Patents by Inventor Fanwen Zeng

Fanwen Zeng 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: 20120027711
    Abstract: A polymer with good compatibility comprising one or more non-ionic water soluble monomers, such as poly(ethylene glycol)(meth)acrylate (PEGMA), is provided that is suitable for use in aerosol hair styling formulations which have improved clarity. There is also provided a hair styling composition comprising (a) one or more fully soluble polymer, and (b) a solvent mixture, and optional other ingredients.
    Type: Application
    Filed: July 15, 2011
    Publication date: February 2, 2012
    Inventors: Wei Gao, Linus Linder, Miao Wang, Mark Westmeyer, Fanwen Zeng
  • Publication number: 20120016055
    Abstract: There is provided a coating composition comprising (a) one or more microbicide, (b) one or more soluble polymer comprising acrylamide as polymerized units, wherein said polymer has is non-anionic, and (c) solvent, wherein said polymer is dissolved in said solvent. Also provided is a method of coating a substrate with such a coating, and also provided is the resulting coated substrate.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 19, 2012
    Inventors: Henry Huan Chen, Yonnie Dong Yun, Jennifer Reichl Collin, Lynn Carol Munz, Janet Nadya Younathan, Fanwen Zeng, Christopher John Tucker
  • Patent number: 8007834
    Abstract: There is provided a coating composition comprising (a) one or more microbicide, (b) one or more soluble polymer comprising, as polymerized units, one or more monomer with one or more pendant heterocycle, wherein said heterocycle has one or more hetero atom selected from the group consisting of N, O, S, and combinations thereof, and wherein said polymer has no anionic groups, and (c) solvent, wherein said polymer is dissolved in said solvent; wherein said composition contains no polymeric biguanide; and wherein 50% or more of said microbicide, by weight based on the total weight of microbicide, is not covalently bonded to any polymer.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: August 30, 2011
    Assignee: Rohm and Haas Company
    Inventors: Jennifer Reichl Collin, Tirthankar Ghosh, Fanwen Zeng
  • Publication number: 20100081729
    Abstract: There is provided a coating composition comprising (a) one or more microbicide, (b) one or more soluble polymer comprising, as polymerized units, one or more monomer with one or more pendant heterocycle, wherein said heterocycle has one or more hetero atom selected from the group consisting of N, O, S, and combinations thereof, and wherein said polymer has no anionic groups, and (c) solvent, wherein said polymer is dissolved in said solvent; wherein said composition contains no polymeric biguanide; and wherein 50% or more of said microbicide, by weight based on the total weight of microbicide, is not covalently bonded to any polymer.
    Type: Application
    Filed: September 3, 2009
    Publication date: April 1, 2010
    Inventors: Jennifer Reichl Collin, Tirthankar Ghosh, Fanwen Zeng
  • Patent number: 7651693
    Abstract: The present invention relates to improved hair styling compositions and methods of using such compositions. More particularly, the present invention relates to hair styling compositions with improved durability performance of the hair fixative resins, including resistance to high humidity, low tackiness, and good hold.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: January 26, 2010
    Assignee: Rohm and Haas Company
    Inventors: Melissa Lee Merlau, Alan Isamu Nakatani, Curtis Schwartz, Fanwen Zeng
  • Publication number: 20090252689
    Abstract: There is provided a hair styling composition comprising (a) one or more fully soluble polymer, (b) solvent-propellant mixture or solvent mixture, and optional other ingredients. Also provided is a method of making polymer.
    Type: Application
    Filed: March 31, 2009
    Publication date: October 8, 2009
    Inventors: Jennifer Reichl Collin, Michael Paul Hallden-Abberton, Beth Ann Falcone, Miao Wang, Fanwen Zeng
  • Publication number: 20080075685
    Abstract: There is provided a polymer composition comprising at least one acrylic polymer and at least one sulfonated polyurethane, wherein said acrylic polymer comprises 5% or more by weight, based on the dry weight of said acrylic polymer, polymerized units of at least one carboxyl functional monomer. Also provided are a method of making such a polymer composition and a method of treating hair using such a polymer composition.
    Type: Application
    Filed: August 27, 2007
    Publication date: March 27, 2008
    Inventors: Steven Michael Baxter, Curtis Schwartz, Fanwen Zeng
  • Publication number: 20070286833
    Abstract: There is provided a multistage polymer that comprises (a) at least one soft polymer having glass transition temperature of 40° C. or lower, and (b) at least one hard polymer having glass transition temperature higher than 40° C., wherein the glass transition temperature of said hard polymer is at least 10° C. higher than the glass transition temperature of said soft polymer, wherein the weight ratio of said hard polymer to said soft polymer is from 1.01:1 to 100:1, and wherein said multistage polymer, after exposure to liquid water followed by drying at temperatures below 100° C., shows maximum thermal transition temperature in an atmosphere of 0% relative humidity that differs by 20° C. or less from the maximum thermal transition temperature in an atmosphere of 75% relative humidity.
    Type: Application
    Filed: May 24, 2007
    Publication date: December 13, 2007
    Inventors: Kathleen Keller, Kimberly Kosto, Alan Nakatani, Miao Wang, Fanwen Zeng
  • Patent number: 7297673
    Abstract: An aqueous composition having a pH of at least 10, and comprising from 0.1% to 5% of at least one crosslinked copolymer comprising from 2.5% to 65% (meth)acrylic acid residues, from 10% to 80% C2-C4 alkyl (meth)acrylate residues, from 2% to 25% lipophilically modified (meth)acrylate residues and residues of a crosslinker that has no ester or amide functionality.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: November 20, 2007
    Assignee: Rohm and Haas Company
    Inventors: Jennifer Reichl Collin, Fanwen Zeng, Paul Francis David Reeve
  • Publication number: 20070179078
    Abstract: This invention provides an aqueous composition having a pH of from 4 to 10 which is smooth spreading and comprises a crosslinked copolymer comprising (meth)acrylic acid residues, alkyl(meth)acrylate residues, lipophilically modified (meth)acrylate residues, and crosslinker.
    Type: Application
    Filed: January 30, 2006
    Publication date: August 2, 2007
    Inventors: Jennifer Collin, Wai Lee, Andrea Keenan, Paul Reeve, Fanwen Zeng
  • Publication number: 20070004851
    Abstract: A polymer comprising sulfonic acid monomer residues, acrylamide residues, hydrophobic (meth)acrylate ester residues, and crosslinker residues.
    Type: Application
    Filed: June 22, 2006
    Publication date: January 4, 2007
    Inventor: Fanwen Zeng
  • Publication number: 20060182707
    Abstract: A polymer comprising: (a) from 25% to 45% carboxylic acid monomer residues; (b) from 50% to 65% C2-C4 alkyl (meth)acrylate residues; (c) from 2% to 20% of residues of at least one of: (i) an alkyl (meth)acrylate, (ii) a vinyl alkanoate, (iii) an N-vinyl alkylamide, and (iv) an N-alkyl (meth)acrylamide, wherein an alkyl group having from 6-18 carbon atoms is present; and (d) from 0.01% to 2% of residues of at least one crosslinker.
    Type: Application
    Filed: February 9, 2006
    Publication date: August 17, 2006
    Inventors: Jennifer Collin, Fanwen Zeng
  • Publication number: 20060046952
    Abstract: An aqueous composition having a pH of at least 10, and comprising from 0.1% to 5% of at least one crosslinked copolymer comprising from 2.5% to 65% (meth)acrylic acid residues, from 10% to 80% C2-C4 alkyl (meth)acrylate residues, from 2% to 25% lipophilically modified (meth)acrylate residues and residues of a crosslinker that has no ester or amide functionality.
    Type: Application
    Filed: August 25, 2005
    Publication date: March 2, 2006
    Inventors: Jennifer Collin, Fanwen Zeng, Paul Francis Reeve
  • Patent number: 6900254
    Abstract: Processes for preparing a powdery high rubber impact modifier containing two or more populations of polymer particles having a total rubbery weight fraction of greater than 90 weight percent is provided. Also provided are various methods of preparing aqueous polymer particle dispersions having two or more populations of polymer particles having a total rubbery weight fraction of greater than 90 weight percent. These dispersions are spray-driable into a powder and are useful for increasing the impact strength of various matrix resins.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: May 31, 2005
    Assignee: Rohm and Haas Company
    Inventors: Morris Christopher Wills, Karen Casey, Chuen-Shyong Chou, Joseph Robert Adamo, Fanwen Zeng
  • Patent number: 6881787
    Abstract: The present invention provides polymeric additive systems and processes for preparing polymeric additive systems which contain a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The present invention also provides polymeric compositions and processes for preparing polymeric compositions that include a polymeric component and a polymeric additive system which contains a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The disclosed compositions and processes are useful in the preparation of polymeric materials and articles produced therefrom.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: April 19, 2005
    Assignee: Rohm and Haas Company
    Inventors: Jane Elizabeth Weier, Chuen-Shyong Chou, Morris Christopher Wills, Jiun-Chen Wu, Fanwen Zeng, Eugene Patrick Dougherty
  • Publication number: 20040096474
    Abstract: The present invention relates to improved hair styling compositions and methods of using such compositions. More particularly, the present invention relates to hair styling compositions with improved durability performance of the hair fixative resins, including resistance to high humidity, low tackiness, and good hold.
    Type: Application
    Filed: November 6, 2003
    Publication date: May 20, 2004
    Inventors: Melissa Lee Merlau, Alan Isamu Nakatani, Curtis Schwartz, Fanwen Zeng
  • Patent number: 6639012
    Abstract: A powdery high rubber impact modifier composition containing two or more populations of polymer particles having a total rubbery weight fraction of greater than 90 weight percent is provided. Aqueous polymer particle dispersions for preparing these high rubber impact modifiers which can be spray dried to a powder are also provided. Also provided are polymeric compositions having a matrix resin component and the powdery high-rubber impact modifiers.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: October 28, 2003
    Assignee: Rohm and Haas Company
    Inventors: Morris Christopher Wills, Chuen-Shyong Chou, Karen Casey, Joseph Robert Adamo, Fanwen Zeng
  • Publication number: 20020072566
    Abstract: A powdery high rubber impact modifier composition containing two or more populations of polymer particles having a total rubbery weight fraction of greater than 90 weight percent is provided. Aqueous polymer particle dispersions for preparing these high rubber impact modifiers which can be spray dried to a powder are also provided. Also provided are polymeric compositions having a matrix resin component and the powdery high-rubber impact modifiers.
    Type: Application
    Filed: October 17, 2001
    Publication date: June 13, 2002
    Inventors: Morris Christopher Wills, Chuen-Shyong Chou, Karen Casey, Joseph Robert Adamo, Fanwen Zeng
  • Publication number: 20020045681
    Abstract: The present invention provides polymeric additive systems and processes for preparing polymeric additive systems which contain a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The present invention also provides polymeric compositions and processes for preparing polymeric compositions that include a polymeric component and a polymeric additive system which contains a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The disclosed compositions and processes are useful in the preparation of polymeric materials and articles produced therefrom.
    Type: Application
    Filed: August 31, 2001
    Publication date: April 18, 2002
    Inventors: Jane Elizabeth Weier, Chuen-Shyong Chou, Morris Christopher Wills, Jiun-Chen Wu, Fanwen Zeng, Eugene Patrick Dougherty