Process Of Polymerizing In The Presence Of A Specified Material Other Than Reactant Patents (Class 528/48)
  • Patent number: 7745659
    Abstract: The invention relates to a process for the production of liquid, storage-stable isocyanate mixtures with a low color index having carbodiimide-(CD) and/or uretone imine (UI) groups, the isocyanate mixtures that can be obtained by this process and their use for the production of blends with other isocyanates or for the production of isocyanate group-containing pre-polymers and also of polyurethane plastics, preferably polyurethane foamed plastics.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: June 29, 2010
    Assignee: Bayer MaterialScience AG
    Inventors: Stefan Wershofen, Manfred Schmidt, Hans-Georg Pirkl, Torsten Hagen
  • Patent number: 7737241
    Abstract: The invention is a system for initiating free radical polymerization comprising: a) in one part, one or more amido-borate compounds containing one or more anionic amido-borate moieties comprising an organoborate wherein the boron atom is bonded to a nitrogen atom of ammonia or an organic compound containing one or more nitrogen atoms, such as a hydrocarbyl amine, a hydrocarbyl polyamine, or an aromatic heterocycle containing one or more nitrogen atoms and optionally containing one or more heteroatoms or heteroatom containing functional moieties, and one or more cationic counter ions and b) in a second part, a liberating compound which reacts with the nitrogen atom(s) bound to the boron atom(s) upon contact with the amido-borate to form an organoborane radical.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: June 15, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Shaoguang Feng, Gary L. Jialanella, Peter Nickias, Toni Ristoski
  • Patent number: 7671163
    Abstract: The present invention relates to monomeric bivalent phenoxy tin compounds, processes for making the phenoxy tin compounds, and processes for making polyurethanes using the tin compounds as polymerization catalysts.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: March 2, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Alex Sergey Ionkin
  • Patent number: 7666970
    Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: February 23, 2010
    Assignee: Bayer MaterialScience AG
    Inventors: Jan Weikard, Christoph Gürtler, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
  • Publication number: 20090292098
    Abstract: The present invention relates to a process for the preparation of colorless, storage-stable polyisocyanates containing biuret groups from di- or polyisocyanates using water and/or steam as a biuretizing agent, and an apparatus for this purpose and the use thereof.
    Type: Application
    Filed: December 10, 2005
    Publication date: November 26, 2009
    Applicant: BASF Aktiengesellschaft
    Inventors: Eva Wagner, Oliver Bey, Andreas Woelfert, Joachim Jaehme, Bernd Bruchmann, Alexander Bayer
  • Patent number: 7622542
    Abstract: The present invention relates to plastic moldings that are prepared from optionally filled polyurethanes. The plastic molding of the present invention exhibit high tenacity, flexural strength and heat stability. This invention also relates to a process for the preparation of these plastic moldings and specifically to a process for the production of large parts comprising these plastic moldings.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: November 24, 2009
    Assignee: Bayer MaterialScience AG
    Inventors: Peter Haas, Reiner Paul, Dirk Wegener
  • Patent number: 7622540
    Abstract: Disclosed herein is a metal enolate initiator for polymerizing isocyanates and a method for polymerizing isocyanates by anionic polymerization using the same, in which the initiator forms a cluster upon the initiation and protects stability of terminal anions at the end of the chain to cause controlled polymerization, thus preventing depolymerizaton and improving reaction time and efficiency without the use of a separate additive.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: November 24, 2009
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Jae-Suk Lee, Hee-Soo Yoo, Shahinur Rahman
  • Patent number: 7619052
    Abstract: A blade for electrophotographic apparatus which has a blade member formed of a polyurethane resin, wherein the polyurethane resin is a resin produced by using a polyurethane raw-material composition containing at least the following components (A) to (E): (A) a polyisocyanate; (B) a polyol having a number average molecular weight of 2,000 or more and 4,000 or less; (C) a chain extender having a molecular weight of 200 or less: (D) a polyol having a number average molecular weight which is smaller than the number average molecular weight of the component-(B) polyol and is larger than the molecular weight of the component-(C) chain extender; and (E) a urethane curing catalyst.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: November 17, 2009
    Assignee: Canon Kasei Kabushiki Kaisha
    Inventors: Shouji Inoue, Taku Hatanaka, Kenichi Mochizuki, Mayuko Kodama
  • Patent number: 7592398
    Abstract: A coating composition comprising a first component having a first polyester polyol having a first functionality, and a second polyester polyol having a second functionality, wherein the second functionality is greater than the first functionality, and a second component comprising an isocyanate, wherein the coating has an NCO:OH ratio of 1:1 or greater is disclosed. A coated flexible substrate comprising a flexible substrate, and a coating deposited on at least a portion of the substrate, wherein the coating comprises a first component having a first polyester polyol having a first functionality and a second polyester polyol having a second functionality, wherein the second functionality is greater than the first functionality and a second component comprising an isocyanate is also within the scope of the present invention.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: September 22, 2009
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Karen R. Rye, Brian K. Rearick, Michael L. Sproule, Deborah E. Hayes
  • Publication number: 20090221784
    Abstract: A method for preparing biodegradable polyurethanes includes contacting a flowable quasi-pre-polymer including free aliphatic polyisocyanate compounds with a polyester polyol hardener having a functionality of at least two to form a reactive liquid mixture. The quasi-prepolymer can, for example, be formed by contacting a polyisocyanate component comprising at least one aliphatic polyisocyanate compound with a polyol component comprising at least one polyol compound to form an adduct of the polyisocyanate component and the polyol component wherein a sufficient excess of the polyisocyanate component is used to form the quasi-prepolymer.
    Type: Application
    Filed: April 24, 2006
    Publication date: September 3, 2009
    Inventors: Scott A. Guelcher, Jonathan E. Didier, Jeffrey O. Hollinger
  • Patent number: 7579393
    Abstract: The invention relates to mixtures (1) comprising (a) polytetrahydrofuran and (b) stabilizers having a molecular weight of from 600 g/mol to 10000 g/mol and comprising at least two phenolic groups.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: August 25, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Hauke Malz, Dieter Rodewald, Hermann Graf
  • Patent number: 7572876
    Abstract: A highly reactive polyurethane powder coating composition, which contains uretdione groups that are hardenable at low temperatures, contains A) at least one uretdione-containing powder coating hardener based on aliphatic, (cyclo)aliphatic or cycloaliphatic polyisocyanates and hydroxyl-containing compounds, the hardener having a melting point of from 40 to 130° C., a free NCO content of less than 5% by weight, and a uretdione content of 6-18% by weight; B) at least one hydroxyl-containing polymer having a melting point of from 40 to 130° C., and an OH number of between 20 and 200 mg KOH/g; C) 0.001-3% by weight of at least one tetraalkyl ammonium carboxylate catalyst, based on a total amount of components A) and B). Components A) and B) are present in a ratio so that for each hydroxyl group of component B) there is from 0.3 to 1 uretdione group of component A).
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: August 11, 2009
    Assignee: Evonik Degussa GmbH
    Inventors: Emmanouil Spyrou, Holger Loesch, Andreas Wenning
  • Publication number: 20090192283
    Abstract: The present invention relates to an improved process for preparing high performance aliphatic-aromatic mixed waterborne polyurethanes (PUs). Waterborne PUs prepared from mixed aromatic diisocyanates and aliphatic diisocyanates exhibit superior mechanical properties as compared with those prepared from aliphatic diisocyanates alone.
    Type: Application
    Filed: January 22, 2009
    Publication date: July 30, 2009
    Applicants: Great Eastern Resins Industrial Co., Ltd., National Chung Hsing University
    Inventors: Shenghong A. DAI, A-Sung CHANG, Tzu-Wen KUO, Chien-wen CHEN
  • Patent number: 7553921
    Abstract: A polyether polyol composition, the reactivity of which with a polyisocyanate can be controlled, to thereby obtain an isocyanate group-terminated prepolymer having excellent storage stability. A polyether polyol composition comprising a polyether polyol obtained by a ring-opening polymerization of an alkylene oxide in the presence of a composite metal cyanide complex catalyst, and a phosphoric acid compound comprising a phosphoric acid selected from orthophosphoric acid, polyphosphoric acid and polymetaphosphoric acid, and/ or a partial ester of such a phosphoric acid, wherein the polyether polyol composition contains metals derived from the composite metal cyanide complex catalyst in an amount of from 1 to 30 ppm based on the polyether polyol, and the above phosphoric acid compound in an amount of from 0.5 to 100 ppm based on the polyether polyol.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: June 30, 2009
    Assignee: Asahi Glass Company, Limited
    Inventors: Chitoshi Suzuki, Hiroki Fukuda, Shigeru Ikai
  • Publication number: 20090093606
    Abstract: The present invention relates to methods for synthesizing shape memory polyurethanes, and fibers therefrom. The polyurethanes can be synthesized via solution polymerization or bulk polymerization. Following synthesis, the polyurethanes can be treated via wet spinning, dry spinning, reaction spinning, melt spinning, or electro spinning.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 9, 2009
    Applicant: The Hong Kong Polytechnic University
    Inventors: Jinlian Hu, Qinghao Meng, Yong Zhu, Jing Lu, Haitao Zhuo
  • Patent number: 7507361
    Abstract: Polyisocyanate-based reaction systems, a pultrusion process of those systems to produce reinforced matrix composites, and to composites produced thereby. The polyisocyanate-based systems are mixing activated reaction systems that include a polyol composition, an optional chain extender or crosslinker, and a polyisocyanate. The polyisocyanate-based systems exhibit improved processing characteristics in the manufacture of fiber reinforced thermoset composites via reactive pultrusion.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: March 24, 2009
    Assignee: Huntsman International LLC
    Inventors: Ravi R. Joshi, Evan H. Cheolas
  • Publication number: 20090005716
    Abstract: Methods for producing biocompatible compositions are provided. The biocompatible compositions include an isocyanate-functional polyurethane prepolymer in combination with a foam control agent. The foam control agent decreases the formation of bubbles and/or foam in the biocompatible composition, thereby enhancing the physical properties of the biocompatible composition. The presence of the foam control agent does not compromise the strength of the biocompatible composition. The compositions prepared by the methods of the present disclosure may be used as adhesives or sealants for medical/surgical uses.
    Type: Application
    Filed: June 27, 2007
    Publication date: January 1, 2009
    Inventors: Ferass Abuzaina, Fatima Munoz
  • Publication number: 20080306237
    Abstract: The present invention relates to a process for preparing high-functionality highly branched polyureas which comprises reacting one or more ureas with one or more amines having at least two primary and/or secondary amino groups, at least one amine having at least three primary and/or secondary amino groups.
    Type: Application
    Filed: February 7, 2005
    Publication date: December 11, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Bernd Bruchmann, Peter Rudolf, Jean-Francois Stumbe
  • Patent number: 7462680
    Abstract: Binder combinations containing polyisocyanates, special lactone-based polyols and polyester polyols and to their use for producing coatings, preferably on plastics.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: December 9, 2008
    Assignee: Bayer MaterialScience AG
    Inventors: Christian Wamprecht, Jörg Tillack
  • Publication number: 20080299391
    Abstract: A composition includes a plurality of capsules, and a polymerizer in the capsules. The capsules have an average outer diameter less than 10 micrometers. The capsules can be made by sonicating an emulsion to form a microemulsion, where the emulsion includes water, a surfactant, a first polymerizer and a second polymerizer, and then polymerizing the first polymerizer. The capsules may be present in a composite material that includes a polymer matrix and an activator.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 4, 2008
    Inventors: Scott R. White, Nancy R. Sottos, Benjamin J. Blaiszik
  • Patent number: 7439299
    Abstract: An aqueous coating composition having a 60° gloss of ?40 upon drying comprising a self-crosslinkable polyurethane obtained by the reaction of: (A) an isocyanate-terminated pre-polymer formed from components which comprise (i) 5 to 65 wt % of at least one organic polyisocyanate; (ii) 0.
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: October 21, 2008
    Assignee: DSM IP Assets B.V.
    Inventors: Richard G Coogan, Nikos J Georgakakis, Anthony Pajerski
  • Patent number: 7427647
    Abstract: A coating composition useful for coating automobile and truck bodies comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: wherein X, Y, R1, R2, m and n are described in the specification, and c. 0.05 to 10% by weight, based on the total weight of the coating composition, of a metal alkoxide compound; and containing optional additional polymeric components, oligomeric components and antioxidants, light absorbers and light stabilizers.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: September 23, 2008
    Assignee: E.I. du Pont de Nemours & Company
    Inventors: Stefan Reinartz, Robert John Barsotti, Patrick Henry Corcoran, Kalindi Dogra, Christian Peter Lenges, Laura Ann Lewin, Klaus Wissing
  • Publication number: 20080227878
    Abstract: This invention relates to stable liquid, trimer and allophanate-modified isocyanates, a process for the production of these isocyanates, foams prepared from these isocyanates and a process for the production of these foams.
    Type: Application
    Filed: March 14, 2007
    Publication date: September 18, 2008
    Inventors: James Garrett, Richard R. Roesler, Bryan D. Kaushiva, Jan L. Clatty, Rick V. Starcher, John R. Sebroski, Jason W. Miller, Michael A. Blaszkiewicz, Michael A. Masciantonio, Michael T. Wellman
  • Publication number: 20080154010
    Abstract: An AED coating composition comprising, apart from water, (A) 1 to 20, relative to the resin solids content of the composition, of at least one resin with functional groups selected from the group consisting of hydroxyl groups, free isocyanate groups and blocked isocyanate groups, the resin is present as particles with melting temperatures from 40 to 200° C., (B) at least one film-forming, self- or externally cross-linking AED binder different from resin (A), and (C) optionally, at least one component selected from the group consisting of cross-linking agents, paste resins, grinding resins, nonionic resins, fillers, pigments, fillers, extenders, coating additives and organic solvents; the AED coating compositions have a distinctly reduced or no edge migration behavior upon deposition and baking.
    Type: Application
    Filed: December 19, 2007
    Publication date: June 26, 2008
    Inventors: Gabriele Buettner, Andreas Fieberg, Carmen Flosbach, Thomas Grawe, Tanja Renkes
  • Patent number: 7381785
    Abstract: Process for preparing binders including reacting A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds containing groups capable of participating in polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and contain isocyanate-reactive groups, followed by C) reaction with one or more hydroxyl-containing compounds other than B), wherein at least one of these compounds has an OH functionality of?2, D) in the presence of one or more compounds containing phenoxide groups, as catalysts, and E) optionally auxiliaries and additives, where the reaction with compounds of component C) proceeds at least proportionally with the formation of allophanate groups and where and including binders containing allophanate groups and groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and optionally also contain NCO-reactive groups.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: June 3, 2008
    Assignee: Bayer MeterialScience AG
    Inventors: Christophe Dètrembleur, Jan Weikard, Dorota Greszta-Franz, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
  • Patent number: 7375150
    Abstract: An antistatic composition that is excellent in thermo stability, is free from the problem of bleeding-out, exhibits its effect independently of humidity, has immediate effectiveness, and also exhibits excellent and persistent antistatic properties, and a method for producing the composition are provided. The antistatic composition comprises a predetermined alkali metal salt or alkaline earth metal salt, and resin.
    Type: Grant
    Filed: May 1, 2002
    Date of Patent: May 20, 2008
    Assignee: Sanko Chemical Industry Co., Ltd.
    Inventor: Noriaki Fujihana
  • Patent number: 7361723
    Abstract: A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation; the process includes reacting A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and C) optionally further NCO-reactive compounds, and D) in the presence of one or more compounds containing phenoxide groups, as catalysts. The binders can be used in preparing coatings, coating materials, coating compositions, adhesives, printing inks, casting resins, dental compounds, sizes, photoresists, stereolithography systems, resins for composite materials and sealants.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: April 22, 2008
    Assignee: Bayer Materialscience AG
    Inventors: Christophe Dètrembleur, Jan Weikard, Dorota Greszta-Franz, Frank Richter, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
  • Patent number: 7329717
    Abstract: A process for preparing polyisocyanate-modified polycarboxylic acids by conversion of anhydride-group-free polycarboxylic acids with isocyanate-functional compounds. The process includes reacting A) an anhydride-group-free polycarboxylic-acid component with B) an isocyanate-functional component having an (average) isocyanate functionality of at least 1.8, at an equivalent ratio of carboxylic acid groups to isocyanate groups of from 1.2:1 to 120:1. The polyisocyanate-modified polycarboxylic acids are solid below 40° C. and liquid above 130° C., and have an average carboxylic acid functionality of at least 1.8, a content of free carboxylic acid groups of from 4.0 wt. % to 80.0 wt. % and a content of amide groups of from 0.4 wt. % to 32.5 wt. %.
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: February 12, 2008
    Assignee: Bayer MaterialScience AG
    Inventors: Hans-Josef Laas, Christoph Gürtler, Reinhard Halpaap, Michael Grahl, Peter Thometzek, James Rawlins
  • Patent number: 7307135
    Abstract: A high-reactivity liquid polyurethane composition which contains at least one uretdione group and cures at a low baking temperature can be used for producing plastics, particularly surface coatings and adhesives. The polyurethane composition contains A) at least one curing agent which contains at least one uretdione group and is obtained from i) an aliphatic polyisocyanate, a (cyclo)aliphatic polyisocyanate, a cycloaliphatic polyisocyanate or mixtures thereof, and ii) at least one hydroxyl-containing compound, the curing agent having a free NCO content of less than 5% by weight and a uretdione content of from 1 to 18% by weight; and B) at least one catalyst.
    Type: Grant
    Filed: October 6, 2004
    Date of Patent: December 11, 2007
    Assignee: Degussa AG
    Inventor: Emmanouil Spyrou
  • Patent number: 7279505
    Abstract: The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or a mixture thereof, wherein the isocyanate-capped polyurethane is a copolymerization production of: (a) at least one polyalkylene glycol; (b) at least one branching agent having at least three hydroxy groups; and (c) at least one di- or polyisocyanate. The radiation-curable prepolymer of the invention can find use in economically producing contact lenses which have durable, highly elastic soft contact lenses with desired physical properties. In addition, the present invention provides method for making a radiation-curable prepolymer of the invention and for making a medical device, preferably an ophthalmic device, more preferably a contact lens.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: October 9, 2007
    Assignee: Novartis AG
    Inventors: John Christopher Phelan, Michael Hugh Quinn, Joshua Andrew Wallach
  • Patent number: 7253244
    Abstract: A one-pack polyurethane adhesive containing a polyisocyanate prepolymer and at least one aminoether polyol, having a molar ratio of ether groups to amino nitrogen in the aminopolyether polyol of 7 to 30.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: August 7, 2007
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernhard Gruenewaelder, Werner Haller, Bernhard Schoettmer, Thomas Empt, Hermann Kluth
  • Patent number: 7223801
    Abstract: A composition and method for protecting pipeline joints is disclosed. A mold covers the exposed pipeline joint. A reaction composition including a polyol, an isocyanate, and an ester, preferably 2,2,4-trimethyl-1,2-pentanediol diisobutyrate, is added to the mold and allowed to react to form a polymer.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: May 29, 2007
    Assignee: Baysystems North America LLC
    Inventor: Scott A Brown
  • Patent number: 7202302
    Abstract: Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: April 10, 2007
    Assignee: Huntsman International LLC
    Inventors: Evan H. Cheolas, Berend Eling, Ravi R. Joshi, Alan McClelland, Ajay Padsalgikar, Andreas H. Rothacker
  • Patent number: 7078442
    Abstract: A composition and method for consolidating aggregate material is disclosed. The method includes introducing a reaction composition into the aggregate material and allowing it to reach on form a polymer which binds the aggregate together. The composition includes polyol, isocyanate, and ester.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: July 18, 2006
    Assignee: Baysystems North America LLC
    Inventor: Scott A Brown
  • Patent number: 7052766
    Abstract: The present invention is directed to a novel reactive protective colloid system suitable for stabilizing an electrophoretic display in which a halogenated solvent, particularly a fluorinated, more particularly a perfluorinated, solvent, or a mixture thereof, is used as the dielectric solvent.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: May 30, 2006
    Assignee: SiPix Imaging, Inc.
    Inventors: Hongmei Zang, Huiyong Paul Chen, Mahmoud-Zohdi Armoush, Denis Leroux, Rongchi Yu, Rong-Chang Liang
  • Patent number: 7041711
    Abstract: To provide a polymerizable composition suitable for a lithographic printing plate precursor which can satisfy the requirements of high sensitivity, excellent storage stability and long press life and enables direct plate making from digital data from computer, etc. when recording is conducted a solid laser or semiconductor laser emitting ultraviolet ray, visible light or infrared ray and a compound therefore, the present invention relates to a photoradical polymerizable composition comprising a polyfunctional crosslinking agent having a specific structure represented by formula (I) or (II) defined in the specification.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: May 9, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kazuto Kunita
  • Patent number: 7038003
    Abstract: A process for preparing polyisocyanate prepolymers containing allophanate structural units that includes reacting a) one or more polyisocyanates with b) one or more polyetherpolyols containing less than or equal to 0.02 milliequivalent of unsaturated end groups per gram of polyol and having a polydispersity of from 1.0 to 1.5 and/or an OH functionality of greater than or equal to 1.9 ?to provide an NCO-functional polyurethane prepolymer containing urethane groups that are partly or fully allophanatized by further reaction with c) polyisocyanates, which may be different from those from a), and d) catalysts and optionally adding e) acidic additives before, during and/or after the allophanatization. The polyisocyanate prepolymers can be used to produce coatings, adhesive bonds and/or seals. The coatings include one or more of the polyisocyanate prepolymers, and at least one diol or polyol and/or at least one linear and/or cyclic, aliphatic, araliphatic and/or aromatic diamine or polyamine.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: May 2, 2006
    Assignee: Bayer MaterialScience AG
    Inventors: Michael Mager, Joachim Simon, Malte Homann
  • Patent number: 7001864
    Abstract: A catalyst composition for production of a polyurethane resin, which comprises a metal complex catalyst represented by the following formula (1): M(acac)n??(1) wherein M represents Mn, Fe, Co, Ni, Cu, Zn, Zr, Ti, Hf, Al or Th, acac represents acetylacetonate, and n is an integer of from 1 to 4, and at least one compound selected from the group consisting of a bicyclic tertiary amine compound represented by the following formula (2): wherein n is an integer of from 1 to 3, a compound having a cumulative double bond, and a quaternary ammonium salt compound.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: February 21, 2006
    Assignee: Tosoh Corporation
    Inventors: Hiroyuki Kiso, Hiroyuki Yoshimura, Shinichi Inoue, Kouhei Tomita
  • Patent number: 6995230
    Abstract: The invention relates to stabilizers containing at least two phenolic groups bonded to one another via a connecting radical (II) which is a polyol with a number-average molecular weight of from 75×F g/mol to 250×F g/mol, preferably from 100×F g/mol to 200×F g/mol, in particular from 100×F g/mol to 150×F g/mol, where the term F is the number of phenolic groups in the molecule.
    Type: Grant
    Filed: July 4, 2001
    Date of Patent: February 7, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Hauke Malz, Thomas Flug, Peter Böhme, Markus Kamieth
  • Patent number: 6995192
    Abstract: The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or a mixture thereof, wherein the isocyanate-capped polyurethane is a copolymerization production of: (a) at least one polyalkylene glycol; (b) at least one branching agent having at least three hydroxy groups; and (c) at least one di- or polyisocyanate. The radiation-curable prepolymer of the invention can find use in economically producing contact lenses which have durable, highly elastic soft contact lenses with desired physical properties. In addition, the present invention provides method for making a radiation-curable prepolymer of the invention and for making a medical device, preferably an ophthalmic device, more preferably a contact lens.
    Type: Grant
    Filed: August 13, 2003
    Date of Patent: February 7, 2006
    Assignee: Novartis AG
    Inventors: John Christopher Phelan, Michael Hugh Quinn, Joshua Andrew Wallach
  • Patent number: 6960625
    Abstract: A transparent polyurethane-hydrogel composition includes a reaction product in aqueous solvent of a prepolymer and a water-soluble crosslinker in the substantial absence of organic solvent, and such a composition can be prepared by admixing a prepolymer and a water-soluble crosslinker in aqueous solvent and in the substantial absence of organic solvent. A prepolymer is present in an amount of no greater than about 5 weight percent based on total weight of all hydrogel components. The prepolymer is generally prepared from at least one water-soluble polyol and an isocyanate. A water-soluble crosslinker generally has a crosslinker functionality of at least 2 and is selected to provide a site ratio of initial isocyanate to crosslinker (i.e., moles NCO×functionality/moles crosslinker×functionality) of at least about 1.5 and no greater than about 2.6. In one embodiment, a crosslinker is effective to react with and solubilize residual isocyanate concurrently with the reaction between prepolymer and crosslinker.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: November 1, 2005
    Assignee: Dow Global Technologies Inc.
    Inventors: Christopher P. Christenson, Stan Wrobel, Deepak K. Sharma, Joey W. Storer, Andrew F. Sandford
  • Patent number: 6956074
    Abstract: There is a provided a polyurethane composition, which exhibits an excellent property of preventing discoloring or coloring not only by oxidized nitrogen gases but also by heat, characterized in that (A) a hindered phenol antioxidant, and (B) an amide represented by the following general formula (I): R1—CONH2??(I) wherein R1 represents an alkyl group having 12 to 21 carbon atoms is compounded in the polyurethane.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: October 18, 2005
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Kenji Kimura, Kanako Fukuda, Mutsuko Higo, Kunihito Miyake
  • Patent number: 6906110
    Abstract: In a process for producing polyurethanes by reacting at least one polyisocyanate with at least one compound containing at least two hydrogen atoms which are reactive toward isocyanate groups, the compound having at least two active hydrogen atoms which is used is at least one polyether alcohol prepared by addition of alkylene oxides onto H-functional initiator substances by means of multimetal cyanide catalysis and the reaction is carried out in the presence of at least one metal salt.
    Type: Grant
    Filed: November 4, 2000
    Date of Patent: June 14, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Lorenz, Stephan Bauer, Dieter Junge, Eva Baum, Kathrin Harre, Jörg Erbes, Thomas Ostrowski, Georg Heinrich Grosch
  • Patent number: 6881764
    Abstract: There is disclosed a polyurethane composition with a glass cullet filler. The composition comprises at least one polyol, an isocyanate, a catalyst and glass cullet. The glass cullet has an average particle size of not greater than 100 mesh and not less than 325 mesh. A method of producing a polyurethane composition with a glass cullet filler is also disclosed.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: April 19, 2005
    Assignee: Textile Rubber & Chemical Company, Inc.
    Inventors: Van I. Doesburg, Milton Bradley Giddens
  • Patent number: 6867256
    Abstract: The invention concerns a thermoplastic copolyamide and composition comprising as matrix said thermoplastic copolyamide, and a method of making such thermoplastic copolyamide. More particularly it concerns a copolyamide of the statistical tree type resulting from the reaction between a plurifunctional monomer comprising at least three reactive functions to form an amide function, said functions being two different types, and bifunctional monomer conventionally used in making linear polyamides. The resulting copolyamide has a very low softness index in molten state compared to the linear polyamide and improved shock-resistant properties. The invention also concerns with methods for making these copolyamides and composition for molding, extruding or injecting parts. Said compositions comprise fillers and additives and said copolyamide as a matrix.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: March 15, 2005
    Assignee: Nyltech Italia
    Inventors: Giuseppe Di Silvestro, Cesare Guaita, Franco Speroni, Cuiming Yuan, Haichun Zhang
  • Patent number: 6828402
    Abstract: A resin composite characterized in that it includes: a polymer compound which is an alternating copolymer of a saccharic compound and an aliphatic compound and has a three-dimensional network; and a plasticizer contained in the gap in the three-dimensional network of the above polymer compound, the production of the resin composite contributing to making good use of waste vegetable resources, such as used paper and waste molasses, as raw materials, the resin composite having elasticity and flexibility just as does rubber.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: December 7, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yoshihiko Kikuchi
  • Patent number: 6822040
    Abstract: A basecoat composition includes an acrylic polymer prepared from a combination of monomers including at least about 30% by weight ethyl acrylate, methyl acrylate, methyl methacrylate, or a combination of these. The basecoat composition also includes methylated melamine-formaldehyde resin and up to about 10% by weight of a butylated melamine-formaldehyde resin, based on the weight of the basecoat composition vehicle and butylated melamine resin. An at least partially cured layer of the basecoat composition offers improved adhesion with a coating composition layer applied over it and cured, whether the coating composition layer applied over it is another layer of the basecoat composition itself or a layer of a clearcoat composition.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: November 23, 2004
    Assignee: BASF Corporation
    Inventors: Leslie G. Baugh, David K. K. Lau, Thomas C. Balch, Sergio E. Balatan, Walter H. Ohrbom, James A. Laugal, David J. Law
  • Patent number: 6811667
    Abstract: Waterborne CED coating agents containing resin solids and optionally pigments, fillers and/or conventional coating additives, wherein said CED coating agents contain at least one bismuth complex with ligands selected from the group consisting of hydroxyquinolines, 1,2-dioximes, 1,3-dioximes, and N,N′-diarylthiocarbazides and combinations thereof in an amount of 0.1 wt. % to 2.5 wt. %, calculated as bismuth and based on the resin solids.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: November 2, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Ulrich Hermann, Walter Kuehhirt, Rudolf Schipfer
  • Patent number: 6811666
    Abstract: This invention is directed to an improved aqueous cathodic electrocoating composition and a method for the electrodeposition of this composition; the composition comprises a cathodic electrodepositable composition comprising a binder of (a) a cathodically electrodepositable film forming resin and (b) a polyisocyanate crosslinking agent blocked with a compound that is non-hazardous and non-air polluting, such as, an alkoxy alkanol or an alkyl alcohol; wherein the improvement comprises the use of 0.1-5.0% by weight, based on the weight of the binder, of a water miscible amine acid zwitterion additive which is the reaction product of an amine acid and an alkylglycidy ether.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: November 2, 2004
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Ding Yu Chung
  • Publication number: 20040192875
    Abstract: A catalyst composition for production of a polyurethane resin, which comprises a metal complex catalyst represented by the following formula (1):
    Type: Application
    Filed: March 17, 2004
    Publication date: September 30, 2004
    Applicant: Tosoh Corporation
    Inventors: Hiroyuki Kiso, Hiroyuki Yoshimura, Shinichi Inoue, Kouhei Tomita