Phosphorus-containing Reactant Patents (Class 528/287)
  • Patent number: 7115686
    Abstract: A water-dilutable polyester resin ABCD having a mass fraction of from 1 to 10% of units derived from unsaturated cocondensed building blocks, an olefinic double bond content of from 10 to 2 000 mmol/kg, and a sulfonic acid group content of from 20 to 300 mmol/kg, modified if desired by copolymerizing olefinically unsaturated monomers in the presence of the polyester resin, a process for preparing them, and their use in particular in one-component coating compositions in combination with amino resin curatives.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: October 3, 2006
    Assignee: Surface Specialties Austria GmbH
    Inventors: Gerhard Reidlinger, Johann Billiani, Rudolf Jedlicka, Ewald Zrin, Julius Burkl, Johannes Scherz
  • Patent number: 7087299
    Abstract: Polyester fibers having an individual fiber thickness of 0.1 to 10 dtex are produced from a polyester polymer produced by polycondensing an aromatic dicarboxylate ester in the presence of a catalyst including a mixture of a Ti compound component (A) including at least one member selected from titanium alkoxides and reaction products of the titanium alkoxides with a specific type of carboxylic acids or anhydrides thereof, with a specific P compound component (B), and/or a reaction product of a Ti compound component (C) with a specific P compound component (D). The resultant fibers have a good color tone (a low b value) a stable drawing and false-twisting processability and exhibit excellent appearance and performance.
    Type: Grant
    Filed: December 26, 2003
    Date of Patent: August 8, 2006
    Assignee: Teijin Fibers Limited
    Inventors: Masahiro Konishi, Tsuyoshi Masuda, Hiroyuki Osaka, Keijiro Hattori
  • Patent number: 7033732
    Abstract: Disclosed are an organic anti-reflective coating polymer having a structure represented by the following formula I which is introduced to the top portion of photoresist, its preparation method and an anti-reflective coating composition, in a process for forming ultra-fine patterns of photoresist for photolithography by using 193 nm ArF or 157 nm VUV light source. More particularly, the present invention provides an organic anti-reflective coating polymer capable of protecting a photoresist from amine to improve the stability of a post exposure delay and to minimize pattern distortion caused by a swing phenomenon during a patterning process, its preparation method and an anti-reflective coating composition comprising the same. [formula I] wherein each of m and n is an integer ranging from 5 to 5,000.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: April 25, 2006
    Assignee: Hynix Semiconductor Inc.
    Inventor: Geun Su Lee
  • Patent number: 7026035
    Abstract: There is provided a laminated film for optical use comprising a polyester film which has a lubricity layer containing globular particles in at least one side thereof, wherein the laminated film has a thickness irregularity of 0.5 to 7.0%, and wherein the polyester film contains inert particles derived from catalysts and the amount of the inert particles determined by a dark-field microscopy satisfies the following conditions: the number of inert particles having a particle size of from 1 to 10 ?m is 200 to 20,000/mm2; and the number of inert particles having a particle size of greater than 10 ?m is 10/mm2 or less. The laminated film for optical use which is improved in uniformity, transparency, lubricity, color tone and scratch resistance, which deposits only a reduced amount of low molecular materials, and which is excellent in the adhesion to a layer adopted for various optical purposes.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: April 11, 2006
    Assignee: Teijin DuPont Films Japan Limited
    Inventors: Shinji Yano, Kouji Kubo, Makoto Handa, Tetsuo Ichihashi, Kei Mizutani, Shigeyuki Watanabe
  • Patent number: 6998462
    Abstract: Disclosed is a process that comprises contacting, in the presence of an esterification or transesterification or polycondensation catalyst composition, a toner, and a phosphorus compound, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: February 14, 2006
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jiwen F. Duan, Donald E. Putzig
  • 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: 6855799
    Abstract: A polymeric composition, a process for producing the composition, and a process for using the composition in, for example, hydrocyanation or isomerization are disclosed. The composition comprises repeat units derived from (1) a carbonyl compound, a monomer, and phosphorochloridite; (2) phosphorus trichloride, a polyhydric alcohol, and an aromatic diol; or (3) combinations of (1) and (2) in which the monomer can be a polyhydric alcohol, an amine, combinations thereof. The composition can further comprise a Group VIII metal and optionally a Lewis acid.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: February 15, 2005
    Inventors: Wilson Tam, Sigridur Soley Kristjansdottir, Robin Nikolas Greene
  • Patent number: 6852388
    Abstract: The invention relates to a single- or multilayer, biaxially oriented film based on a crystallizable polyester and comprising at least one primary stabilizer for inhibiting oxidative degradation. The crystallizable polyester comprises from 100 to 10 000 ppm of primary stabilizer in covalently bonded form. The invention further relates to a process for producing the film.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: February 8, 2005
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Ursula Murschall, Ulrich Kern, Rainer Kurz, Holger Kliesch, Bodo Kuhmann
  • Patent number: 6783827
    Abstract: The present invention relates to a method for decreasing the cyclic oligomer content level in the manufacturing process of polyethylene terephthalate (PET) and in the PET products produced from said process by adding calcium phosphate at least one selected from the group consisting of a Ca3(PO4)2 structure and a Ca5OH(PO4)3 structure, and a carboxy phosphonic acid having a structure (1) as follows: wherein R1, R2, and R3 are alkyls or hydrogen atoms and R is an alkyl. The method of the prevent invention restrains the production of cyclic oligomers in the polyester chips produced and also decreases the cyclic oligomers regenerated in the rear-end melting process stage of the invention.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: August 31, 2004
    Assignee: Nan Ya Plastics Corporation
    Inventor: Zo-Chun Jen
  • Patent number: 6777099
    Abstract: Polyester films which comprise a stabilizer for inhibiting oxidative degradation, at least some of which has been covalently incorporated into the polymer chain of the polyester through polycondensation during formation of the polyester, have not only high resistance to oxidation but also very few surface defects and high stability during processing, and are suitable not only for use as a packaging material but for a wide variety of other technical applications.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: August 17, 2004
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Kazuo Tano, Ursula Murschall, Holger Kliesch
  • Publication number: 20040068089
    Abstract: The invention relates to a process for preparing stabilized compositions based on polyamide. The stabilizer is a phosphorus stabilizer selected from phosphorous acid and hypophosphorous acid. It is introduced before or during the polymerization of the polyamide. The use of these stabilizers prevents foaming phenomena.
    Type: Application
    Filed: October 30, 2003
    Publication date: April 8, 2004
    Inventors: Thierry Charbonneaux, Jean-Francois Thierry
  • Patent number: 6657036
    Abstract: The invention relates to polycondensation resins which are prepared by polycondensation of compounds having a low molecular weight and separation of small molecules in the presence of at least one hetergeneous catalyst. The invention also relates to polyaddition resins which are prepared by polyaddition in the presence of at least one heterogeneous catalyst. The invention further relates to the use of said polycondensation resins and polyaddition resins for the preparation of moulded parts, adhesives and coating materials.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: December 2, 2003
    Assignee: BASF Coatings AG
    Inventors: Werner-Alfons Jung, Heinz-Peter Rink, Eberhard Fuchs, Wolfgang Straehle
  • Patent number: 6639017
    Abstract: The invention relates to flame-retardant, unsaturated polyester resins made from unsaturated and saturated dicarboxylic acids and/or their anhydrides, from polyhydric alcohols, from one or more monomers and from a reactive phosphorus compound, which contain structural units of the formula IV where R1 is straight-chain or branched alkyl, cycloalkyl, aryl or alkylaryl groups having from 1 to 18 carbon atoms and R2 is methyl or hydrogen. The invention likewise relates to a process for preparing such polyester resins and to their use.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: October 28, 2003
    Assignee: Clariant GmbH
    Inventors: Sebastian Hörold, Hans-Peter Schmitz
  • Patent number: 6632917
    Abstract: A preblended additive composition and process for the preparation of polyester resins useful in the manufacture of plastic containers such as bottles is disclosed. The additive composition includes a cobalt-containing compound that is preblended with a phosphorous compound. The polyester resin, e.g., a PET resin, may be prepared by reacting ethylene glycol with dimethyl terephthalate (DMT) or terephthalic acid (TA) in an esterification reaction. The additive composition may be prepared by quickly dumping the phosphorus compound into the cobalt compound such as cobalt acetate, and the resulting composition is added to the reactor vessel before the polycondensation reaction. On the other hand, the additive composition may be prepared by slowly dumping the phosphorus compound into the cobalt compound over a period of at least 5 minutes. Such preblending substantially eliminates any yellow or blue color, or haze in the product article.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: October 14, 2003
    Assignee: Arteva North America S.A.R.L.
    Inventors: Rehka V. Kulkarni, Ligia Dominguez
  • Patent number: 6632891
    Abstract: A flame-retardant resin composition comprising a phosphazene flame retardant and a polyester resin, wherein the flame retardant is bonded to the molecules of the polyester resin via the ester group thereof, can retain a high flame retardance for a prolonged term with little or no vaporization with time and is excellent in flame retardance, impact resistance, properties and processability.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: October 14, 2003
    Assignee: Otsuka Kagaku Kabushiki Kaisha
    Inventors: Yuji Tada, Yoichi Nishioka, Tadao Yabuhara, Takashi Kameshima, Shinji Nakano
  • Patent number: 6630564
    Abstract: To a copolyester reacted essentially by terephthalic acid components and ethylene glycol units, adding 1% to 15 weight % of specific diol unit selected from the group consisting of at least one of 2-butyl-2-ethyl-1,3-propanediol, 3-methyl-1,5-pentanediol, 2,4-diethyl-1,5-pentanediol and hydroxypivalyl hydroxypivalate; or adding 0 to 1.0 mole % of mulfunctional group components consisting of at least one or more of trimellitic acid, trimellitic anhydride and trimethylol propane; and adding 0.01 to 0.5 weight % of compound represented by the following formula: can improve the color hue of the copolyester, and increase the reaction rate of the copolyester subjecting to solid phase polymerization, therefore improve the color hue of the shaped articles produced therefrom; furthermore, reduce the decline degree of the intrinsic viscosity after melt processing.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: October 7, 2003
    Assignee: Nan Ya Plastics Corporation
    Inventor: Zo-Chun Jen
  • Patent number: 6629833
    Abstract: A transparent conductive film (1) having a transparent plastic film (11) and a transparent conductive thin film (12) formed on at least one side thereof, characterized in that a resin layer (P) containing an ionic group in the range of 20 to 1000 eq/ton is provided between the transparent plastic film and the transparent conductive thin film and the ionic group containing resin has a cross-linked structure. The transparent conductive film has excellent adhesion to other conductive thin films and therefore exhibits excellent durability to input with a pen when used in touch panels.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: October 7, 2003
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Toshiyuki Ohya, Tetsuo Shimomura, Yozo Yamada
  • Publication number: 20030166827
    Abstract: The invention relates to a cladding resin composition curable by heat, ultraviolet radiation, an electron beam or the like. The composition comprises a polyoxyalkylene polyol phosphate ester (hydroxyl value: 10-2,000 mg KOH/g) and a polymerizable or reactive functional group-containing compound. This composition is highly conductive as it is and, without incorporation of the conventional conductive additives, can be used successfully in the field of coatings and protective films where electric conductivity is a requisite.
    Type: Application
    Filed: April 1, 2003
    Publication date: September 4, 2003
    Applicant: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Tetsuo Shiraiwa, Shigeo Mori
  • Patent number: 6610796
    Abstract: Disclosed is a flame retardant polybutyleneterephthalate resin prepared be copolymerizing a phosphorus-based flame retardant represented by the following formula I and a butyleneterephthalate unit: wherein R1 and R2 are different or the same and are methyl or butyl including a hydroxyl group.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: August 26, 2003
    Assignee: Kolon Industries Inc.
    Inventors: Young-Ik Seo, Chung-Seock Kang, Tae-Gun Choi, Jun-Myoung Song
  • Patent number: 6599947
    Abstract: A dispersant of formula 1 wherein R is hydrogen or a polymerisation termination group; Z is an acidic or basic group or a moiety containing either an acidic or basic group; A is C3-7alkylene optionally substituted by alkyl; Gly is oxymethylenecarbonyl; n and m are integers; and n+m is from 2 to 100. The dispersants are used to disperse particulate solids such as pigments in paints and inks. Examples of the dispersants include mixed polyester chains derived from &egr;-caprolactone and/or &dgr;-valerolactone with glycolic acid where the mixed polyester chain is reacted with either a polyalkyleneimine or with a phosphating agent.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: July 29, 2003
    Assignee: Avecia Limited
    Inventor: Dean Thetford
  • Patent number: 6552159
    Abstract: The invention relates to a cladding resin composition curable by heat, ultraviolet radiation, an electron beam or the like. The composition comprises a polyoxyalkylene polyol phosphate ester (hydroxyl value: 10-2,000 mg KOH/g) and a polymerizable or reactive functional group-containing compound. This composition is highly conductive as it is and, without incorporation of the conventional conductive additives, can be used successfully in the field of coatings and protective films where electric conductivity is a requisite.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: April 22, 2003
    Assignee: Dao-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Tetsuo Shiraiwa, Shigeo Mori
  • Publication number: 20030073805
    Abstract: Compounds of formula (I), wherein each of R and R′ are independently selected from hydrogen, a hydroxyl group, a carboxyl group, an alkyl, aryl or alkaryl group or a hydroxy or carboxy substituted alkyl, aryl or alkaryl group, provided that R R′, together have a total of less than 23 carbon atoms, R″ may either be hydrogen or a CHR═CR1 group or be selected from the same categories as R′″; R′″ is a group, or polymeric chain comprising from 1 to 100,000 groups, said group or groups being derived form at least one ethylenically unsaturated compound wherein the double bond is activated by an adjacent electron withdrawing group, and n is greater than 1 are novel, are useful corrosion inhibitors and are valuable intermediates in preparing telomers for use in water treatment.
    Type: Application
    Filed: October 9, 2002
    Publication date: April 17, 2003
    Inventors: Keith Philip Davis, Graham Philip Otter, Gary Woodward
  • Patent number: 6538098
    Abstract: Polyketones are manufactured by reacting an aromatic carboxylic acid with a biractive aromatic compound, using as a catalyst a combination of a carboxylic acid anhydride and phosphoric acid, or equivalent thereof. The product polymers are useful as molding resins.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: March 25, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Marc Bruce Goldfinger
  • Patent number: 6534597
    Abstract: Polymerizable ester surfactant, or a salt thereof, having the formula: R1—C(O)—R2—X wherein: R1 is an optionally substituted vinyl radical, R2 is a divalent polyoxyalkylene radical having at least two oxypropylene units, optional oxyethylene units in a block or random pattern, and a molar ratio oxypropylene units to oxyethylene units of at least about 2:1, preferably at least about 3:1, typically at least about 4:1 and more typically at least about 5:1, and X is a phosphate group, wherein in the ester the mono-phosphate ester to di-phosphate ester weight ratio is greater than 80:20. These polymerizable surfactant compounds are useful as the sole surfactant in producing polymer latices by emulsion polymerization by polymerization of them with another polymerizable monomer.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: March 18, 2003
    Assignee: Rhodia, Inc.
    Inventors: Herve Adam, Hui Shirley Yang, Jonathan D. Kiplinger, Eugene J. Anderson, Jr., Ning Chen, Robert Lee Reierson
  • Patent number: 6525165
    Abstract: An aromatic polyester film, which comprises an aromatic polyester comprising 2,6-naphthalenedicarboxylic acid as the main dicarboxylic acid component and 1,3-propanediol as the main diol component and having a density of at least 1.310 g/cm3. A laminated film comprising another polyester layer can be formed from this aromatic polyester film. An aromatic polyester containing a small amount of a sulfonic acid phosphonium salt used as one of the aromatic polyesters forming this laminated film is excellent in electrostatic casting properties and resistance to the contamination of an electrostatic wire, and an aromatic polyester containing an inorganic anti-fungus agent is used for antifungal application.
    Type: Grant
    Filed: January 3, 2001
    Date of Patent: February 25, 2003
    Assignee: Teijin Limited
    Inventors: Ryoji Tsukamoto, Takafumi Kudo, Masahiko Kosuge, Tomokatsu Ura, Hideshi Kurihara, Shinichi Kawai, Shinya Watanabe, Koji Furuya, Makoto Handa, Kenji Suzuki
  • Publication number: 20020155092
    Abstract: Featured are biodegradable polymers comprising repeat units derived from cyclic phosphate monomers and optionally further comprising repeat units derived from lactide or caprolactone monomers. Also featured are methods for preparing the biodegradable polymers of the invention and biodegradable polymer compositions comprising a biologically active substance and a biodegradable polymer. Additionally featured are articles and microspheres prepared from biodegradable polymers and polymer compositions of the invention. Further, methods for the controlled release of a biologically active substance using the biodegradable polymers of the invention are also described.
    Type: Application
    Filed: March 10, 2001
    Publication date: October 24, 2002
    Inventors: Kam Leong, Wen Jie, Ren-Xi Zhuo, Hai-Quan Mao
  • Patent number: 6469078
    Abstract: This invention relates to a process for increasing the molecular weight and/or for the modification of polycondensates during the processing in the melt, which comprises adding to the polycondensate a blend comprising a) at least one polyfunctional anhydride (polyanhydride); b) at least one polyfunctional compound, the functional groups of which can react with the anhydride groups of component a); and c) at least one phosphonate. This invention also relates to the use of an additive blend for increasing the molecular weight and for the modification of polycondensates during the processing in the melt.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: October 22, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dirk Simon, Rudolf Pfaendner, Heinz Herbst
  • Publication number: 20020151617
    Abstract: Biodegradable polymers are described comprising the recurring monomeric units shown in formula I or II: 1
    Type: Application
    Filed: January 15, 2002
    Publication date: October 17, 2002
    Inventors: Hai-Quan Mao, Kam W. Leong, Zhong Zhao, James P. English
  • Patent number: 6455664
    Abstract: In a process for producing PCCD polyester of the formula by reacting a starting CHDM and a starting DMCD in the presence of a catalyst to produce an aliphatic alcohol and an acid interchange oligomer and forming a low viscosity PCCD, and reacting the intermediate PCCD by solid state polymerization for increasing the molecular weight of to form a PCCD having melting temperature of about 225 to about 234 degrees Centigrade and a viscosity from about 2,000 to about 20,000 poise.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: September 24, 2002
    Assignee: General Electric Company
    Inventors: Bimal Ramesh Patel, Gary Francis Smith
  • Publication number: 20020132963
    Abstract: In a process for producing a reactor grade polyester, a poly(1,4-cyclohexylenedimethylene 1,4-cyclohexanedicarboxylate) has a reduced amount of isomerization of the trans-isomer to the cis-isomer of 1,4-dimethylcyclohexanedicarboxylate and an increased polymerization rate by the addition of a phosphorus-containing compound to the reaction process. In step (a) of the process, a diacid comprising at least 80 mole percent 1,4-cyclohexanedicarboxylic acid or an ester derivative of the diacid comprising at least 80 mole percent 1,4-dimethylcyclohexanedicarboxylate is reacted with a glycol comprising at least 80 mole percent 1,4-cyclohexanedimethanol at a temperature sufficient to effect esterification for the diacid or transesterification for the ester derivative. In step (b), the product of step (a) is subjected to temperatures and pressures in the presence of a suitable catalyst to effect polycondensation.
    Type: Application
    Filed: January 18, 2001
    Publication date: September 19, 2002
    Inventor: Donna Rice Quillen
  • Patent number: 6423774
    Abstract: The present invention is directed to an electrodepositable composition of a resinous phase dispersed in an aqueous medium. The resinous phase includes an ionic polyester polymer prepared from a) an aromatic and/or cycloaliphatic carboxylic acid compound having at least two aromatic and/or secondary aliphatic carboxyl groups, b) a branched aliphatic, cycloaliphatic or araliphatic compound containing at least two aliphatic hydroxyl groups, the aliphatic hydroxyl groups being either secondary or tertiary hydroxyl groups or primary hydroxyl groups attached to a carbon adjacent to a tertiary or quaternary carbon, c) a compound including an ionic salt group or a group which is converted to an ionic salt group, and d) optionally, at least one hydroxyl substituted carboxylic compound comprising at least one tertiary aliphatic carboxyl group and at least two aliphatic hydroxyl groups.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: July 23, 2002
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Steven R. Zawacky, Raphael O. Kollah, Craig A. Wilson, Gregory J. McCollum, Robin M. Peffer, Geoffrey R. Webster, Jr., Venkatachalam Eswarakrishnan, Linda K. Anderson
  • Patent number: 6419709
    Abstract: An essentially non-osteoconductive medical device is described comprising a biodegradable terephthalate copolymer comprising the recurring monomeric units shown in formula I: wherein R is a divalent organic moiety; x is ≧1; and n is 3-7,500, where the biodegradable polymer is sufficiently pure to be biocompatible and is capable of forming biocompatible residues upon biodegradation. Compositions containing the copolymers and biologically active substances, articles useful for implantation or injection into the body fabricated from the compositions, and methods for controllably releasing biologically active substances using the copolymers, are also described.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: July 16, 2002
    Assignees: Guilford Pharmaceuticals, Inc., John Hopkins University School of Medicine
    Inventors: Hai-quan Mao, Kam W. Leong, Zhong Zhao, Wensin Dang, James P. English, David P. Nowotnik
  • Patent number: 6403755
    Abstract: A new phosphazene-based polyester macro-molecule is provided, as is a method for producing the macro-molecule.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: June 11, 2002
    Assignee: The United States of America as represented by the Department of Energy
    Inventors: Frederick F. Stewart, Thomas A. Luther, Mason K. Harrup
  • Patent number: 6392005
    Abstract: The present invention relates to a manufacturing method for decreasing the cyclic oligomer content in polyester which effectively restrains the production of the cyclic oligomer in ester chips and further decreases the amount of regenerated cyclic oligomer at the melting process stage by adding the additive, during the process of manufacturing polyethylene terephthalate, with the following structure:
    Type: Grant
    Filed: May 14, 2001
    Date of Patent: May 21, 2002
    Assignee: Nan Ya Plastics Corporation
    Inventor: Zo-Chun Jen
  • Patent number: 6383433
    Abstract: The present invention provides a copolyester fiber consisting of a copolyester with primarily C2-4 alkylene terephthalate units and a process for producing these copolyester fibers. The copolyester contains more than 4 wt % up to 12 wt % poly(C2-4 alkylene glycol) units and 60 to 260 ppm pentaerythritol units and/or a total of 150 to less than 2500 ppm carboxy methylene phosphonic acid units and/or carboxy ethylene phosphonic acid units polymerized into it.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: May 7, 2002
    Assignee: Zimmer Aktiengesellschaft
    Inventor: Heinz-Dieter Schumann
  • Patent number: 6380349
    Abstract: The present invention relates to golf equipment, such as golf shoes, golf clubs, golf gloves, or portions thereof, formed from compositions comprising a sulfonated, carboxylated, or phosphonated acid moieties, or a mixture thereof. The preferred ionomer composition comprises sulfonated thermoplastic elastomers, sulfonated thermoplastic polymers, sulfonated thermoset polymers, and mixtures thereof. The compositions include a blend of about 1 weight % to about 99 weight % of at least one sulfonated, carboxylated, or phosphonated ionomer and about 99 weight % to about 1 weight % of at least co-component polymer. The co-component polymer may be a conventional ionomer, a thermoplastic, a thermoplastic elastomer, a thermoset polymer, or mixtures thereof.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: April 30, 2002
    Assignee: Acushnet Company
    Inventor: Murali Rajagopalan
  • Patent number: 6365315
    Abstract: The invention relates to a process for the production of spherical, polyester particles, wherein the particle size can be exactly adjusted in the range of 1 to 200 &mgr;m and a particle size distribution with a span (=d90−d10/d50)≦1.5, as well as the use of the produced particles for toner compositions in electrophotographic and direct printing systems and powder coatings.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: April 2, 2002
    Assignee: Ticona GmbH
    Inventors: Stefan Wulf, Alexandra Jacobs, Volker Mörs, Toshio Shiwaku, Benett Clayton Ward
  • Patent number: 6342579
    Abstract: Disclosed is a method for preparing polyester resins copolymerized with 1,4-cyclohexanedimethanol. In the preparation method, ethylene glycol and 1,4-cyclohexanedimethanol are fed with the molar ratio of the whole glycol component to terephthalic acid ranging from 1.3 to 3.0, and then esterified.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: January 29, 2002
    Assignee: SK Chemical Co., Ltd.
    Inventors: Jae-Young Jeon, Yoon-Hee Hong
  • Patent number: 6342638
    Abstract: The invention relates to triarylphosphine oxide derivatives containing fluorine substituents that are useful as a monomer in preparation of polymers with improved properties such as chemical resistance and electrical insulating property as well as adhesiveness and flame retardancy. The triarylphosphine oxide derivatives containing fluorine substituents are represented by the chemical formula 1: wherein R1 and R2 are independently a fluorine-substituted alkyl group; and X is hydrogen, a nitro group, or an amine group.
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: January 29, 2002
    Assignee: Kwangju Institute of Science and Technology
    Inventors: Tae-Ho Yoon, Kwang Un Jeong
  • Publication number: 20020004578
    Abstract: To increase the melt strength and increase high shear thinning of a polyester composition, a polar chain terminator that contains a nonionic group or an ionic group neutralized with a counterion is added at a level of 0.05 to 20 mole percent. Optionally, up to 2.0 mole percent of a tri-functional or greater branching agent is added to the polyester composition. Optionally, up to 30 mole percent of a polar midchain difunctional monomer that contains a nonionic group or an ionic group neutralized with a counterion is added. The polyester composition is based on 100 mole percent diacid component and 100 mole percent glycol component.
    Type: Application
    Filed: February 22, 2001
    Publication date: January 10, 2002
    Inventors: Marcus David Shelby, Timothy Edward Long, Marc Alan Strand
  • Publication number: 20010056173
    Abstract: Disclosed is a method for preparing polyester resins copolymerized with 1,4-cyclohexanedimethanol. In the preparation method, ethylene glycol and 1,4-cyclohexanedimethanol are fed with the molar ratio of the whole glycol component to terephthalic acid ranging from 1.3 to 3.0, and then esterified.
    Type: Application
    Filed: January 2, 2001
    Publication date: December 27, 2001
    Inventors: Jae-Young Jeon, Yoon-Hee Hong
  • Patent number: 6296950
    Abstract: A method of producing a thermotropic liquid crystalline copolyester having an extremely small amount of out-gases comprising the steps of: (1) charging in a reactor 5-100 mol % of aromatic hydroxycarboxylic acid, 0-47.5 mol % of aromatic dicarboxylic acid and 0-47.5 mol % of aromatic diol, so that the sum of mol % of each material is 100 mol % and the molt of aromatic dicarboxylic acid and that of aromatic diol are substantially equal; (2) adding acetic anhydride of an amount which satisfies the formula, (B-C)/A≧1.04, “A” representing the total molar number of the hydroxy group in a reaction system, “B” representing the molar number of acetic anhydride to be added, and “C” representing the molar number of water present in the reaction system prior to addition of acetic anhydride; (3) acetylation; (4) melt polymerization; and (5) solid-phase polymerization.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: October 2, 2001
    Assignee: Nippon Petrochemical Co., LTD
    Inventors: Satoshi Murouchi, Yoshikuni Yamada, Toshitaka Kobayashi
  • Patent number: 6284865
    Abstract: A polymeric composition, a process for producing the composition, and a process for using the composition in, for example, hydrocyanation or isomerization are disclosed. The composition comprises repeat units derived from (1) a carbonyl compound, a monomer, and phosphorochloridite; (2) phosphorus trichloride, a polyhydric alcohol, and an aromatic diol; or (3) combinations of (1) and (2) in which the monomer can be a polyhydric alcohol, an amine, combinations thereof. The composition can further comprise a Group VIII metal and optionally a Lewis acid.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: September 4, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Wilson Tam, Sigridur Soley Kristjansdottir, Robin Nikolas Greene
  • Publication number: 20010012882
    Abstract: A method for the preparation of a succinimide copolymer by the catalytic co-polymerization of aspartic acid with a selected polyfunctional monomer in the presence of a cyclic carbonate solvent. Succinimide copolymers of relatively high weight average molecular weight and high purity can be produced in relatively high yields while employing a relatively low catalyst loading.
    Type: Application
    Filed: March 5, 2001
    Publication date: August 9, 2001
    Applicant: Donlar Corporation
    Inventors: Grigory Ya. Mazo, Robert J. Ross, James F. Kneller, Jacob Mazo
  • Patent number: 6268465
    Abstract: An aliphatic polyester amide which is hydrolysis-resistant includes a ternary polycondensation product of monomeric constituents composed of a monomeric constituent A which is at least one diol having a general formula: HO—R1—OH, where R1 is an aliphatic residue having 2-16 carbon atoms; a monomeric constituent B which is at least one dicarboxylic acid having a general formula: HOOC—R2—COOH, where R2 is an aliphatic residue having 1-14 carbon atoms; and a monomeric constituent C which is at least one diamine having a general formula: H2N—R3—NH2, where R3 is an aliphatic residue having 2-16 carbon atoms and is present in an amount of up to about 5% by weight based on total weight of the monomeric constituents, wherein polycondensation proceeds in the presence of a catalyst comprised of constituent D, which is a metal-containing catalyst, in combination with constituent E, which is at least one of an organic phosphorus compound and an inorganic phosphorus compound, and wherei
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: July 31, 2001
    Assignee: BK Giulini Chemie GmbH Co OHG
    Inventors: Gudrun Chomiakow, Hasan Ulubay, Emil Wilding
  • Patent number: 6261686
    Abstract: The present invention provides a copolyester fiber consisting of a copolyester with primarily C2-4 alkylene terephthalate units and a process for producing these copolyester fibers. The copolyester contains more than 4 wt % up to 12 wt % poly(C2-4 alkylene glycol) units and 60 to 260 ppm pentaerythritol units and/or a total of 150 to less than 2500 ppm carboxy methylene phosphonic acid units and/or carboxy ethylene phosphonic acid units polymerized into it.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: July 17, 2001
    Inventor: Heinz-Dieter Schumann
  • Patent number: 6245862
    Abstract: The present invention relates to a golf ball, comprising a cover, a core and optional intermediate layers, wherein the various ball components are formed from compositions comprising a sulfonated and/or phosphonated ionomer. The sulfonated and/or phosphonated ionomer preferably comprises sulfonated thermoplastic elastomers, sulfonated thermoplastic polymers, sulfonated thermoset polymers and mixtures thereof. The compositions include a blend of about 1 wt. % to about 99 wt. % of at least one sulfonated and/or phosphonated ionomer and about 99 wt. % to about 1 wt. % of at least co-component polymer. The co-component polymer may be a conventional ionomer, a thermoplastic, a thermoplastic elastomer, a thermoset polymer or mixtures thereof.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: June 12, 2001
    Assignee: Acushnet Company
    Inventor: Murali Rajagopalan
  • Patent number: 6245880
    Abstract: A polyester having a good color tone can be obtained by using, as an ester-forming component, a compound derived from an organophosphorous composition comprising an organophosphorous compound represented by the general formula (1): wherein R1 and R2 represent an organic group or a halogen atom, and m and n represent an integer of 0 to 4, provided that R1 and R2 may be the same or different when m or n is an integer of 2 to 4, and a divalent metallic compound in an amount more than 30 ppm and not more than 2300 ppm in terms of a divalent metal based on the organophosphorous compound.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: June 12, 2001
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Hideo Takeuchi, Maki Sato, Shoichi Gyobu
  • Patent number: 6228975
    Abstract: A polyalkylene naphthalate for a film, which comprises a naphthalenedicarboxylic acid component as a main dicarboxylic acid component and an aliphatic glycol component as a main glycol component, and contains (a) an antimony compound and (b) a quaternary phosphonium sulfonate compound unit having an ester-forming functional group in such amounts that satisfy the following expressions (1) and (2): 0<Sb≦80  (1) 0<S/Sb≦0.4  (2) wherein Sb and S are the molar ratios (mmol %) of the antimony compound and the quaternary phosphonium sulfonate compound unit having an ester-forming functional group to the total of all the dicarboxylic acid components forming the polyalkylene naphthalate, respectively. The film of the present invention has excellent surface flatness and is suitable for use as a base film for a magnetic recording medium. It is also excellent in high-speed winding properties and can be formed into a film stably and produced industrially advantageously.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: May 8, 2001
    Assignee: Teijin Limited
    Inventors: Tomokatsu Ura, Masahiko Kosuge, Hideshi Kurihara
  • Patent number: 6177541
    Abstract: A process for producing an isocyanurate derivative of the formula (1): wherein one each of X1, X2, of Y1, Y2 and of Z1, Z2, a R COO group and the other is a OH group and each R is a C1-7 organic group, having an ionic chlorine atom content of from 0.1 to 5 ppm, which comprises reacting (A) tris-(2,3-epoxypropyl) isocyanurate containing from 10 to 3,000 ppm of hydrolyzable chlorine and (B) a carboxyl group-containing compound, in the presence of (C) an arylphosphine and/or a phosphonium salt comprising a non-halogen anion, until the concentration of the epoxy group in the reaction solution decreases to a 0.3 to 0.6 eq/kg, and then maintaining the reaction solution at 80 to 130° C. for H hours, where 0.2×2,5n≦H≦2×2.5n, where n=0.1(110−T), where T is the temperature (° C.), to bring the epoxy group concentration in the reaction solution to a level of less than 0.1 eq/kg.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: January 23, 2001
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Hisao Ikeda, Toshinari Koda, Yasuhiro Gunji