic resin. Roofing shingles are provided.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: August 2, 2016
    Assignee: Rohm and Haas Company
    Inventors: Harry R. Heulings, Willie Lau, Joseph M. Rokowski
  • Publication number: 20160009938
    Abstract: The present invention provides compositions for use as elastomeric roof coatings having excellent infrared (IR) reflectivity which comprise (i) one or more elastomeric copolymer having a measured glass transition temperature (measured Tg) of from ?100 to 0° C. and one or more mesoporous filler, preferably a mesoporous filler that is substantially free of organic groups or residues, the mesoporous filler chosen from mesoporous silica, mesoporous aluminosilicates and mesoporous alumina, wherein the composition has a pigment volume concentration (% PVC) of from 0.1 to 15%. Such compositions provide aqueous or solvent borne clearcoats that can go over existing, already painted or colorcoated roof or wall substrates to preserve their finish or appearance.
    Type: Application
    Filed: June 30, 2015
    Publication date: January 14, 2016
    Inventors: Joseph M. Rokowski, Beata A. Kilos, Scott T. Matteucci
  • Patent number: 9115493
    Abstract: The present invention provides aqueous coating compositions comprising one or more emulsion copolymer made from itaconic acid, a sulfonic acid or sulfonate ester monomer and an additional acid monomer which is a carboxylic acid and having a glass transition temperature of from ?45° C. to ?10° C., and one or more pigment, opacifier, filler, extender, or mixture of any of these at a % PVC of from 20 to 55, preferably 30 to 50, wherein coatings made from the coating compositions provide improved resistance to water swelling and dirt pickup resistance. The improvements are observed regardless of whether the compositions contain or are substantially free of zinc or divalent metal ions, or salts or compounds containing them. The present invention also provides roofing substrates coated with the aqueous compositions.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: August 25, 2015
    Assignee: Rohm and Haas Company
    Inventors: Joseph M. Rokowski, Adam W. Freeman, Ann E. Evans, Stephen A. Crescimanno
  • Patent number: 8993667
    Abstract: The present invention provides elastomeric roof coatings and aqueous coating compositions of (i) an acrylic emulsion copolymer that comprises (ii) a reductant and has a high molecular weight, (iii) a combination of a hydrophilic polymeric dispersant and a pigment, extender or filler, and (iv) a multivalent transition metal ion or multivalent transition metal ion compound or salt. The composition and coating provide excellent swelling resistance and a balance of tensile and elongation in an acrylic roof coating composition.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: March 31, 2015
    Assignee: Rohm and Haas Company
    Inventors: Joseph M. Rokowski, Mark D. Westmeyer
  • Publication number: 20150045491
    Abstract: The present invention provides a process for making polyurethane/acrylic hybrid dispersions useful in high PVC coatings with excellent DPUR and water swelling performance, wherein acid monomers are used in acrylic polymerization.
    Type: Application
    Filed: March 22, 2012
    Publication date: February 12, 2015
    Inventors: Jiguang Zhang, Jitao Chen, Fujun Lu, Wei Lu, Shaoguang Feng, Joseph M. Rokowski, Tong Sun, Loganathan Ravisanker
  • Publication number: 20140275388
    Abstract: The present invention provides elastomeric roof coatings and aqueous coating compositions of (i) an acrylic emulsion copolymer that comprises (ii) a reductant and has a high molecular weight, (iii) a combination of a hydrophilic polymeric dispersant and a pigment, extender or filler, and (iv) a multivalent transition metal ion or multivalent transition metal ion compound or salt. The composition and coating provide excellent swelling resistance and a balance of tensile and elongation in an acrylic roof coating composition.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Applicant: ROHM AND HAAS COMPANY
    Inventors: Joseph M. Rokowski, Mark D. Westmeyer
  • Publication number: 20140235780
    Abstract: The present invention provides aqueous coating compositions comprising one or more emulsion copolymer made from itaconic acid, a sulfonic acid or sulfonate ester monomer and an additional acid monomer which is a carboxylic acid and having a glass transition temperature of from ?45° C. to ?10° C., and one or more pigment, opacifier, filler, extender, or mixture of any of these at a % PVC of from 20 to 55, preferably 30 to 50, wherein coatings made from the coating compositions provide improved resistance to water swelling and dirt pickup resistance. The improvements are observed regardless of whether the compositions contain or are substantially free of zinc or divalent metal ions, or salts or compounds containing them. The present invention also provides roofing substrates coated with the aqueous compositions.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 21, 2014
    Inventors: Joseph M. Rokowski, Adam W. Freeman, Ann E. Evans, Stephen A. Crescimanno
  • Patent number: 8435639
    Abstract: The present invention provides elastomeric roof coatings made from emulsion copolymers having a glass transition temperature (Tg) of from ?25° C. to 20° C., a weight average molecular weight of from 50,000 to 150,000, a weight average particle size of from 100 to 500 nm, and copolymerized a monomer mixture of 20 wt. % or more, preferably 25 wt. % or more, of one or more hydrophobic monomer chosen from C6 to C24 alkyl (meth)acrylates and 0.2 to 5 wt. % of one or more ethylenically unsaturated acid functional monomer and containing aminosilanes which give excellent wet adhesion to weathered substrates, especially weathered thermoplastic polyolefin (TPO).
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: May 7, 2013
    Assignee: Rohm and Haas Company
    Inventors: Joseph M. Rokowski, Jonathan M. Wegner
  • Patent number: 8304460
    Abstract: The present invention provides methods of making shapeable composites in the form of finely divided materials or articles and the materials and articles produced by the methods, the methods comprising forming mixtures by (i) treating an aqueous thermoplastic acrylic or vinyl polymer to increase the particle size thereof to a weight average particle size of 1 ?m or more, and, optionally, dewatering to form a crumb mixture; and (ii) combining a thermoplastic acrylic or vinyl polymer with one or more waste rubber vulcanizate having a sieve particle size ranging from 10 to 600 ?m in the amount of from 15 to 95 wt. %, based on the total weight of polymer and rubber to form a crumb slurry, such that (ii) can take place before, during, after (i) but before any dewatering, or after any dewatering; and (iii) thermoplastic processing the mixture. Thermoplastic processing can directly form articles, like sheets or films. The shapeable composites have excellent adhesion to other materials.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: November 6, 2012
    Assignee: Rohm and Haas Company
    Inventors: Willie Lau, Donald C. Schall, Harry R. Heulings, IV, Kimberly B. Kosto, Joseph M. Rokowski
  • Patent number: 8304462
    Abstract: The present invention provides methods of making composite materials comprising combining particles of crosslinked rubber with one or more aqueous polymer dispersion of a suspension polymer to form a mixture in aqueous dispersion, and, optionally, subjecting the aqueous dispersion mixture to solid state shear pulverization to form materials that can be processed as thermoplastics at crosslinked rubber concentrations of from 10 to as high as 95 wt. %, based on the total solids of the material. The method may further comprise kneading and/or compression molding the pulverized product to form useful articles, such as roofing membranes and shoe soles.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: November 6, 2012
    Assignee: Rohm and Haas Company
    Inventors: Willie Lau, Rachel Z. Pytel, Joseph M. Rokowski
  • Patent number: 8304461
    Abstract: The present invention provides methods of making composite materials comprising combining particles of crosslinked rubber with coagulated aqueous polymer dispersions to form a mixture in aqueous dispersion, and subjecting the aqueous dispersion mixture to solid state shear pulverization to form materials that can be processed as thermoplastics at crosslinked rubber concentrations of from 10 to as high as 95 wt. %, based on the total solids of the material. The method may further comprise kneading the pulverized product to form useful articles, such as roofing membranes and shoe soles.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: November 6, 2012
    Assignee: Rohm and Haas Company
    Inventors: Carlos A. Cruz, Willie Lau, Joseph M. Rokowski, Qi Wang
  • Publication number: 20120164385
    Abstract: The present invention provides shaped articles comprising one or more composite layer of (i) a vulcanizate encapsulated in a colored or uncolored thermoplastic polymer matrix containing one or more passivating agent, and (ii) a reflective material chosen from colored fluidizable particles of a thermoplastic reflective colorant encapsulated vulcanizate, roofing granules, thermoplastic encapsulated roofing granules, the colored thermoplastic polymer matrix, and combinations thereof. The articles can be laminates of colored or reflective layers on uncolored or other layers, or one or more colored layer having colored fluidizable particles are dispersed within the surface of the uppermost composite layer or having either the colored fluidizable particles or the granules are dispersed on the surface of the composite layer or are adhered thereto with a thermoplastic resin. Roofing shingles are provided.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Inventors: Harry R. HEULINGS, Willie LAU, Joseph M. ROKOWSKI
  • Publication number: 20120121886
    Abstract: The present invention provides an infrared reflective coating composition comprising, by weight percentage based on the total dry weight of the composition, 0.1% to 50% polymeric hollow particles, from 0.1% to 70% pigment particles and from 20% to 80% at least one polymeric binder, wherein the volume average particle size of the polymeric hollow particles is from 0.3 to 1.6 ?m; and wherein the volume average particle size distribution of the polymeric hollow particles is such that 90% of particle lies within ±10% of the volume average particle size. The coating composition is suitable for exterior architectural or industrial applications especially as an elastomer roof coating.
    Type: Application
    Filed: November 14, 2011
    Publication date: May 17, 2012
    Inventors: Qian HUANG, Joseph M. ROKOWSKI, Yang ZHANG
  • Publication number: 20110159300
    Abstract: The present invention provides elastomeric roof coatings made from emulsion copolymers having a glass transition temperature (Tg) of from ?25° C. to 20° C., a weight average molecular weight of from 50,000 to 150,000, a weight average particle size of from 100 to 500 nm, and copolymerized a monomer mixture of 20 wt. % or more, preferably 25 wt. % or more, of one or more hydrophobic monomer chosen from C6 to C24 alkyl (meth)acrylates and 0.2 to 5 wt. % of one or more ethylenically unsaturated acid functional monomer and containing aminosilanes which give excellent wet adhesion to weathered substrates, especially weathered thermoplastic polyolefin (TPO).
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Inventors: Joseph M. ROKOWSKI, Jonathan M. Wegner
  • Publication number: 20100167013
    Abstract: The present invention provides thermoplastic roofing membranes comprising particles of crosslinked rubber and an aqueous (co)polymer dispersion. The thermoplastic roofing membranes are formed by combining particles of crosslinked rubber and a suspension polymer dispersion, or a coagulated aqueous latex (co)polymer dispersion, to form a mixture in aqueous dispersion, which aqueous dispersion mixture is subjected to solid state shear pulverization to form materials that can be processed as thermoplastics at crosslinked rubber concentrations of from 10 wt.% to as high as 95 wt.%, based on the total solids of the material. The method may further comprise kneading the pulverized product, followed by extrusion to form roofing membranes.
    Type: Application
    Filed: June 17, 2009
    Publication date: July 1, 2010
    Inventors: Carlos A. Cruz, Willi Lau, Joseph M. Rokowski
  • Publication number: 20100125108
    Abstract: The present invention provides methods of making composite materials comprising combining particles of crosslinked rubber with one or more aqueous polymer dispersion of a suspension polymer to form a mixture in aqueous dispersion, and, optionally, subjecting the aqueous dispersion mixture to solid state shear pulverization to form materials that can be processed as thermoplastics at crosslinked rubber concentrations of from 10 to as high as 95 wt. %, based on the total solids of the material. The method may further comprise kneading and/or compression molding the pulverized product to form useful articles, such as roofing membranes and shoe soles.
    Type: Application
    Filed: December 28, 2009
    Publication date: May 20, 2010
    Inventors: Willie Lau, Rachel Z. Pytel, Joseph M. Rokowski
  • Publication number: 20100016456
    Abstract: The present invention provides methods of making composite materials comprising combining particles of crosslinked rubber with coagulated aqueous polymer dispersions to form a mixture in aqueous dispersion, and subjecting the aqueous dispersion mixture to solid state shear pulverization to form materials that can be processed as thermoplastics at crosslinked rubber concentrations of from 10 to as high as 95 wt. %, based on the total solids of the material. The method may further comprise kneading the pulverized product to form useful articles, such as roofing membranes and shoe soles.
    Type: Application
    Filed: July 10, 2009
    Publication date: January 21, 2010
    Inventors: Carlos A. Cruz, Willie Lau, Joseph M. Rokowski, Qi Wang
  • Publication number: 20100009152
    Abstract: The present invention provides methods of making shapeable composites in the form of finely divided materials or articles and the materials and articles produced by the methods, the methods comprising forming mixtures by (i) treating an aqueous thermoplastic acrylic or vinyl polymer to increase the particle size thereof to a weight average particle size of 1 ?m or more, and, optionally, dewatering to form a crumb mixture; and (ii) combining a thermoplastic acrylic or vinyl polymer with one or more waste rubber vulcanizate having a sieve particle size ranging from 10 to 600 ?m in the amount of from 15 to 95 wt. %, based on the total weight of polymer and rubber to form a crumb slurry, such that (ii) can take place before, during, after (i) but before any dewatering, or after any dewatering; and (iii) thermoplastic processing the mixture. Thermoplastic processing can directly form articles, like sheets or films. The shapeable composites have excellent adhesion to other materials.
    Type: Application
    Filed: June 17, 2009
    Publication date: January 14, 2010
    Inventors: Willie Lau, Harry R. Heulings, IV, Kimberly B. Kosto, Joseph M. Rokowski, Donald C. Schall