Sulfur-containing Reactant Patents (Class 528/293)
  • Patent number: 10483576
    Abstract: The present specification relates to a polymer electrolyte membrane including a polymer and inorganic particles.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: November 19, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Youngjea Kim, Joong Jin Han, Yunah Yu, Esder Kang, Yong Jin Jang
  • Patent number: 10411283
    Abstract: The present specification relates to a polymer electrolyte membrane including two types of polymers.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: September 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Youngjea Kim, Yong Jin Jang, Joong Jin Han, Esder Kang, Yunah Yu
  • Patent number: 8945711
    Abstract: It is an object of the present invention to provide a water-based composite resin composition which has an excellent long-term storage stability and which enables formation of a coating film having an excellent water resistance and solvent resistance. The present invention relates to a water-based composite resin composition and a coating agent; the water-based composite resin composition containing composite resin particles (A) and an aqueous medium (B), the composite resin particles (A) containing polyester resin (a1) particles having a sulfonate group and an epoxy resin (a2) of which some or all parts are encapsulated in the polyester resin (a1) particles, wherein a mass ratio [(a1)/(a2)] of the polyester resin (a1) to the epoxy resin (a2) in the composite resin particles (A) is in the range of 95/5 to 30/70.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: February 3, 2015
    Assignee: DIC Corporation
    Inventors: Tomokazu Higeshiro, Mitsuru Kitada
  • Patent number: 8865313
    Abstract: The present invention relates generally to the field of organic chemistry and particularly to the optical retardation films for liquid crystal displays. The present invention provides an optical film comprising a substrate having front and rear surfaces, and at least one solid retardation layer on the front surface of the substrate.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: October 21, 2014
    Assignee: Crysoptix K.K.
    Inventor: Ellina Kharatiyan
  • Patent number: 8748560
    Abstract: A blood cells removal module including a casing having an inlet into which a blood flow before blood cells removal flows, and an outlet in which a blood flow after blood cells removal is discharged, an adsorbent for blood cells removal of short fiber shape accommodated in the casing, a mesh being provided inside the inlet and the outlet, respectively, and holding the adsorbent for blood cells removal in the casing, wherein a length of the adsorbent for blood cells removal is within a range from 1 to 60% of the internal diameter of the casing.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: June 10, 2014
    Assignee: Nikkiso Company, Ltd.
    Inventors: Michiharu Nakao, Seishu Hayashi, Toshiaki Chiba
  • Patent number: 8734952
    Abstract: The present invention relates generally to the field of organic chemistry and particularly to the optical retardation films for liquid crystal displays. The present invention provides an optical film comprising a substrate having front and rear surfaces, and at least one solid retardation layer on the front surface of the substrate.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: May 27, 2014
    Assignee: Crysoptix KK
    Inventor: Ellina Kharatiyan
  • Publication number: 20140051780
    Abstract: The present invention relates to aliphatic or aliphatic-aromatic polyesters and copolyesters comprised of biobased ?-hydroxyfatty acids or derivatives thereof, processes for the preparation thereof, and compositions thereof having improved properties. The copolyesters of the present invention may also contain additional components that can be selected from aliphatic or aromatic diacids, diols and hydroxyacids obtained from synthetic and natural sources. The biobased ?-hydroxyfatty acids that comprise the polyesters and copolyesters of the present invention are made using a fermentation process from pure fatty acids, fatty acid mixtures, pure fatty acid ester, mixtures of fatty acid esters, and triglycerides from various sources. The polyesters of the present invention may contain various amounts and types of ?-carboxyfatty acids depending on the engineered yeast strain used for the bioconversion as well as the feedstock(s) used.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 20, 2014
    Applicant: SyntheZyme LLC
    Inventor: Richard A. Gross
  • Patent number: 8613799
    Abstract: The present invention relates to dispersants containing at least two lipophilic groups (e.g., alkenyl-substituted acylating agent, such as, dodecyl succinic anhydride), and the dispersants contain a hydrophilic component (e.g., alkylene glycol, polyalkylene glycol) present in an amount sufficient to at least partially disperse the amphiphilic compound in aqueous media (e.g., 30 wt % to 80 wt %). The invention further provides for dispersants as phosphate, sulphonate, and phosphite derivatives thereof. The invention further provides for the use of the dispersants in tinter compositions (e.g., universal tinter) and reduced shade paints.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: December 24, 2013
    Assignee: Lubrizol Limited
    Inventors: Dean Thetford, John J. Mullay, Christopher J. Kolp, Rita A. Sweet
  • Patent number: 8580872
    Abstract: A sulfopolyester containing residues of 2,2,4,4-tetralkylcyclobutane-1,3-diol such as 2,2,4,4-tetramethylcyclobutane-1,3-diol is highly dispersible in water. This allows one to reduce the content of sulfonate groups or reduce the amount of ethylene glycol or other hydrophilic glycols to retain good water resistance in cured coatings. The sulfopolyester may also be a reaction product of a 2,2,4,4-tetralkylcyclobutane-1,3-diol along with 1,4-cyclohexanedimethanol, neopentyl glycol, or a mixture thereof with an acid component. Coating compositions may also contain these sulfopolyesters along with water and a polymer resin.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: November 12, 2013
    Assignee: Eastman Chemical Company
    Inventors: Thauming Kuo, Phillip Bryan Hall
  • Publication number: 20130289233
    Abstract: The present invention provides reversibly crosslinked polymers and methods for producing and using the same. In particular, reversibly crosslinked polymers of the invention comprise polyesters comprising thiol groups as crosslinking moieties. Oxidation of thiol groups affords crosslinked polymer comprising a disulfide linkage and reduction of the disulfide linkage provides non-crosslinked polymer. In some embodiments, polymers of the invention are degradable and are biocompatible.
    Type: Application
    Filed: April 29, 2013
    Publication date: October 31, 2013
    Applicant: WYSIS TECHNOLOGY FOUNDATION, INC.
    Inventor: John P. Droske
  • Patent number: 8541538
    Abstract: An adsorbent for the removal of blood cells, which is formed from a hydrophobic polymer resin and has a surface center line average roughness of 5 to 100 nm. The hydrophobic polymer resin is preferably a polyarylate resin (PAR), polyethersulfone resin (PES), polysulfone resin (PSF), or a polymer alloy consisting of two or more of these resins. The adsorbent for the removal of blood cells can take the form of beads, hollow fibers, or solid fibers.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: September 24, 2013
    Assignee: Nikkiso Co., Ltd.
    Inventors: Michiharu Nakao, Seishu Hayashi
  • Publication number: 20130232937
    Abstract: A spinnable, gel-free and thermally stable polyester composition includes at least one dicarboxylic acid or monoesters thereof or diesters thereof; at least one diol; at least one carboxylic acid anhydride; at least one sodium or lithium based aromatic co-monomer and at least one hydroxyl terminated polyester polyol. The polyester is produced by esterifying at least one dicarboxylic acid or monoesters thereof or diesters thereof and at least one diol along with at least one acid anhydride at a temperature in the range of 250° C. to 290° C. and pressure in the range of 0 kg/cm2g to 5 kg/cm2g; and polycondensing the esterified mixture along with at least one sodium or lithium based aromatic compound and at least one hydroxyl terminated polyether polyol at a temperature in the range of 250° C. to 290° C. and under vacuum of 0.1 torr to 10 torr.
    Type: Application
    Filed: September 6, 2012
    Publication date: September 12, 2013
    Applicant: Reliance Industries Limited
    Inventors: Vikas Madhusudan Nadkarni, Santosh Raghavendra Huilgol, Shilpa Girish Nayak, Ashwin Kumar Jain, Makarand Renukadas Megde, Sanjay Kesarwani
  • Publication number: 20130209392
    Abstract: The present invention provides cyclic dimers of alpha acids and polymers derived therefrom. Also provided are processes for preparing and methods of using the cyclic dimers and the polymers derived from the cyclic dimers.
    Type: Application
    Filed: February 8, 2013
    Publication date: August 15, 2013
    Applicant: NOVUS INTERNATIONAL INC.
    Inventor: Novus International Inc.
  • Patent number: 8378060
    Abstract: A composition of the formulae MZAORSnR1F1mOAZ1M1, wherein O and S have their normal meaning of oxygen and sulfur, n is at least 2 and not more than 8, F1 is of the formula —OAORSnR1—, m is at least 1, Z and Z1 are the same or different and are oxy or amino, M and M1 are the same or different and are hydrogen or an organic substituent, R and R1 are the same or different and are organic divalent radicals, each having from 2 to 20 carbon atoms, and A is the residue of a dicarboxylic acid of from 2 to 40 carbon atoms.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: February 19, 2013
    Assignee: POLYMERight, Inc.
    Inventors: Leonid Rappoport, Aleksander Yam, Alexander Vainer
  • Patent number: 8324338
    Abstract: An oligomer removing agent for polyester-based fiber materials comprises a polyester copolymer which is obtained by polycondensation of a dibasic acid component containing 15-65 mol % of a sulfonate group-containing dibasic acid and a dihydric alcohol component containing polyethylene glycol with a molecular weight of 900-3500, and which has a 200° C. melt viscosity of 5000-23,000 mPa·s and has 10-40 mass % polyoxyethylene chains in the molecule. The oligomer removing agent is able to overcome the problems caused by deposition of polyester oligomers, when added to the dyeing bath in a dyeing step for polyester fiber materials or for fiber materials that are composites thereof with other fiber materials.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: December 4, 2012
    Assignee: Nicca Chemical Co., Ltd.
    Inventors: Masaaki Hosoda, Masatoshi Hayashi
  • Publication number: 20120196978
    Abstract: A polyester heat storage material and a preparation method thereof are disclosed. The repeating unit of the polyester's main chain comprises a diacid fragment and a polyalkylene glycol fragment. The method for preparing the polyester heat storage material includes melting diacid anhydride and polyalkylene glycol and conducting the polycondensation reaction.
    Type: Application
    Filed: June 21, 2011
    Publication date: August 2, 2012
    Applicant: TAIWAN TEXTILE RESEARCH INSTITUTE
    Inventors: Yin-Hsi Lin, Chi-Shu Wei, Cheng-Chu Lin, Ming-Chih Kuo, Sheng-Shan Chang
  • Patent number: 8163385
    Abstract: Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240° C. at a strain rate of 1 rad/sec, and wherein the sulfopolyester comprising less than about 25 mole % of residues of at least one sulfomonomer, based on the total moles of diacid or diol residues. The multicomponent fiber is capable of being drawn at a relatively high fiber speed, particularly at least about 2000 m/min, and may be used to produce microdenier fibers. Fibrous articles may be produced from the multicomponent fibers and microdenier fibers. Also disclosed is a process for multicomponent fibers, nonwoven fabrics, and microdenier webs.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 24, 2012
    Assignee: Eastman Chemical Company
    Inventors: Rakesh Kumar Gupta, Scott Ellery George, Daniel William Klosiewicz, Kab Sik Seo, Coralie McKenna Fleenor, Allen Lynn Crain
  • Patent number: 8158726
    Abstract: The present invention provides poly(thioesters) and monomeric diesters, produced from di(hydroxyethyl)polysulfides and various mono- and di-basic carbonic acids or their anhydrides, and their derivatives. The new compounds combine properties of polyesters and polysulfides. The poly(thioesters) can be used as components in many compositions, including but not limited to adhesives, sealants, caulks, coatings, plastics, paints and elastomers. The monomeric diesters find use in compositions such as solvents and plasticizers.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: April 17, 2012
    Assignee: Polymeright, Inc.
    Inventors: Leonid Rappoport, Aleksander Yam, Alex Vainer
  • Patent number: 8133592
    Abstract: A laminated adhesive thermoplastic resin film includes a laminated layer containing a polyester resin (A) and a polyester resin (B) different from each other in glass transition temperature and a melamine-based crosslinking agent (C) as components and having a surface energy of 48 to 55 mN/m, formed at least on one surface of the thermoplastic resin film, wherein the glass transition temperature of the polyester resin (A) is 110° C. or higher; the glass transition temperature of the polyester resin (B) is 60° C. to lower than 110° C.; and the amount of the melamine-based crosslinking agent (C) is 75 to 200 parts by weight per 100 parts by weight based on the weight of the polyester resin (A) and the polyester resin (B).
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: March 13, 2012
    Assignee: Toray Industries, Inc.
    Inventors: Yasushi Takada, Mitsuhiro Horiuchi, Masato Yanagibashi
  • Publication number: 20120059087
    Abstract: Pressure sensitive adhesives produced from naturally occurring fats and oils are described. Also described are methods of producing the pressure sensitive adhesives. Generally, one or more naturally occurring fats or oils are epoxidized, and then reacted with certain alcohols or amines to thereby obtain the noted pressure sensitive adhesives.
    Type: Application
    Filed: August 16, 2011
    Publication date: March 8, 2012
    Inventors: Carol A. Koch, Prakash Mallya, Charles R. Williams
  • Publication number: 20110245366
    Abstract: The invention relates to a process for preparing polyester alcohols by catalytically reacting at least one at least difunctional carboxylic acid or a derivative thereof with at least one at least difunctional alcohol, which comprises performing at least part of the reaction in the presence of microwave radiation.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 6, 2011
    Applicant: BASF SE
    Inventors: Lionel GEHRINGER, Faissal-Ali El-Toufaili, Ulrike Mahn, Christian Pilger
  • Patent number: 8012571
    Abstract: The present invention relates to multilayer optical films and birefringent copolyester films. The birefringent copolyester optical layer or birefringent copolyester film comprises a major amount of naphthalate units, ethylene units, and a minor amount of branched or cyclic C4 to C10 alkyl units. Also described are certain copolyester polymeric materials further comprising subunits of a phthalate ionomer such as dimethyl sulfosodium isophthtalate ionomer.
    Type: Grant
    Filed: May 2, 2008
    Date of Patent: September 6, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Yufeng Liu, David T. Yust, Stephen A. Johnson, Kristopher J. Derks
  • Publication number: 20110206883
    Abstract: The polymerization processes described herein provide methods for dehydrating diols such that dimers of the diols are formed and incorporated into polyesters during polycondensation. Control over this phenomenon provides unique polymer compositions with a range of thermo-mechanical properties, crystallinity, bio-content and biodegradability. Generation of a wide range of properties allows development of polymers that can be used for a wide range of applications.
    Type: Application
    Filed: December 14, 2009
    Publication date: August 25, 2011
    Applicant: E.I. DUPONT DE NEMOURS AND COMPANY
    Inventors: Noel M. Hasty, Edward J. Stancik
  • Patent number: 7923526
    Abstract: A sulfopolyester comprising repeat residue units from the reaction product dimethyl-5-sodiosulfoisophthalate, isophthalic acid, 1,4-cyclohexanedimethanol and diethylene glycol, has at least one property selected from: a) an acidity of greater than 0.030 measured as milliequivalents H+/gram of sulfopolyester; b) a titanium concentration, measured as metal, of less than about 27 ppm, based on the amount of sulfopolyester; or c) an acidity of greater than 0.010 measured as milliequivalents H+/gram of sulfopolyester, a pH of less than 6.0 and a concentration of a base compound of less than 0.0335 moles/kg of sulfopolyester. A method for making the water-dispersible or water-dissipative sulfopolyester of the present invention is disclosed. Aqueous dispersion having from 0.001 to about 35 weight % of the sulfopolyester of the present invention is also disclosed. The sulfopolyester is useful in making hair spray formulations suitable for pump or aerosol spray applicators.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: April 12, 2011
    Assignee: Eastman Chemical Company
    Inventors: Terry Ann Oldfield, Suzanne Winegar Dobbs, Scott Ellery George, Ricky Thompson, Edward Enns McEntire, George William Tindall
  • Publication number: 20110039999
    Abstract: The present invention relates to a process for the continuous production of a biodegradable polyester based on aliphatic or aliphatic and aromatic dicarboxylic acids and on aliphatic dihydroxy compounds, where a mixture composed of the aliphatic dihydroxy compounds, of the aliphatic and aromatic dicarboxylic acids, and, if appropriate, of further comonomers (component C) is mixed, without addition of a catalyst, to give a paste, or, as an alternative, the liquid esters of the dicarboxylic acids are fed into the system, as also are the dihydroxy compound and, if appropriate, further comonomers, without addition of any catalyst, and i) in a first stage, this mixture, together with the entire amount or with a portion of the catalyst, is continuously esterified or, respectively, transesterified; ii) in a second stage, the transesterification or, respectively, esterification product obtained in i) is continuously precondensed if appropriate with the remaining amount of catalyst to an intrinsic viscosity of from
    Type: Application
    Filed: April 7, 2009
    Publication date: February 17, 2011
    Applicant: BASF SE
    Inventors: Uwe Witt, Motonori Yamamoto
  • Publication number: 20110009531
    Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.
    Type: Application
    Filed: August 17, 2010
    Publication date: January 13, 2011
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: TAKAYUKI AOSHIMA, YASUAKI MIKI, KATSUHISA KUMAZAWA, SATOSHI KATOU, TADASHI UYEDA, TOYOMASA HOSHINO, NOBORU SHINTANI, KENJI YAMAGISHI, ATSUSHI ISOTANI
  • Patent number: 7741389
    Abstract: A resin composition with a high crystallization rate that contains a polyalkylene furan dicarboxylate resin and a porphyrin compound, and a molded article composed of the resin composition. The polyalkylene furan dicarboxylate resin is preferably a polybutylene furan dicarboxylate resin. The porphyrin compound is preferably hematoporphyrin dihydrochloride. The molded article is obtained by molding the resin composition.
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: June 22, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yuichiro Tanaka
  • Patent number: 7700187
    Abstract: The invention relates to a biaxially oriented polyester film, preferably PET film, which has a hydrophilic coating on at least one surface. The coating composition used to form the hydrophilic coating includes water, a sulfopolyester, a surfactant, and optionally an adhesion-promoting polymer. The inventive films have a hydrophilic surface which inhibit condensation of water droplets on the films.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: April 20, 2010
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Matthias Konrad, Herbert Peiffer, Gottfried Hilkert
  • Patent number: 7635745
    Abstract: Processes for the recovery of a sulfopolyester polymer from an aqueous dispersion and a sulfopolyester concentrate are provided. Particularly, a sulfopolyester concentrate, from which the sulfopolyester may be recovered and reused, are formed by processes such as evaporation and/or nanofiltration. Final recovery of the sulfopolyester may be achieved by further evaporation of water and/or salt precipitation. In addition, the recovered sulfopolyester and articles manufactured from the recovered sulfopolyester are also provided.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: December 22, 2009
    Assignee: Eastman Chemical Company
    Inventors: Rakesh Kumar Gupta, Allen Lynn Crain, Daniel William Klosiewicz, Scott Ellery George, Kab Sik Seo
  • Patent number: 7625994
    Abstract: A sulfonated aliphatic-aromatic copolyetherester that comprises the polymerization product of 80.0 to 20.0 mole percent of an aromatic dicarboxylic acid or an ester thereof based on the total moles of dicarboxylic acid or ester thereof, 20.0 to 80.0 mole percent of an aliphatic dicarboxylic acid or an ester thereof based on the total moles of dicarboxylic acid or ester thereof, 0.1 to 10.0 mole percent of a sulfonate component, 99.9 to 91.0 mole percent of a first glycol selected from the group consisting of ethylene glycol, 1,3-propanediol and 1,4-butanediol based on the total moles of glycol, 0.1 to 4.0 mole percent of a poly(alkylene ether) glycol based on the total moles of glycol, 0 to 5.0 mole percent of an other glycol based on the total moles of glycol, and 0 to 5.0 mole percent of a polyfunctional branching agent.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: December 1, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Richard Allen Hayes
  • Publication number: 20090166613
    Abstract: The present invention relates to a composition for forming a gate insulating layer of an organic thin film transistor comprising polyarylate, and an organic thin film transistor comprising a gate insulating layer, which is formed using the composition, in contact with an organic semiconductor channel.
    Type: Application
    Filed: May 3, 2007
    Publication date: July 2, 2009
    Inventors: Jae-Min Lee, Hyeon Choi, Min-Jeong Lee, Hee-Jung Kim, Young-Whan Park, Dong-Ryul Kim
  • Publication number: 20090123767
    Abstract: Sulfonated aliphatic-aromatic polyester compositions having improved thermal properties and biodegradability, and articles such as films, coatings and laminates, produced from the sulfonated aliphatic-aromatic polyester compositions, are provided.
    Type: Application
    Filed: November 14, 2008
    Publication date: May 14, 2009
    Inventors: RAMESHCHANDRA M. GOHIL, Noel M. Hasty, Richard Allen Hayes, Joseph V. Kurian, Yuanfeng Liang, Edward J. Stancik, Marko Strukelj, Susan Yen-Tee Tseng
  • Patent number: 7521126
    Abstract: A readily-adhesive polyester film for optical applications that suppresses rainbow reflections under fluorescent lamps and has excellent adhesion to a hard coating layer and exhibits excellent adhesion at high temperatures and high humidities (resistance to humidity and heat) includes a biaxially-stretched polyester film and a coating layer that is stacked on at least one side of the polyester film and produced by applying to at least one side of the polyester film an aqueous coating liquid containing a resin composition including (A) an aqueous polyester resin and (B) at least one compound that is a water-soluble titanium chelate compound, a water-soluble titanium acylate compound, a water-soluble zirconium chelate compound or a water-soluble zirconium acylate compound as main components. The mixing ratio (A)/(B) is from 10/90 to 95/5 by weight. After that the coating is dried and then stretched in at least one direction.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: April 21, 2009
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Hiroshi Taki, Chikao Morishige, Harunobu Kuroiwa
  • Publication number: 20090087590
    Abstract: Disclosed is an optically anisotropic film comprising at least one compound having a partial structure represented by formula (1): where, each of R1, R2 and R3 independently represent a substituent; X represents a divalent linking group; “A” represents —COO—, —OCO—, or a substituted or non-substituted phenylene group, oxadiazole group or alkynylene group; Z represents a substituted or non-substituted alkyl group or aryl group; each of n1, n2 and n3 represents an integer of 0 to 4; and each of l, m and n represents an integer of 0 to 4.
    Type: Application
    Filed: September 25, 2008
    Publication date: April 2, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiro Aiki, Shinichi Morishima
  • Publication number: 20090036640
    Abstract: An oligomer removing agent for polyester-based fiber materials comprises a polyester copolymer which is obtained by polycondensation of a dibasic acid component containing 15-65 mol % of a sulfonate group-containing dibasic acid and a dihydric alcohol component containing polyethylene glycol with a molecular weight of 900-3500, and which has a 200° C. melt viscosity of 5000-23,000 mPa·s and has 10-40 mass % polyoxyethylene chains in the molecule. The oligomer removing agent is able to overcome the problems caused by deposition of polyester oligomers, when added to the dyeing bath in a dyeing step for polyester fiber materials or for fiber materials that are composites thereof with other fiber materials.
    Type: Application
    Filed: April 25, 2007
    Publication date: February 5, 2009
    Inventors: Masaaki Hosoda, Masatoshi Hayashi
  • Patent number: 7465779
    Abstract: A novel polyhydroxyalkanoate having a reactive functional group in a molecule, and a production method thereof, etc. are provided. By utilizing the vinyl group of polyhydroxyalkanoate which contains a unit having a vinyl group on a side chain, a polyhydroxyalkanoate which contains a carboxyl group and a unit having an amide group and a sulfonic acid group in a molecule is derived.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: December 16, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Kenmoku, Tatsuki Fukui, Chieko Mihara, Ako Kusakari, Tetsuya Yano
  • Publication number: 20080275203
    Abstract: The present invention relates to resin compositions for radical curing comprising a component (I) containing reactive carbon-carbon unsaturations and a component (II) containing XH-groups, with X not being C or O, which resin compositions (a) are substantially free of photoinitiators; (b.) have an average number of reactive carbon-carbon unsaturations of component (I) higher than 2; (c) have an average number of XH-groups of component (II) equal to or higher than 2, with at least one of the XH-groups of the XH-component being a thiol group, and; (d) whereby at least one of the average numbers of (b) and (c) is higher than 2; (e) and at most 5 mol % of the reactive unsaturations is capable of undergoing homopolymerisation; (f) respectively is present in the form of a mono-ene functional alkylene; and (g) the molar ratio of the XH-groups and of the reactive unsaturations is in the range of from 4:1 to 1:4; with the proviso that the RU component is not tris-(norborn-5-ene-2-carboxy) propoxypropane.
    Type: Application
    Filed: April 6, 2005
    Publication date: November 6, 2008
    Inventors: Johan Franz Gradus Antonius Jansen, Michael Alphonsus Cornelis Johannes Van Dijck, Marco Marcus Matheus Driessen
  • Publication number: 20080258355
    Abstract: The present invention relates to a sulfo-modified copolyester blend composition and polyglycolic acid. The blend of sulfo-modified copolyester and polyglycolic acid can be used to prepare containers with good transparency and high gas barrier properties. The preferred sulfo-modified copolyester composition comprises terephthalic acid, isophthalic acid and 5-sulfoisophthalic acid. A method of preparing a blend of sulfo-modified copolyester and polyglycolic acid is disclosed, as well as master batch processes. The present invention also relates to a method of making a container wherein the sulfo-modified copolyester is blended with the polyglycolic acid at an injection molding machine used to make preforms, which are then blown into bottles.
    Type: Application
    Filed: October 6, 2006
    Publication date: October 23, 2008
    Applicant: INVISTA North America S.a.r.l.
    Inventor: Sanjay Mehta
  • Patent number: 7425432
    Abstract: The invention provides a PHA copolymer including at least a 3-hydroxy-?-carboxyalkanoic acid represented by a formula (19) or (32) and simultaneously at least a unit represented by a formula (2) or a formula (3) in a molecule, a precursor PHA copolymer having a corresponding vinyl group or a corresponding alkoxycarbonyl group, a biosynthesis method thereof by microorganisms, and a method of producing a desired PHA copolymer from the precursor PHA copolymer: (wherein k, m, n are integers; R18 represents H, Na, K, R27? represents (A); R1 represents a substituent on a cyclohexyl group and represents H, CN, NO2, a halogen atom, CH3, C2H5, C3H7, CF3, C2F5, or C3F7; R includes a residue including a phenyl structure or a thienyl structure; these being independent for each unit).
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: September 16, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Kenmoku, Tetsuya Yano, Chieko Mihara, Shinya Kozaki, Tsutomu Honma, Tatsuki Fukui, Takeshi Imamura, Etsuko Sugawa
  • Publication number: 20080114149
    Abstract: The invention relates generally to polymers derived from monomers having aromatic superacidic functional groups. The superacidic functional groups comprise fluorinated sulfonate moieties. Polymers provided by the present invention include polyethers, polyesters, polycarbonates, polyestercarbonates, polyetherketones, and polyethersulfones among others. The polymers provided by the present invention include block and random copolymers. In one embodiment, the present invention provides a polyetherketone-polyethersulfone block copolymer comprising superacidic functional groups. Polymers comprising superacidic functional groups are useful materials in membrane applications. The superacidic functional groups present in the new polymer compositions impart excellent proton conductivities. In one embodiment, the present invention provides polymers useful as materials for polymer electrolyte fuel cell membranes.
    Type: Application
    Filed: November 14, 2006
    Publication date: May 15, 2008
    Applicant: General Electric Company
    Inventors: David Roger Moore, Hongyi Zhou, Daniel Joseph Brunelle, Marianne Elisabeth Harmon, Joyce Hung
  • Patent number: 7358325
    Abstract: Sulfonated aromatic copolyesters and articles made therefrom, and processes for producing the sulfonated aromatic copolyesters and articles are provided. Articles that can be made from the sulfonated aromatic copolyesters include films, coatings and laminates. Some of the compositions and articles are biocompostable. The films can further be used to form shaped articles such as sheets, food packaging such as sandwich wraps, thermoformed containers, and coatings for, for example, films and other substrates. The sulfonated aromatic copolyesters contain a hydroxyalkanoic acid component.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: April 15, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard Allen Hayes
  • Patent number: 7291693
    Abstract: The present invention specifically contemplates a polymer, preferably an electrically conductive polymer, derived from substituted pyrrolyl moieties.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: November 6, 2007
    Assignee: Massachusetts Institute of Technology
    Inventors: Venkatram Prasad Shastri, Alexander Zelikin, David Lynn, Robert S. Langer, Ivan Martin
  • Patent number: 7196159
    Abstract: A process for the production of polytrimethylene terephthalate (PTT), wherein the process comprises: (i) one or more esterification steps, wherein terephthalic acid (TPA) or an alkyl diester of terephthalic acid is reacted with 1,3-propanediol (PDO); and (ii) one or more subsequent polycondensation steps, wherein the process further comprises the addition of a protic acid, other than terephthalic or isophthalic acid, before and/or during the one or more esterification steps, wherein the protic acid has a dissociation constant of at most 4 (pKa measured in water at 25° C.), and wherein the total amount of protic acid added before and/or during the one or more esterification steps is in the range of from 0.001 to 10 millimole of acid per kilogram of polytrimethylene terephthalate produced.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: March 27, 2007
    Assignee: Shell Oil Company
    Inventors: Donald Ross Kelsey, Cecilia Zuqi Tse, Emery Don Johnson
  • Patent number: 7193029
    Abstract: The present invention provides certain sulfonated copolyetherester compositions containing hydroxyalkanoic acids and processes for producing such sulfonated aromatic copolyetheresters. The invention further provides shaped articles, preferably in the shape of films, coatings and laminates, having improved thermal properties, wherein the shaped articles are produced from the certain sulfonated copolyetherester compositions. Some of these materials are also biocompostable. The sulfonated copolyetheresters are produced from a mixture of an aromatic dicarboxylic acid component, hydroxyalkanoic acid component, a sulfonate component, a poly(alkylene ether) glycol component, a glycol component, an optional other glycol component, an optional branching agent, and an optional color reducing agent.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: March 20, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard Allen Hayes
  • Patent number: 7157548
    Abstract: The present invention relates to a new sulfonated polyimides, more specifically to new methods for preparing the polyimides, and cation exchange membranes containing the polyimides. The sulfonated polyimides of the presented invention have excellent proton conductivity and low preparation cost.
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: January 2, 2007
    Assignee: Hanyang Hak Won Co., Ltd.
    Inventors: Young-Moo Lee, Ho-Burn Park, Chang-Hyun Lee
  • Patent number: 7052764
    Abstract: A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate having improved stability in the form of less change of Tg and reduced shrinkage upon storage at elevated temperature is disclosed.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: May 30, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jing-Chung Chang, Joseph V. Kurian
  • Patent number: 6979719
    Abstract: The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a process for curing the present coating composition. Further, a process for making a bicyclo-orthoester-functional compound from the corresponding oxetane compound is described.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: December 27, 2005
    Assignee: Akzo Nobel N.V.
    Inventors: Klaus Hobel, Huig Klinkenberg, Arie Noomen
  • Patent number: 6911521
    Abstract: A polyhydroxyalkanoate that comprises a unit represented by the following chemical formula (1): wherein R1 is a substituent of an aromatic ring selected from the group consisting of H, CH3, C2H5, CH3CH2CH2, (CH3)2CH, (CH3)3C, a halogen atom, CN, NO2, COOR?, and SO2R?, wherein R? is selected from the group consisting of H, Na, K, CH3, and C2H5, and R? is selected from the group consisting of OH, a halogen atom, ONa, OK, OCH3, and OC2H5; and x represents an integer of 1 to 8 being the same or different each other in the polyhydroxyalkanoate. A method for producing the polyhydroxyalkanoate is also provided.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: June 28, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Kenmoku, Etsuko Sugawa, Tetsuya Yano, Tsuyoshi Nomoto, Takeshi Imamura, Tomohiro Suzuki, Tsutomu Honma
  • Patent number: 6908957
    Abstract: Electron donor compounds, suitable for use as adhesives or as components in adhesives, contain a carbon to carbon double bond attached to an aromatic ring and conjugated with the unsaturation in the aromatic ring.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: June 21, 2005
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Osama M. Musa, Donald E. Herr, Nikola A. Nikolic
  • Patent number: 6872460
    Abstract: The invention relates to biaxially oriented, co-extruded polyester films. Said films comprise a base layer which consists of at least 70% by weight of a thermoplastic polyester, preferably polyethylene terephthalate (PET) with a diethylene glycol and/or polyethylene glycol content greater than 1.3% by weight and have at least one matt outer layer and optionally additional intermediate layers. The films also contain at least one UV-absorber, preferably hydroxy benzotriazoles and triazines. The films are characterized by high UV-stability, no embrittlement after exposure to temperature, a matt surface devoid of unwanted clouding and excellent thermoforming properties and are, together with the molded bodies produced therefrom, suitable for numerous interior and exterior applications.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: March 29, 2005
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Ursula Murschall, Ulrich Kern, Guenther Crass