Patents by Inventor Hailan Guo

Hailan Guo 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: 9029476
    Abstract: A composition comprising: a blended product of: a matrix polymer; and from 0.05 to 2.5 wt % diffuser polymeric particles, wherein the diffuser polymeric particles are characterized by an average diameter from 2.0 to 8 micrometers, a particle size distribution such that at least 90 wt % of the polymer particles fall within ±30% of the volume average particle size, a refractive index, RI, from 1.50 to 1.55; a crosslinking level great than 4%; and wherein the diffuser polymeric particles are produced using at least one alkyl(meth)acrylate monomer copolymerized with from 5 wt % to 25 wt % crosslinking monomer selected from the group consisting of aliphatic crosslinking monomers, aromatic crosslinking monomers, and combinations thereof, and optionally, one or more comonomers selected from the group consisting of aryl(meth)acrylate monomers and monovinyl arenes is provided.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: May 12, 2015
    Assignee: Rohm and Haas Company
    Inventors: Hailan Guo, Eric G. Lundquist, Luu Le
  • Publication number: 20140205825
    Abstract: A multi-stage polymer composition comprising a crosslinked core component, one or more intermediate layer components and an outermost layer component in which the refractive index of each of the crosslinked core, the one or more intermediate layers and the outermost layer are within 2% of the refractive index of each adjacent component; wherein the crosslinked core component comprises from 75 to 99.9 weight percent of units derived from at least one first monomer selected from the group consisting of alkyl, aryl, and cycloalkyl (meth)acrylate monomer, optionally from 1 to 20 weight percent of units derived from a second monomer selected from the group consisting vinyl monomers; and from 0.1 to 5 weight percent of units derived from cross-linking monomers, graft-linking monomers, or combination thereof, and has a Tg of from ?75 to ?35° C.; wherein each of the one or more intermediate layer components comprises from 71 to 99.
    Type: Application
    Filed: August 14, 2012
    Publication date: July 24, 2014
    Inventors: Hailan Guo, Veera D. Nelliappan, Eric G. Lundquist
  • Patent number: 8609773
    Abstract: In one aspect of the present invention, there is provided a polymeric film comprising one or more polyolefins and one or more acrylic polymers, wherein the weight ratio of said acrylic polymers to said polyolefins is from 0.02:1 to 5:1, wherein each said polyolefin comprises polymerized units of one or more functional monomers, wherein the amount of said polyolefins in said polymeric film is more than 30% by weight, based on the weight of said polymeric film, and wherein said acrylic polymers comprise polymerized units of one or more hydrogen-bondable monomers.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: December 17, 2013
    Assignee: Rohm and Haas Company
    Inventors: Hailan Guo, Jian-Yang Cho
  • Publication number: 20130041107
    Abstract: A method for producing a photovoltaic module by contacting at least one layer of liquid encapsulant and a plurality of solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having a terminal hydroxy group, an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is an aliphatic polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the aliphatic polyisocyanate is from 0.5:1 to 1:0.5.
    Type: Application
    Filed: October 18, 2012
    Publication date: February 14, 2013
    Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
  • Patent number: 8313973
    Abstract: A method for producing a photovoltaic module by contacting at least one layer of liquid encapsulant and a plurality of solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having a terminal hydroxy group, an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is an aliphatic polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the aliphatic polyisocyanate is from 0.5:1 to 1:0.5.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: November 20, 2012
    Assignee: Rohm and Haas Company
    Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
  • Patent number: 8278548
    Abstract: An acrylic film including from 70% to 99%, by weight based on the weight of the film, of a certain multi-stage acrylic polymer and from 1% to 20%, by weight based on the weight of the film, pigment is provided. Also provided is a method for forming the acrylic film, a backsheet for a photovoltaic array that includes the acrylic film and a polyester layer, and a method for forming the backsheet.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: October 2, 2012
    Assignee: Rohm and Haas Company
    Inventors: Hailan Guo, Matthieu Olivier Sonnati, Robert Lee Post, David Elmer Vietti
  • Patent number: 8273452
    Abstract: A melt processed film comprising a polymer having several acrylic components.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: September 25, 2012
    Assignee: Rohm and Haas Company
    Inventors: Hailan Guo, Jiun-Chen Wu
  • Patent number: 8211734
    Abstract: A method for producing a photovoltaic module by forming solar cells on a glass plate and contacting at least one layer of liquid encapsulant with the solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is a polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the polyisocyanate is from 0.5:1 to 1:0.5.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: July 3, 2012
    Assignee: Rohm and Haas Company
    Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
  • Patent number: 8122638
    Abstract: This invention relates to multilayer films and structures such as greenhouses and agricultural tunnels covered in such films.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: February 28, 2012
    Assignee: Rohm and Haas Company
    Inventors: Sebastien G. Chevalier, Hailan Guo, Jiun-Chen Wu
  • Publication number: 20120022218
    Abstract: In one aspect of the present invention, there is provided a polymeric film comprising one or more polyolefin and one or more acrylic polymer, wherein the weight ratio of said acrylic polymer to said polyolefin is from 0.02:1 to 5:1, wherein said polyolefin comprises polymerized units of one or more functional monomer, wherein the amount of said polyolefin in said polymeric film is more than 30% by weight, based on the weight of said polymeric film, and wherein said acrylic polymer comprises polymerized units of one or more hydrogen-bondable monomer.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 26, 2012
    Inventors: Hailan Guo, Jian-Yang Cho
  • Publication number: 20110171771
    Abstract: A method for producing a photovoltaic module by forming solar cells on a glass plate and contacting at least one layer of liquid encapsulant with the solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is a polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the polyisocyanate is from 0.5:1 to 1:0.5.
    Type: Application
    Filed: January 11, 2011
    Publication date: July 14, 2011
    Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
  • Publication number: 20110171772
    Abstract: A method for producing a photovoltaic module by contacting at least one layer of liquid encapsulant and a plurality of solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having a terminal hydroxy group, an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is an aliphatic polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the aliphatic polyisocyanate is from 0.5:1 to 1:0.5.
    Type: Application
    Filed: January 11, 2011
    Publication date: July 14, 2011
    Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
  • Patent number: 7932222
    Abstract: This invention provides a triggered response composition in the form of a barrier material and a delivery device that includes one or more polyelectrolytes in contact with an aqueous system that is stable and insoluble in an aqueous system and that exhibits one or more chemical/physical responses in the aqueous system, wherein the chemical/physical response of the composition is triggered upon one or more changes in ionic strength of the aqueous system.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: April 26, 2011
    Assignee: Rohm and Haas Company
    Inventors: Hailan Guo, Ching-Jen Chang
  • Publication number: 20100175737
    Abstract: An acrylic film including from 70% to 99%, by weight based on the weight of the film, of a certain multi-stage acrylic polymer and from 1% to 20%, by weight based on the weight of the film, pigment is provided. Also provided is a method for forming the acrylic film, a backsheet for a photovoltaic array that includes the acrylic film and a polyester layer, and a method for forming the backsheet.
    Type: Application
    Filed: December 23, 2009
    Publication date: July 15, 2010
    Inventors: Hailan Guo, Matthieu Olivier Sonnati, Robert Lee Post, David Elmer Vietti
  • 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: 20090165371
    Abstract: This invention relates to multilayer films and structures such as greenhouses and agricultural tunnels covered in such films.
    Type: Application
    Filed: December 9, 2008
    Publication date: July 2, 2009
    Inventors: Sebastien G. Chevalier, Hailan Guo, Jiun-Chen Wu
  • Publication number: 20090017287
    Abstract: A melt processed film comprising a polymer having several acrylic components.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 15, 2009
    Inventors: Hailan Guo, Jiun-Chen Wu
  • Patent number: 7312259
    Abstract: The present invention relates to a process for preparing dry polymer granules having increased minimum ignition energy, lowered to unchanged maximum explosion pressure, lowered explosion strength (Kst) coupled with reduced dusting levels by drying a mixture including one or more emulsion polymers and one or more surfactants having HLB values between 10 and 25.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: December 25, 2007
    Assignee: Rohm and Haas Company
    Inventors: Joseph Robert Adamo, Ching-Jen Chang, Hailan Guo, Charles Elwood Jones, Stephane Pierre Jean Ugazio
  • Publication number: 20070066711
    Abstract: A polymeric binder useful in making inkjet ink formulations, especially for printing on substrates difficult to adhere to, is described. The polymeric binder includes high molecular weight and low molecular weight components. Also described is the method of making such binder and inks, as well as the images produced.
    Type: Application
    Filed: August 2, 2006
    Publication date: March 22, 2007
    Inventors: David Fasano, Hailan Guo, Willie Lau
  • 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