Patents by Inventor Zhenwen Fu

Zhenwen Fu 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: 20150322281
    Abstract: Provided is a binder composition and its use in aqueous based paints and coatings and other applications. The binder composition comprises: (a) a copolymer formed from one or more esters or amides of acrylic acid or methacrylic acid, or their mixtures, together with a monomer unit of formula I, wherein R, R1 R2, R3, R4, and X are as defined above; and (b) water, wherein the binder composition is an aqueous emulsion.
    Type: Application
    Filed: November 13, 2013
    Publication date: November 12, 2015
    Inventors: Patrick E. BRUTTO, George D. GREEN, Zhenwen FU, Eric C. GREYSON, Andrew HEJL, Jia TANG
  • Publication number: 20150307742
    Abstract: Provided is a binder composition and its use in aqueous based paints and coatings and other applications. The binder composition comprises: a polyurethane dispersion containing water and a polyurethane polymer, wherein the polyurethane polymer is prepared by reacting a nitroalcohol compound, a polyol compound, a polyisocyanate compound, and optionally chain extenders, wherein the nitroalcohol compound is of formula I, wherein R, R1, and Z are as defined herein.
    Type: Application
    Filed: November 13, 2013
    Publication date: October 29, 2015
    Inventors: Patrick E. BRUTTO, George D. Green, Zhenwen FU, Eric C. Greyson, Andrew Hejl, Jia Tang
  • Publication number: 20150299479
    Abstract: The present invention relates to a composition comprising a stable aqueous dispersion of polyurethane particles and pigment particles partially or fully encapsulated with a soft polymer. The composition of the present invention delivers relatively high gloss as well as gloss stability in coatings formulations.
    Type: Application
    Filed: February 15, 2013
    Publication date: October 22, 2015
    Inventors: Zhenwen Fu, Andrew Swartz, Wenqin Wang
  • 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: 9006331
    Abstract: The present invention relates to a process for imbibing a step-growth polymer into thermoplastic latex particles and a composition made by such a process. The composition is useful, for example, as a coating, an adhesive, a sealant, a primer, a caulk, a stain, or a filler for a variety of substrates.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: April 14, 2015
    Assignee: Rohm and Haas Company
    Inventors: Gary William Dombrowski, Zhenwen Fu, Caroline Slone, Andrew Swartz
  • Publication number: 20140170327
    Abstract: The present invention provides two-component polyurethane compositions that are substantially free of VOCs and comprising, as one component, polyisocyanate compositions and, as a second component, a polyol which is chosen from a cycloaliphatic diol or polyol having a molecular weight of from 100 to 500 and containing one or more 4 to 7 member aliphatic ring and an oligomeric diol or polyol comprising the condensation reaction product of from 30 wt. % to 78 wt. %, based on the total weight of reactants used to make the oligomer, and an acrylic or vinyl emulsion polymer.
    Type: Application
    Filed: December 16, 2013
    Publication date: June 19, 2014
    Applicant: ROHM AND HAAS COMPANY
    Inventors: Gary W. Dombrowski, Zhenwen Fu, Caroline Slone, Andrew Swartz, Jia Tang
  • Patent number: 8658742
    Abstract: The present invention relates to a stable aqueous dispersion of thermoplastic polymer particles imbibed with a thermosettable compound. The polymer particles are characterized by having a sufficient concentration of anti-agglomerating functional groups to stabilize the latex against agglomeration. The dispersion is useful as one part of a two-pack formulation.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: February 25, 2014
    Assignee: Rohm and Haas Company
    Inventors: Gary William Dombrowski, Zhenwen Fu, Caroline Slone, Andrew 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
  • Publication number: 20120301621
    Abstract: The present invention relates to a stable aqueous dispersion of thermoplastic polymer particles imbibed with a thermosettable compound. The polymer particles are characterized by having a sufficient concentration of anti-agglomerating functional groups to stabilize the latex against agglomeration. The dispersion is useful as one part of a two-pack formulation.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 29, 2012
    Inventors: Gary William Dombrowski, Zhenwen Fu, Caroline Slone, Andrew Swartz
  • Publication number: 20120295023
    Abstract: The present invention relates to a process for imbibing a step-growth polymer into thermoplastic latex particles and a composition made by such a process. The composition is useful, for example, as a coating, an adhesive, a sealant, a primer, a caulk, a stain, or a filler for a variety of substrates.
    Type: Application
    Filed: May 2, 2012
    Publication date: November 22, 2012
    Inventors: Gary William Dombrowski, Zhenwen Fu, Caroline Slone, Andrew Swartz
  • 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
  • Patent number: 7638561
    Abstract: An aqueous inkjet ink composition suitable for printing on a hydrophobic surface such as a vinyl surface including an aqueous vehicle, a self-dispersed pigment, a silicone-containing surfactant and an aqueous emulsion polymer having a glass transition temperature (Tg) of from ?40° C. to 150° C. Also provided is a method for printing an image on a hydrophobic substrate.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: December 29, 2009
    Assignee: Rohm and Haas Company
    Inventors: Zhenwen Fu, Hailan Guo, Michael Hallden-Abberton, Himal H. Ray
  • 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
  • Patent number: 7074842
    Abstract: An inkjet ink binder composition including an emulsion polymer, the polymer including as polymerized units 1–10%, by weight based on dry polymer weight, of a monomer selected from the group consisting of methylol acrylamide, methylol methacrylamide, methyl acrylamidoglycolate methyl ether, acrylamidoglycolic acid, and mixtures thereof is provided. An inkjet ink composition including the emulsion polymer, a liquid medium, and a pigment and a method for improving the durability of inkjet ink printed on a substrate are also provided.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: July 11, 2006
    Assignee: Rohm and Haas Company
    Inventors: Chao-Jen Chung, Maureen Joanne Finley, Zhenwen Fu
  • Patent number: 6986808
    Abstract: Ink compositions having increased stability and increased jettability with the addition of specific surfactants, including alkyl ether sulfates and ethoxylated mercaptans, are provided. The remainder of the ink composition comprises a suitable carrier vehicle, which typically contains water, alcohols, surfactants, humectants and optionally a resin component.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: January 17, 2006
    Assignee: Rohm and Haas Company
    Inventors: Zhenwen Fu, Louis Christopher Graziano
  • Publication number: 20050282930
    Abstract: An aqueous inkjet ink composition suitable for printing on a hydrophobic surface such as a vinyl surface including an aqueous vehicle, a self-dispersed pigment, a silicone-containing surfactant and an aqueous emulsion polymer having a glass transition temperature (Tg) of from ?40° C. to 150° C. Also provided is a method for printing an image on a hydrophobic substrate.
    Type: Application
    Filed: June 8, 2005
    Publication date: December 22, 2005
    Inventors: Zhenwen Fu, Hailan Guo, Michael Hallden-Abberton, Himal Ray
  • Patent number: 6930135
    Abstract: A non-pigmented ink composition suitable for use in ink jet printing is provided made up of a blend of two or more hollow micro-spheres comprising a small particle size hollow micro-sphere and a larger particle size hollow micro-sphere. The remainder of the ink composition comprises a suitable carrier vehicle, which typically contains water, alcohols, surfactants, humectants and optionally a resin component.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: August 16, 2005
    Assignee: Rohm and Haas Company
    Inventors: Chao-Jen Chung, Maureen Joanne Finley, Zhenwen Fu, William David Sheasley
  • Patent number: 6863775
    Abstract: A paper having an improved print quality comprises a paper substrate having a surface with a surface roughness of less than 6 microns and a surface gloss of 5-80% which surface has been coated with a light-weight, low solids content, top coat. The top coat may comprise (i) a rheology modifier/binder component and at least one pigment or (ii) at least one binder coated pigment. The top coat provides a significant improvement to the delta gloss of the so-treated paper.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: March 8, 2005
    Assignee: Rohm and Haas Company
    Inventors: Barrett Richard Bobsein, James Tinney Brown, Zhenwen Fu, Janet Drobits Windisch
  • Publication number: 20040118321
    Abstract: Ink compositions having increased stability and increased jettability with the addition of specific surfactants, including alkyl ether sulfates and ethoxylated mercaptans, are provided. The remainder of the ink composition comprises a suitable carrier vehicle, which typically contains water, alcohols, surfactants, humectants and optionally a resin component.
    Type: Application
    Filed: December 9, 2003
    Publication date: June 24, 2004
    Inventors: Zhenwen Fu, Louis Christopher Graziano
  • Publication number: 20040063809
    Abstract: An inkjet ink binder including polymeric nanoparticles (“PNPs”) having a mean diameter in the range of 1 to 50 nanometers, wherein the PNPs include as polymerized units 1-20%, by weight based on dry polymer weight, of a curable composition. The reaction of the curable composition can be initiated thermally, chemically or via actinic radiation. An inkjet ink composition comprising a liquid medium, a colorant and the inkjet binder and a method for improving the durability of inkjet ink printed on a substrate are also provided.
    Type: Application
    Filed: June 13, 2003
    Publication date: April 1, 2004
    Inventors: Zhenwen Fu, Louis Christopher Graziano, Michael Paul Hallden-Abberton, George Max Lein, Wayne Devonport, Eric Gustave Lundquist