Sulfur Reactant Contains Sulfur Directly Bonded To Oxygen Patents (Class 528/171)
  • Patent number: 10400069
    Abstract: An aromatic polysulfone produced by polymerizing a dihalogeno compound represented by general formula (A) shown below, and a dihydric phenol represented by general formula (B) shown below, the aromatic polysulfone having a value (Mw/Mn) for the ratio between the weight average molecular weight (Mw) and the number average molecular weight (Mn) of less than 1.8, and having a number average molecular weight (Mn) of at least 6,000 but less than 14,000. (In the formula, each of X and X? independently represents a halogen atom; each of R1, R2, R3 and R4 independently represents an alkyl group having a carbon number of 1 to 4 or an alkoxy group having a carbon number of 1 to 4; each of n1, n2, n3 and n4 independently represents an integer of 0 to 4; and when n1, n2, n3 or n4 is an integer of 2 to 4, the plurality of R1, R2, R3 or R4 groups may be the same as, or different from, each other).
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 3, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shinji Ohtomo, Masanobu Matsubara
  • Patent number: 9890246
    Abstract: Disclosed is a fluorenylidene-diphenol-containing polyphenylene oxide which is defined by the following structural formula wherein D, X, Y, Z and b are defined in the specification. The fluorenylidene-diphenol-modified polyphenylene oxide resin or its prepolymer may be used for producing resin products with better thermal resistance, dielectric property, flame retardancy and lower thermal expansion. Accordingly, the resin products, such as prepregs, laminates or printed circuit boards, are suitable for use in electronic products with high speed and high frequency signal transmission to further improve the reliability, thermal resistance, and dimensional stability of the electronic products.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: February 13, 2018
    Assignee: Elite Electronic Material (Kunshan) Co., Ltd.
    Inventors: Chen Yu Hsieh, Yan Zhang
  • Patent number: 9850201
    Abstract: A process for the preparation of dihalodiphenylsulfones such as 4,4?-dichlorodiphenyl sulfone or 4,4?-bis-(4-chlorophenylsulfonyl)biphenyl with high regioselectivity, at low temperature and in the absence of toxic reagents by reacting together at least one acid, at least one fluorinated anhydride and at least one halobenzene. The invented process is particularly suited for the manufacture of 4,4?-dichlorodiphenyl sulfone.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: December 26, 2017
    Assignee: SOLVAY SPECIALITY POLYMERS USA, LLC
    Inventor: Chantal Louis
  • Patent number: 9447238
    Abstract: A polyphenylene oxide resin belongs to a polymerized and/or modified thermosetting polyphenylene oxide resin, having a structure represented by formula (I): The polymerized and/or modified thermosetting polyphenylene oxide resin has better flame retardancy, thermal resistance, dielectric constant, dissipation factor, toughness, reactivity, viscosity and solubility. Therefore, the polyphenylene oxide resin is suitable for producing prepregs, resin films, laminates, printed circuit boards and other articles. A method of preparing polyphenylene oxide resins, a prepolymer thereof and a resin composition containing the polyphenylene oxide resin are also provided.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: September 20, 2016
    Assignee: ELITE ELECTRONIC MATERIAL (KUNSHAN) CO., LTD.
    Inventors: Yu Gao, Chen-Yu Hsieh, Ziqian Ma, Rongtao Wang, Wenjun Tian
  • Patent number: 9150789
    Abstract: The invention is directed to sulfonated aromatic polyesters and methods of making said polymers. These polymers are useful as fibers and other articles. The polymer has a property of increased flame retardancy.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: October 6, 2015
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Justin W. Chan, Michael W Cobb, Surbhi Mahajan, Sharlene Renee Williams
  • Patent number: 9145499
    Abstract: Blend (B) comprising at least one polyarylene in a form other than fibers, and at least one poly(aryl ether ketone). Blend (T) comprising at least one polyarylene, at least one poly(aryl ether ketone) and at least one poly(aryl ether sulfone). Article or part of an article comprising the blend (B) or the blend (T).
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: September 29, 2015
    Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC
    Inventors: Mohammad Jamal El-Hibri, Nikica Maljkovic, Romana B. Chavers, Henri Massillon
  • Patent number: 9018336
    Abstract: A polymer of sulfonated poly(arylene ether)s (PAEs) and a manufacturing method thereof are provided. A main structure of the PAEs has a first side formed by multi-phenyl glycol monomer and a second side formed by multi-phenyl dihalo monomer with an electron-withdrawing group. The glycol monomer and the dihalo monomer are reacted with each other by a nucleophilic displacement reaction, so as to form the main structure of the PAEs. A film made of the PAEs has a better size stability under a high water uptake.
    Type: Grant
    Filed: January 26, 2014
    Date of Patent: April 28, 2015
    Assignee: National Sun Yat-sen University
    Inventors: Wen-yao Huang, Chun-Che Lee, Hsu-feng Lee, Steven Holdcroft
  • Patent number: 8987407
    Abstract: A fuel cell catalyst layer having sulfonated poly(arylene ether)s and a manufacturing method therefor are provided. The manufacturing method includes steps of: providing at least one type of sulfonated poly(arylene ether)s; mixing the sulfonated poly(arylene ether)s with a catalyst composition to prepare a catalyst slurry; and coating the catalyst slurry to form a film which is dried to be an electrode catalyst layer, in which the weight ratio of the sulfonated poly(arylene ether)s is 5-50 wt %. The sulfonated poly(arylene ether)s in the electrode catalyst layer can provide good thermal stability, glass transition temperature, chemical resistance, mechanical properties, water impermeability, low proton transmission loss, and a relatively simple process to shorten the manufacturing time and lower the cost thereof.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: March 24, 2015
    Assignee: National Sun Yat-sen University
    Inventors: Wen-yao Huang, Chun-Che Lee, Hsu-feng Lee, Steven Holdcroft
  • Patent number: 8916674
    Abstract: A method for preparing series of terpolymer of poly (diphenyl ether sulfone) and poly (diphenyl ether diphenyl sulfone) comprises: adding high temperature organic solvent, stirring and heating; sequentially adding 4,4?-dihydroxydiphenyl, 4,4?-dichlorodiphenyl sulfone and 4,4?-Bis(4-chlorophenyl)sulfonyl-1,1?-biphenyl; after all the monomers are completely dissolved, heating to 100° C. and adding alkali metal carbonate salt-forming agent which is 5-10 mol % more than the amount of 4,4?-dihydroxydiphenyl added, and subsequently adding xylene; continuously heating and salt-forming reaction begins in the system, and controlling the temperature at 190˜210° C.; then heating to 230˜236° C., and maintaining for 3-4 hours to obtain polymer viscous liquid; and refining the polymer viscous liquid to obtain a terpolymer containing different structural units in the molecular chain, wherein the Tg of the terpolymer can be regulated by changing the ratio of the two dichloro-containing monomers.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: December 23, 2014
    Assignee: Kingfa Sci & Tech Co., Ltd.
    Inventors: Zhongwen Wu, Rongtang Ma, Xiangbin Zeng
  • Patent number: 8907042
    Abstract: A polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound of the formula MO—Z—OM wherein M is an alkali metal salt and Z is an aromatic C6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C1-8 alkyl groups, 1 to 8 halogen atoms, or a combination thereof, with a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, from more than 45 to less than 75 weight percent of a 3,3?-bis(halophthalimide) of the formula less than 10 weight percent of a 3,4?-bis(halophthalimide) of the formula and from more than 45 to less than 75 weight percent of a (4,4?-bis(halophthalimide) of the formula
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: December 9, 2014
    Assignee: Sabic Global Technologies B.V.
    Inventors: Matthew L. Kuhlman, Gurulingamurthy M. Haralur
  • Patent number: 8846854
    Abstract: A copolymer containing, in addition to recurring elements of a sulfonated poly(arylene) containing exclusively recurring structural element(s) of the general formulas —[—Ar1(SO3M)n-X—]— and —[—Ar2(SO3M)n-Y—]—, wherein X and Y, which are identical or different from each other, each represent an electron-acceptor group, Ar1 and Ar2, which are either identical or different from each other, represent an aromatic or heteroaromatic ring system with 5-18 ring atoms; wherein the aromatic or heteroaromatic ring system, in addition to the SO3M and the substituents X and Y, optionally comprises additional substituents which are not electron-donor groups; M represents monovalent cation and n is an integral number between 1 and 4; and wherein X, Y, Ar1, Ar2, M and n can be identical or different in various structural elements, independently of each other, one or several additional elements of at least one additional monomer or macromonomer.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: September 30, 2014
    Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    Inventors: Michael Schuster, Klaus-Dieter Kreuer, Henrik Thalbitzer Andersen, Joachim Maier
  • Publication number: 20140200308
    Abstract: Disclosed herein are methods and compositions of polycarbonate compositions having, among other characteristics, improved thermal dimensional stability, hydrolytic stability and high refractive index. The resulting polycarbonate copolymer composition, comprising a polycarbonate and a polysulfone, can be used in the manufacture of articles for optical applications. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: January 11, 2013
    Publication date: July 17, 2014
    Applicant: SABIC Innovative Plastics IP B.V.
    Inventors: Roopali Rai, Theo Hoeks, Jaykisore Pal, BG Umesh, Shantaram Narayan Naik, Subramanyam Santhanam, Shweta Hegde, Hariharan Ramalingham
  • Patent number: 8729214
    Abstract: A method for the purification of aromatic polyether polymers prepared by a halide displacement polymerization process comprises adsorbing the catalyst with an alkali metal halide to form an adsorbent component and then removing the adsorbent component. Mixtures resulting from this method are also discussed.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: May 20, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Beatriz Penalver Bernabe, Thomas Guggenheim, David Bruce Hall, Norman Johnson, Juan Justino Rodriguez Ordonez, David Woodruff
  • Patent number: 8710176
    Abstract: A method of producing a sulfonated polyarylether block copolymer is provided. The method includes producing a sulfonated polyarylether block copolymer containing a hydrophobic segment having a structural unit represented by formula (5) and a hydrophilic segment having a structural unit having a sulfonic acid groups or derivative thereof incorporated into a structure represented by formula (6). A hydrophilic segment prepolymer having a sulfonic acid group in a potassium salt form and a hydrophobic segment prepolymer are block copolymerized. A proton conductor that includes the sulfonated polyarylether block copolymer is also provided.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: April 29, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Tetsuji Hirano, Nobuharu Hisano, Tatsuya Arai, Masayuki Kinouchi
  • Patent number: 8703901
    Abstract: The present invention relates to an aqueous alkali-developable photosensitive polyimide precursor resin composition that is appropriate for highly heat-resistant transparent protection layers and insulation layers for liquid crystal display devices.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: April 22, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-seok Kim, Yong-sik Ahn, Kyung-jun Kim, Mi-hie Yi
  • Patent number: 8669344
    Abstract: A method of removing a residual catalyst metal compound from a polymer solution comprises the steps of: a) mixing a solution in which at least one organic nitrogen compound is dissolved in a polar solvent and the polymer solution to precipitate a chelate compound of the organic nitrogen compounds and the residual catalyst metal compound, b) adding the polar solvent to the solution mixture to dissolve a chelate compound and to precipitate a polymer, and c) filtering the precipitated polymer. After the polymer polymerization is completed, an organic nitrogen compound solution is added to perform a chelate reaction with the residual catalyst metal compound in a solution phase, and the polar solvent is added to precipitate the polymer so that only polymer precipitates are filtered while an additional filtration process in respect to the chelate compound is not performed to easily remove the residual catalyst metal compound.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: March 11, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Hye-Young Jung, Sung-Ho Chun, Sung-Don Hong, Jung-Min Lee, Heon Kim, Dmitry Kravchuk
  • Publication number: 20130337263
    Abstract: A fine polymer particle production method includes producing an emulsion in a liquid prepared by dissolving and mixing a polymer A and a polymer B in organic solvents in which a solution phase composed primarily of the polymer A and a solution phase composed primarily of the polymer B are formed as separate phases, and bringing it into contact with a poor solvent for the polymer A to precipitate the polymer A. This method serves for easy synthesis of fine polymer particles with a narrow particle size distribution and the method can be effectively applied to production of highly heat-resistant polymers that have been difficult to produce with the conventional methods.
    Type: Application
    Filed: August 8, 2013
    Publication date: December 19, 2013
    Applicant: Toray Industries, Inc.
    Inventors: Itaru Asano, Yuji Echigo, Hiroshi Takezaki
  • Patent number: 8609804
    Abstract: Provided are sulfone-containing polyarylene polymers, and processes for preparing the polymers. The polyarylene polymers are suitable for use as engineering polymers.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: December 17, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventor: Mark F Teasley
  • Patent number: 8598301
    Abstract: A copolymer containing fluorenylporphyrin-anthracene is disclosed, which comprises a polymer represented by formula (1), in which R1, R2, R3 and R4, which may be identical or different, are C1-C16 alkyl, and n is an integer of 1 to 100. A preparation method of the copolymer containing fluorenylporphyrin-anthracene and the application thereof in manufacture of solar cell devices, organic field-effect transistors, organic electroluminescent devices, organic optical storage device, organic nonlinear materials or organic laser devices are also disclosed.
    Type: Grant
    Filed: January 30, 2010
    Date of Patent: December 3, 2013
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Jie Huang, Yijin Liu
  • Patent number: 8592548
    Abstract: Bis(halophthalimides) are prepared in mixture in an organic liquid such as ortho-dichlorobenzene or anisole, by a reaction at a temperature of at least 150° C. between at least one diamine compound and at least one halophthalic anhydride in the presence of imidization catalyst. The reaction mixture is maintained at about 15% by weight solids content and rich in the halophthalic anhydride by constantly monitoring the reaction mixture using analytical methods such as high performance liquid chromatography. The product mixture may be directly employed in the direct preparation of polyetherimides, and similar slurries may be employed to prepare other polyether polymers.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: November 26, 2013
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: John Yupeng Gui, Norman Enoch Johnson, Thomas Link Guggenheim, David Winfield Woodruff, James Manio Silva, Farid Fouad Khouri
  • Patent number: 8519081
    Abstract: Polysulfone based polymer comprising a repeat unit represented by the following Chemical Formula 1 is provided: wherein, X, M1, M2, a, b, c, d, e, f, R1, R2, R3, R4 and n are as defined in the detailed description.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: August 27, 2013
    Assignees: Hyundai Motor Company, Dongjin Semichem Co., Ltd.
    Inventors: Ju Ho Lee, Dong II Kim, Jang-Bae Son, Hyung-Su Park, Inchul Hwang, Ki Yun Cho
  • Patent number: 8487070
    Abstract: A sulfonated poly(arylene ether) copolymer that has a crosslinking structure in a chain of a polymer, a sulfonated poly(arylene ether) copolymer that has a crosslinking structure in and at an end of a chain of a polymer, and a polymer electrolyte film that is formed by using them are disclosed. According to the polycondensation reaction of the sulfonated dihydroxy monomer (HO—SAr1-OH), the none sulfonated dihydroxy monomer (HO—Ar—OH), the crosslinkable dihalide monomer (X—CM-X) and the none sulfonated dihalide monomer (X—Ar—X), the poly(arylene ether) copolymer in which the sulfonic acid is included is synthesized. The formed poly(arylene ether) copolymer has the crosslinkable structure in the chain of the polymer. In addition, by carrying out the polycondensation reaction in respects to the crosslinkable monohydroxy monomer or the crosslinkable monohalide monomer, the crosslinking can be formed at the end of the polymer.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: July 16, 2013
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Jae-Suk Lee, Myung-Hwan Jeong, Kwan-Soo Lee, Eun-Seon Park, Young-Mu Joe
  • Publication number: 20130099426
    Abstract: Disclosed is an infusion method for the manufacture of a fibre-reinforced composite component with a flow promoter 18, wherein the flow velocity of the matrix material in a component 22 to be infiltrated is modified by means of the flow promoter 18; also disclosed is a flow promoter 18, which has an integral body section 20 for the modification of the flow velocity.
    Type: Application
    Filed: December 29, 2010
    Publication date: April 25, 2013
    Applicant: AIRBUS OPERATIONS GMBH
    Inventors: Clemens Heim, Paulin Fideu, Hauke Seegel, Axel Herrmann
  • Patent number: 8420767
    Abstract: Disclosed herein is a polyarylene-based polymer, a preparation method for the same, and a polymer electrolyte membrane for fuel cell using the polymer. The polyarylene-based polymer, which is designed to have long side chains of a hydrophilic moiety and dense sulfonic acid groups, may improve the formation of ion channels when fabricating a polymer membrane and also ensures good chemical stability of the hydrophilic moiety and good dimensional stability against water. Further, the preparation method of the present invention simplifies production of the polymer, and polymer electrolyte membranes using the polymer exhibits improved properties as a polymer electrolyte membrane for a fuel cell, such as high proton conductivity, even under an atmosphere of low water uptake, and good dimensional stability against a long-term exposure to water.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: April 16, 2013
    Assignee: Hyundai Motor Company
    Inventors: Inchul Hwang, Nak Hyun Kwon, Young Taek Kim, Dong Il Kim, Ju Ho Lee, Jang-Bae Son
  • Patent number: 8404319
    Abstract: The invention relates to a transparent substrate with low birefringence. The transparent substrate comprises polyimide having a repeat unit of formula (I) and has a birefringence below 0.005: wherein each A of the repeat unit, being the same or different, represents an aromatic or aliphatic group, and at least one A is an aromatic or aliphatic group containing sulfonyl functionality; each B of the repeated unit, being the same or different, represents an aromatic or cycloaliphatic group; and n is an integer greater than one.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: March 26, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Chen-Lung Lin, Chyi-Ming Leu, Hang-Chang Chang
  • Patent number: 8378054
    Abstract: A process for preparing polyaryl ethers in which a polycondensation of the monomer building blocks is carried out using microwave irradiation leads to thermoplastic molding compositions having improved color properties.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: February 19, 2013
    Assignee: BASF SE
    Inventors: Martin Weber, Volker Warzelhan, Faissal-Ali El-Toufaili, Andreas Greiner, Heiner Stange, Seema Agrarwal
  • Patent number: 8372941
    Abstract: A method for the purification of aromatic polyether polymers prepared by a halide displacement polymerization process comprises adsorbing the catalyst with an alkali metal halide to form an adsorbent component and then removing the adsorbent component. Mixtures resulting from this method are also discussed.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: February 12, 2013
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Beatriz Penalver Bernabe, Thomas Guggenheim, David Bruce Hall, Norman Johnson, Juan Justino Rodriguez Ordonez, David Woodruff
  • Patent number: 8349993
    Abstract: Hydrolytically and thermo-oxidatively stable sulfonated polyarylenes include the structural element —X—Ar(SO3M)n-Y—. The aromatic ring carrying the sulfonic acid group is substituted exclusively by electron-acceptor bridge groups X and Y and, if applicable, by other non-electron-donor substituents. Their synthesis and application are also included.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: January 8, 2013
    Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    Inventors: Michael Schuster, Klaus-Dieter Kreuer, Henrik Thalbitzer Andersen, Joachim Maier
  • Patent number: 8349905
    Abstract: Disclosed herein is a proton-conducting polymer and uses thereof and, more particularly, a hydrocarbon-based proton-conducting polymer derived from a monomer having a multi-naphthyl group and comprising a plurality of acid groups on the side chain of the repeating unit, an electrolyte membrane comprising the polymer, a membrane-electrode assembly comprising the electrolyte membrane, and a fuel cell comprising the membrane-electrode assembly.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: January 8, 2013
    Assignee: Hyundai Motor Company
    Inventors: Inchul Hwang, Nak Hyun Kwon, Young Taek Kim, Dong Il Kim, Ju Ho Lee, Jang-Bae Son
  • Patent number: 8344091
    Abstract: A polymer represented by the following Formula 1, and a membrane-electrode assembly and a fuel cell system including the polymer: In the above Formula 1, definitions of the substituents are the same as in described in the detailed description.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: January 1, 2013
    Assignee: Samsung SDI Co. Ltd.
    Inventors: Sung-Guk An, Sung-Yong Cho, Sang-Il Han, Kie Hyun Nam
  • Patent number: 8334358
    Abstract: The present invention relates to a sulfonated poly(arylene ether) copolymer, a manufacturing method thereof and a polymer electrolyte membrane for fuel cell using the same.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: December 18, 2012
    Assignee: Hyundai Motor Company
    Inventors: Inchul Hwang, Ki Yun Cho, Dong Il Kim, Ju Ho Lee
  • Publication number: 20120316313
    Abstract: The invention provides halogen-free, bisphenol triazole resins and polymers having exceptional flame retarding properties, related compositions and methods of making and use thereof.
    Type: Application
    Filed: June 6, 2012
    Publication date: December 13, 2012
    Inventors: Todd Emrick, Beom-Young Ryu
  • Patent number: 8288500
    Abstract: The present invention relates to a sulfonated poly(arylene ether) copolymer, a manufacturing method thereof and a polymer electrolyte membrane for fuel cell using the same.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: October 16, 2012
    Assignee: Hyundai Motor Company
    Inventors: Ju Ho Lee, Dong Ii Kim, Nak Hyun Kwon, Inchul Hwang
  • Patent number: 8263321
    Abstract: An antireflective hardmask composition includes an organic solvent, an initiator, and at least one polymer represented by Formulae A, B, or C as set forth in the specification.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: September 11, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Kyong Ho Yoon, Jong Seob Kim, Dong Seon Uh, Chang Il Oh, Kyung Hee Hyung, Min Soo Kim, Jin Kuk Lee
  • Patent number: 8236920
    Abstract: A dihalobiphenyl compound represented by the formula (1): wherein A represents an amino group substituted with one or two C1-C20 hydrocarbon groups or a C1-C20 alkoxy group, R1 represents a fluorine atom, a C1-C20 alkyl group, etc., X1 represents a chlorine atom, a bromine atom or an iodine atom, an k represents an integer of 0 to 3, and a polyarylene comprising a repeating unit represented by the formula (2): wherein A, R1 and k represent the same meanings as defined above.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: August 7, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Noriyuki Hida, Seiji Oda, Takashi Kamikawa, Katsuhiro Suenobu
  • Patent number: 8232366
    Abstract: The present invention relates to an aqueous alkali-developable photosensitive polyimide precursor resin composition that is appropriate for highly heat-resistant transparent protection layers and insulation layers for liquid crystal display devices. In more detail, the present invention relates to a negative-type photosensitive transparent polyimide precursor resin composition manufactured in two steps.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: July 31, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Dong-seok Kim, Yong-sik Ahn, Kyung-jun Kim, Mi-hie Yi
  • Patent number: 8222367
    Abstract: A proton conducting hydrocarbon-based polymer has acid groups on side chains attached to the main chain, where the acid groups are between 7 and 12 atoms away from the main chain. Another polymer includes a semi-fluorinated aromatic hydrocarbon main chain and side chains that include at least one —CF2— group and an acid group. Another polymer includes an aromatic hydrocarbon main chain and side chains that include at least one —CH2-CF2— group and an acid group. Another aromatic polymer includes acid groups attached to both the main chain and the side chains where less than about 65 weight percent of the acid groups are attached to the side chains. Another aromatic polymer includes side chains attached to the main chain that include at least one aryl ring, and acid groups attached to both the main chain and to the aryl groups. Another polymer includes an aliphatic hydrocarbon main chain, side chains that include at least one deactivating aryl ring, and acid groups attached to the deactivating aryl rings.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: July 17, 2012
    Assignee: Battelle Memorial Institute
    Inventors: Ramanathan S. Lalgudi, Bhima R. Vijayendran, Jeffrey Cafmeyer, Jay R. Sayre
  • Patent number: 8211963
    Abstract: A method for purifying a polymer comprising providing a first mixture comprising at least one solvent and at least one polymeric material, diluting the first mixture with veratrole to produce a second mixture in which the polymeric material is substantially dissolved at a temperature less than 100° C., performing at least one step selected from (i) contacting the second mixture with an aqueous wash solution, and (ii) filtering the second mixture.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: July 3, 2012
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventor: David Bruce Hall
  • Patent number: 8211588
    Abstract: A sulfonated poly(arylene sulfone) contains an unsaturated bond. A cross-linked material may be formed from the sulfonated poly(arylene sulfone), and a clay nanocomposite may include the sulfonated poly(arylene sulfone) or the cross-linked material. A fuel cell includes the clay nanocomposite.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: July 3, 2012
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Yeong-suk Choi, Sang-ouk Kim, Sun-hwa Lee, Won-jun Lee
  • Publication number: 20120130042
    Abstract: Polyethersulfones having Tg greater than about 225° C. and a notched Izod value greater than about 1 ft-lb/in, as measured by ASTM D256, comprise from about 5 mol % to less than about 40 mol % structural units of formula 1; and from greater than about 60 mol % to about 95 mol % structural units of formula 2 wherein R1, R2, and R3 are independently at each occurrence a halogen atom, a nitro group, a cyano group, a C1-C12 aliphatic radical, C3-C12 cycloaliphatic radical, or a C3-C12 aromatic radical; n, m, q are independently at each occurrence integers from 0 to 4; and Q is a C3-C20 cycloaliphatic radical, or a C3-C20 aromatic radical.
    Type: Application
    Filed: January 30, 2012
    Publication date: May 24, 2012
    Applicant: SABIC INNOVATIVE PLASTICS IP B.V.
    Inventors: Daniel Joseph Brunelle, Daniel Steiger
  • Patent number: 8163864
    Abstract: The invention relates to the field of polymer chemistry and relates to sulfonated polyarylene compounds such as can be used for example in ion exchange membranes in fuel cells, as well as a method for the production thereof and the use thereof. The object of the present invention is to disclose hydrolytically and thermally resistant sulfonated polyarylene compounds with a defined degree and position of sulfonation, from which membrane materials with an improved resistance to hydrolysis can be produced. The object is attained through sulfonated polyarylene compounds according to at least one of the general formulas (I)-(IV).
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: April 24, 2012
    Assignee: Leibniz-Institut fuer Polymerforschung Dresden E.V.
    Inventors: Dieter Lehmann, Jochen Meier-Haack, Claus Vogel, Wladimir Butwilowski
  • Publication number: 20120095178
    Abstract: The invention relates to a new process for treatment of residual nucleic acids present on the surface of laboratory consumables. This process combines two treatment phases: i) Treating with ethylene oxide in gaseous phase; then ii) Treating said surface with hydrogen peroxide in liquid phase or in gaseous phase; The effect of this treatment is to avoid the amplification of said residual nucleic acids, in particular during PCR or TMA reactions.
    Type: Application
    Filed: October 18, 2011
    Publication date: April 19, 2012
    Applicant: Millipore Corporation
    Inventors: Marie Pressel, Didier Metz
  • Patent number: 8142917
    Abstract: The present invention relates to a proton-conducting polymer membrane which comprises polyazole blends and is obtainable by a process comprising the steps A) preparation of a mixture comprising polyphosphoric acid, at least one polyazole (polymer A) and/or one or more compounds which are suitable for forming polyazoles under the action of heat according to step B), B) heating of the mixture obtainable according to step A) under inert gas to temperatures of up to 400° C., C) application of a layer using the mixture from step A) and/or B) to a support, D) treatment of the membrane formed in step C) until it is self-supporting, wherein at least one further polymer (polymer B) which is not a polyazole is added to the composition obtainable according to step A) and/or step B) and the weight ratio of polyazole to polymer B is in the range from 0.1 to 50.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: March 27, 2012
    Assignee: BASF Fuel Cell GmbH
    Inventors: Oemer Uensal, Joachim Kiefer, Gordon Calundann, Michael J. Sansone, Brian Benicewicz, Eui Wong Choe
  • Patent number: 8106142
    Abstract: Polyacetylinic oligomers suitable for high-temperature polymer-matrix composites are provided. The polyacetylinic oligomers have the formula: D-A-D wherein D is an endcap including at least one crosslinking functionality; and A is backbone selected from the group consisting of imidesulfone; ether; ethersulfone; amide; imide; ester; estersulfone; etherimide; amideimide; oxazole; oxazole sulfone; thiazole; thiazole sulfone; imidazole; and imidazole sulfone. At least one ethynyl functional group, however, is incorporated into the backbone such that crosslinking is not only realized at the endcaps but also at the ethynyl groups within the backbone of the oligomer itself.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: January 31, 2012
    Assignee: The Boeing Company
    Inventors: Thomas K. Tsotsis, Norman R. Byrd
  • Patent number: 8084568
    Abstract: The present invention relates to a poly(arylene ether) copolymer having an ion exchange group, particularly a positive ion exchange group, a method for manufacturing the same, and use thereof. In the poly(arylene ether) copolymer having the ion exchange group according to the present invention, physical characteristics, ion exchanging ability, metal ion adsorption ability and a processability are excellent, and thus the copolymer can be molded in various shapes and can be extensively applied to various fields such as recovering of organic metal, air purification, catalysts, water treatment, medical fields and separating of proteins.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: December 27, 2011
    Assignee: Hyundai Motor Company
    Inventors: Inchul Hwang, Nak Hyun Kwon, Young Taek Kim, Dong Il Kim, Ju Ho Lee
  • Patent number: 8063168
    Abstract: An oligomer having di-phenylethynyl endcaps is disclosed. The capped oligomer has the formula: D-A-D wherein D is a di-phenylethynyl endcap; and A is an oligomer selected from the group consisting of imidesulfone; ether; ethersulfone; amide; imide; ester; estersulfone; etherimide; amideimide; oxazole; oxazole sulfone; thiazole; thiazole sulfone; imidazole; and imidazole sulfone.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: November 22, 2011
    Assignee: The Boeing Company
    Inventors: Thomas K. Tsotsis, Norman R. Byrd
  • Patent number: 8058365
    Abstract: A proton conductive membrane displays sufficient proton conductivity even at low humidities and low temperatures. The proton conductive membrane includes: a block copolymer including an ion conductive polymer segment (A) and an ion nonconductive polymer segment (B), the segment (A) and the segment (B) being covalently bound in a manner such that main chain skeletons of the segments are covalently bound at aromatic rings thereof through binding groups, (i) the membrane having a morphology including a microphase separated structure, (ii) the ion conductive polymer segment (A) forming a continuous phase.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: November 15, 2011
    Assignee: JSR Corporation
    Inventors: Junji Kawai, Yosuke Konno, Kohei Goto
  • Patent number: 8058383
    Abstract: The preparation of aromatic sulfonimide polymers useful as membranes in electrochemical cells is described.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: November 15, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Mark F. Teasley
  • Patent number: 8053091
    Abstract: Provided are a hyperbranched polymer represented by Formula 1 below, an organic light-emitting diode including an organic layer including the hyperbranched polymer, and a method of manufacturing the organic light-emitting diode: For a detailed description about Formula 1, the Detailed Description of the Invention may be referred to. The hyperbranched polymer is excellent in view of hole injection capability and/or electron blocking capability and adhesion with an electrode, and thus, the organic light-emitting diode including the organic layer including the hyperbranched polymer can have good electrical properties.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: November 8, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Tae-Woo Lee, Jong-Jin Park, Shinichiro Tamura, Masa-aki Kakimoto
  • Publication number: 20110263729
    Abstract: A process for the manufacture of a fiber or foil comprising at least one optionally functionalized polymer with a high Tg selected from the group consisting of poly(aryl ether sulfone) (PAES), poly(aryl ether ketone) (PAEK) and aromatic polyimide, comprising the steps of (aa) providing a solution comprising at least 45 wt. % of the polymer, and at least 20 wt. % of at least one halogen-free organic solvent (S1) for the polymer, both wt % based upon the weight of the solution; (bb) pushing the solution through a nozzle; and (cc) introducing the solution into a coagulation bath comprising: (cc1) at least one liquid (L1) in which the polymer is insoluble, and optionally (cc2) at least one organic solvent (S2) for the polymer, identical to or different from the organic solvent (S1), to form a fiber or foil. A fiber or foil obtained by this process as well as to fibers or foils with specific porosity features and/or mechanical properties.
    Type: Application
    Filed: October 16, 2009
    Publication date: October 27, 2011
    Applicant: SOLVAY ADVANCED POLYMERS, L.L.C.
    Inventors: Frank Hermanutz, Mark G. Reichmann