Isocyanate Esters (i.e., Compounds Containing The Isocyanate Group, -n=c=o, Bonded Directly To Carbon, Which Carbon May Be Single Bonded To Any Atom But May Be Multiple Bonded Only To Carbon) Patents (Class 560/330)
  • Patent number: 10308756
    Abstract: Provided is a polymerizable composition for an optical material including (A) an amine having two or more secondary amino groups, (B) an isocyanate having two or more isocyanato groups, and (C) a thiol having three or more mercapto groups, in which the ratio (a/b) of the molar number a of amino groups in the amine (A) with respect to the molar number b of isocyanato groups in the isocyanate (B) is in the range of 0.10 to 0.60.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: June 4, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Nobuo Kawato
  • Patent number: 9006480
    Abstract: The invention relates a process for producing isocyanates comprising the steps of a) providing an azolide and optionally a solvent, and b) adding an acid at a temperature below about 40 C. The invention also relates to the isocyanate obtainable by such a process.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: April 14, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Wolf Steiger, Peter Bissinger
  • Patent number: 8969614
    Abstract: The present invention relates to a process for preparing colorless polyisocyanates, in particular for reducing the color of polyisocyanates.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: March 3, 2015
    Assignee: BASF SE
    Inventors: Horst Binder, Matthias Kroner, Alexander Bayer
  • Patent number: 8952120
    Abstract: An isocyanurate type polyisocyanate composition which is derived from an aliphatic diisocyanate monomer and an alcohol and satisfies all of the following requirements when it contains substantially no aliphatic diisocyanate monomer and substantially no solvent: 1) the viscosity at 25° C. is 500-1,500 mPa·s; 2) the isocyanurate trimer concentration is 60-95 mass %; 3) when the number of allophanate bonds is expressed as A and the number of isocyanurate bonds is expressed as B, the proportion of the allophanate bonds, a=(A/(A+B))×100, is 1-30%; and 4) when the number of urethodione bonds is expressed as D, the proportion of the urethodione bonds, d=(D/(B+D))×100, is less than 2%.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: February 10, 2015
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Yoshiyuki Asahina, Masakazu Yamauchi
  • Publication number: 20150025268
    Abstract: The invention relates to a process for isocyanate modification which includes reacting a) at least one organic isocyanate having an NCO functionality greater than or equal to 1, b) a catalyst comprising at least one phosphonium salt comprising at least one cycloalkyl substituent bonded directly to a P atom of a phosphonium cation, c) optionally a solvent, and d) optionally additives. The present invention also relates to a catalyst for isocyanate modification comprising at least one phosphonium salt comprising at least one cycloalkyl substituent bonded directly to a P atom of a phosphonium cation.
    Type: Application
    Filed: October 8, 2014
    Publication date: January 22, 2015
    Inventors: Frank Richter, Martin Brahm
  • Patent number: 8921594
    Abstract: A process for phosgenating an amine comprising employing a plug-flow type reactor with internal recycle is disclosed. The process can be continuous, which makes it possible to prepare, in a single stage, a (poly)isocyanate with a good yield, without formation of byproducts and on simplifying the plant in order to carry out the process so as to promote safety.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: December 30, 2014
    Assignee: Vencorex France
    Inventors: Nicolas Perret, Denis Revelant
  • Patent number: 8901347
    Abstract: Disclosed are novel bioabsorbable and biodegradable monomer compounds, bioabsorbable and biodegradable polymers therefrom, and methods of making such monomers and polymers, which are useful in pharmaceutical delivery systems, tissue engineering applications, tissue adhesives products, implantable medical devices, foams and reticulated foams for wound healing and drug delivery, bone hemostats and bone void fillers, adhesion prevention barriers, meshes, filters, stents, medical device coatings, pharmaceutical drug formulations, consumer product and cosmetic and pharmaceutical packaging, apparel, infusion devices, blood collection tubes and devices, other medical tubes, skin care products, and transdermal drug delivery materials.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: December 2, 2014
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Patent number: 8901346
    Abstract: The present disclosure relates, according to some embodiments, to apparatus, systems, and/or methods for fractionating a feed mixture comprising, for example, one or more isocyanates, light components, solvents and/or heavier components. In some embodiments, fractionating an isocyanate feed mixture may comprise distilling the feed mixture in a non-adiabatic fractionating apparatus comprising a prefractionating section and/or column and a main section and/or column, which comprises a rectification section, a side section, and a stripping section. For example, isocyanates may be separated from light component(s), solvent(s) and/or heavier component(s). A fractionating apparatus may be configured and arranged, in some embodiments, as a dividing wall column. According to some embodiments of the disclosure, apparatus, systems, and/or methods may be energy efficient and/or may have a broad operating range.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: December 2, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Andrei S. Merenov, Luca Balbo, Douglas A. Stallard, John G. Pendergrast, Jr., Joerg-Peter Gehrke, Amilcar R. Collado, David D. Hibbitts
  • Patent number: 8853295
    Abstract: The present invention relates to a process for the preparation of particularly reactive and low-viscosity reaction products of polyisocyanates which contain activated ethylenically unsaturated groups which react by polymerization under the action of actinic radiation, and the use of these reaction products in coating compositions, and particularly scratch-resistant coatings obtainable therefrom.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: October 7, 2014
    Assignee: ALLNEX IP S.a.r.L.
    Inventors: Michael Ludewig, Wolfgang Fischer, Helmut Kuczewski
  • Patent number: 8853443
    Abstract: The present invention relates to a process for preparing an isocyanate, comprising hydrogenating a mixture (Gi) comprising an amine in the presence of a hydrogenation catalyst comprising copper to obtain a mixture (Gii) comprising the amine, and reacting the mixture (Gii) with phosgene to obtain a mixture (Giii) comprising the isocyanate. The present invention further relates to the isocyanate preparable by this process.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Daniel Breuninger, Johannes Adam, Heiner Schelling, Eckhard Stroefer, Markus Kraemer, Matthias Eiermann, Kai Thiele, Michael Zoellinger, Rolf Pinkos
  • Publication number: 20140288210
    Abstract: A resin composition includes a resin selected from a polylactic acid resin and a polycarbonate resin as a matrix resin, and surface-treated red phosphorus, wherein the surface-treated red phosphorus is contained in an amount of 10 parts by weight to 40 parts by weight, based on 100 parts by weight of the polylactic acid resin or the polycarbonate resin.
    Type: Application
    Filed: October 18, 2013
    Publication date: September 25, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Akira IMADA
  • Patent number: 8841479
    Abstract: The invention relates to low monomer 1:1 monoadducts of reactive olefinic compounds and diisocyanates, to the production and to the use thereof.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: September 23, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Emmanouil Spyrou, Stephan Kohlstruk, Elke Gollan, Andrea Henschke, Nicole Fresmann
  • Patent number: 8759568
    Abstract: The invention relates to a process for preparing isocyanates by reacting the corresponding amines with phosgene, optionally in the presence of an inert medium, in which phosgene and amine are first mixed and converted to the isocyanate in a reactor, and in which a reaction gas which comprises isocyanate and hydrogen chloride leaving the reactor is cooled in a quench by adding a liquid quench medium to form a mixture of reaction gas and quench medium as the product stream. The walls of the quench are essentially completely wetted with a liquid.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: June 24, 2014
    Assignee: BASF SE
    Inventors: Vanessa Simone Lehr, Carsten Knoesche, Torsten Mattke
  • Patent number: 8716426
    Abstract: A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at least one monoalcohol comprising an ether or polyether functional group in the presence of a bismuth-comprising catalyst and a metal compound as co-catalyst.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: May 6, 2014
    Assignee: Perstorp France
    Inventors: Jean-Marie Bernard, Johannès Schwarz, Philippe Olier
  • Publication number: 20130338330
    Abstract: A Pentamethylene diisocyanate is obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method, and contains 5 to 400 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total:
    Type: Application
    Filed: March 7, 2012
    Publication date: December 19, 2013
    Inventors: Toshihiko Nakagawa, Hiroshi Takeuchi, Kuniaki Sato, Satoshi Yamasaki
  • Patent number: 8546605
    Abstract: The invention provides a multistage process for continuously preparing organic, distillable polyisocyanates, preferably diisocyanates, more preferably aliphatic or cycloaliphatic diisocyanates, by reacting the corresponding organic polyamines with carbonic acid derivatives and alcohols to low molecular mass monomeric polyurethanes, and thermally cleaving said polyurethanes, in which at defined reaction stages the polyisocyanates prepared and unusable residues are separated off, and reusable by products and intermediates are recycled to upstream stages.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: October 1, 2013
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Kloetzer, Eckhard Stroefer, Volker Krase, Andreas Schmidt, Peter Scherbel
  • Patent number: 8530602
    Abstract: A polyether polyol composition comprising: a polyether polyol, a phosphoric acid compound selected from the group consisting of at least one of orthophosphoric acid, polyphosphoric acid, polymetaphosphoric acid, and partial esters thereof in an amount raning from 0.5 to 100 ppm based on the polyether polyol metals derived from a composite metal cyanide complex catalyst in an amount ranging from 1 to 30 ppm based on the polyether polyol; a method for producing this polyether polyol composition; and methods of making polyurethane or isocyanate group-terminated prepolymers.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: September 10, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Chitoshi Suzuki, Hiroki Fukuda, Shigeru Ikai
  • Patent number: 8519038
    Abstract: Aldimino containing compounds obtained from a reaction of aldimines of formula (I) with a compound that bears at least one reactive group that can enter into addition reactions with an HX group of an aldimine of formula I. The compounds containing aldimine groups can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: August 27, 2013
    Assignee: Sika Technology AG
    Inventor: Urs Burckhardt
  • Publication number: 20130178643
    Abstract: An object of the present invention is to provide a process for producing isocyanates, which are industrially useful compounds, without using phosgene, and to provide a process for chemically recycling waste polycarbonate resin. The present invention discloses a process enabling isocyanate compounds to be produced without using phosgene as a raw material by subjecting a carbamic acid ester compound obtained by a reaction between an aromatic polycarbonate resin and an amine compound to a thermal decomposition reaction, while at the same time disclosing a process enabling chemical recycling of aromatic polycarbonate resin by recovering a divalent aromatic hydroxy compound forming aromatic polycarbonates.
    Type: Application
    Filed: September 21, 2012
    Publication date: July 11, 2013
    Applicant: Asahi Kasei Chemical Corporation
    Inventor: Asahi Kasei Chemicals Corporation
  • Patent number: 8455679
    Abstract: A prepolymer system has a monomeric isocyanate content of no greater than about 10% by weight based on 100 parts by weight of the prepolymer system. The prepolymer system comprises a diluent component and a prepolymer component different than and separate from the diluent component. The diluent component has an excess of isocyanate (NCO) functional groups, and comprises the reaction product of a monohydric isocyanate-reactive component and an excess of a first isocyanate component. The first isocyanate component comprises monomeric isocyanates reactive with the monohydric isocyanate-reactive component. The prepolymer component also has an excess of NCO functional groups, and comprises the reaction product of a polyol component and an excess of a second isocyanate component. The prepolymer system can be used to prepare foams via reaction with water. The foams have low density and have excellent adhesion and sound dampening properties for use in cavities of automobile bodies.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: June 4, 2013
    Assignee: BASF SE
    Inventors: Thomas G. Savino, Nikolay Lebedinski, Rajesh Kumar, Calvin T. Peeler
  • Patent number: 8445622
    Abstract: The present invention relates to a process for preparing polyisocyanates by oligomerization of isocyanates.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: May 21, 2013
    Assignee: BASF SE
    Inventors: Horst Binder, Hubert Graf
  • Publication number: 20130109830
    Abstract: The invention relates to cellular and non-cellular polyurethane (PUR) elastomers made of NCO functional prepolymers based on polyisocyanates having portions of non-monomers, to a method for producing same, and to the use thereof.
    Type: Application
    Filed: May 2, 2011
    Publication date: May 2, 2013
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Jens Krause, Manfred Schmidt
  • Patent number: 8399701
    Abstract: The present invention relates to a process for the preparation of di- and polyamines of the diphenylmethane series, and to the preparation of di- and polyisocyanates of the diphenylmethane series from these di- and polyamines. The di- and polyamines of the diphenylmethane series are prepared by the reaction of aniline and formaldehyde in the presence of hydrochloric acid. In the present invention, the formaldehyde employed is used as an aqueous solution which contains less than 0.001 wt % of metal ions which are divalent and/or more than divalent.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: March 19, 2013
    Assignee: Huntsman International LLC
    Inventors: Robert Henry Carr, Peter Muller, Rabah Mouazer
  • Publication number: 20130053463
    Abstract: A microcellular polyurethane or polyurethane-urea foam elastomer includes the reaction product of (A) with (B) and/or water, a blowing agent, a catalyst forming urethane and/or ureic groups wherein: (A) is a prepolymer having a —NCO free group content included between 2%-25% (% w/w), which includes the reaction product of (a1) one or more aliphatic, cycloaliphatic and/or aromatic diisocyanates excluding 3,3?-dimethyl-4,4?-diphenylene diisocyanate, or one or more polyisocyanates or mixture of diisocyanates and polyisocyanates; with (a2a) one or more polyester macrodiols, a number of —OH groups per molecule equal to about 2; (B) is a compound selected from (b1) a diol or polyol; (b2) a primary or secondary aliphatic, cycloaliphatic amine or aliphatic, cycloaliphatic aromatic disecondary diamine or a blocked amine; (b3) one or more polyester macrodiols having a number of —OH group per molecule equal to about 2; (b4) a mixture formed of two or more compounds (b1), (b2) and (b3).
    Type: Application
    Filed: August 9, 2012
    Publication date: February 28, 2013
    Applicant: TECNOELASTOMERI S.R.L.
    Inventors: Alessandro GRAMELLINI, Ermes GRAMELLINI
  • Patent number: 8367747
    Abstract: Novel bioabsorbable and/or biocompatible polyurethanes, polyureas, polyamideurethanes and polyureaurethanes with tunable physical, mechanical properties and hydrolytic degradation profiles are provided for use in biomedical applications such as stents, stent coatings, scaffolds, foams, and films. The disclosed polymers may be derived from biocompatible and/or bioabsorbable polyisocyanates. The present invention also relates to new and improved methods for the preparation of the biocompatible and/or bioabsorbable polyisocyanates.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: February 5, 2013
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Patent number: 8324292
    Abstract: A medically acceptable formulation comprising a diisocyanate terminated macromer or mixture thereof, and an oxidized cellulose.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: December 4, 2012
    Assignee: Ethicon, Inc.
    Inventors: Robert B. Vetrecin, Elizabeth Vailhe, Robert W. Van Holten
  • Patent number: 8299201
    Abstract: A one-component polyurethane composition includes at least one polyurethane prepolymer having terminal isocyanate groups which is prepared from at least one polyisocyanate and at least one polyol, and to at least one catalyst system which is obtainable from at least one bismuth compound and at least one aromatic nitrogen compound. The polyurethane composition may be used as an adhesive, sealant, coating or lining. Finally, catalysts for polyurethane compositions are disclosed which represent coordination compounds between bismuth and at least one aromatic nitrogen compound.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: October 30, 2012
    Assignee: Sika Technology AG
    Inventors: Urs Burckhardt, Andreas Diener
  • Patent number: 8293937
    Abstract: The invention relates to a new industrial process for producing low-monomer-content organic polyisocyanates by oligomerization of organic diisocyanates in a two-phase system.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: October 23, 2012
    Assignee: Bayer MaterialScience AG.
    Inventors: Martin Brahm, Frank Richter, Thomas Voigt, Reinhard Halpaap
  • Patent number: 8283488
    Abstract: The invention relates to a continuous process for preparing radiation-curable prepolymers containing urethane groups, more particularly urethane acrylates.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: October 9, 2012
    Assignee: Bayer MaterialScience AG
    Inventors: Björn Henninger, Ursula Tracht, Sigurd Buchholz, Claudia Willems, Rolf Bachmann, Michael Ludewig, Wolfgang Fischer
  • Patent number: 8258337
    Abstract: The present invention relates to a process for preparing isocyanates and an apparatus suitable for this purpose, and also its use. In the process, an amine and phosgene, both in the gas phase, react in the presence of an inert medium. A number, n, of amine streams are reacted with a number, n +1, of phosgene streams in a reactor. The number n is a positive integer of at least 1. All amine and phosgene streams are introduced into the reactor through annular gaps for mixing.
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: September 4, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Woelfert, Carsten Knoesche, Andreas Daiss, Tsung-Chieh Cheng, Torsten Mattke, Eckhard Stroefer
  • Publication number: 20120220736
    Abstract: Aldimino containing compounds obtained from a reaction of aldimines of formula (I) with a compound that bears at least one reactive group that can enter into addition reactions with an HX group of an aldimine of formula I. The compounds containing aldimine groups can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems.
    Type: Application
    Filed: May 2, 2012
    Publication date: August 30, 2012
    Applicant: SIKA TECHNOLOGY AG
    Inventor: Urs BURCKHARDT
  • Patent number: 8236565
    Abstract: In various aspects, the present teachings provide labeling reagents and sets of labeling reagents for the relative quantitation, absolute quantitation, or both, of hydroxylated compounds including, but not limited to, hydroxylated ring containing compounds, steroids and sterols. In various aspects, the present teachings also provide methods for the analysis hydroxylated compounds including, but not limited to, hydroxylated ring containing compounds, steroids and sterols my MS/MS methods.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: August 7, 2012
    Assignee: DH Technologies Development Pte. Ltd.
    Inventors: Subhasish Purkayastha, Subhakar Dey, Sasi Pillai
  • Publication number: 20120178942
    Abstract: Processes useful for the preparation of a Compound of Formula I: Formula (I). Intermediates useful for the preparation of the compound of Formula I, and processes useful for preparing said intermediates are disclosed.
    Type: Application
    Filed: July 27, 2010
    Publication date: July 12, 2012
    Inventors: John Traverse, William M. Leong, Steven P. Miller, Jennifer Albaneze-Walker, Thomas J. Hunter, Lijun Wang, Hongbiao Liao, Ashok Arasappan, Scott T. Trzaska, Randi M. Smith, Azzeddine Lekhal, Stephane L. Bogen, Jianshe Kong, Frank Bennett, F. George Njoroge, Marc Poirier, Shen-Chun Kuo, Yonggang Chen, Kenneth S. Matthews, Patrice Demonchaux, Amadeo Ferreira
  • Publication number: 20120171478
    Abstract: The present disclosure is directed to a sag control agent comprising a reaction product of an isocyanate and a fluorinated amine. This disclosure is further directed to a coating composition comprising the sag control agent. This disclosure is also directed to a process of forming a sag-free coating layer on a substrate.
    Type: Application
    Filed: September 16, 2010
    Publication date: July 5, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Rajesh Gopalan Saliya, Ayumu Yokoyama, Sheau-Hwa Ma, Axel Hans-Joachim Herzog
  • Patent number: 8158817
    Abstract: The invention relates to a process for the synthesis of a polyisocyanate composition comprising acylureas. According to the invention, a starting composition comprising a compound having at least two isocyanate functional groups is subjected to a reaction with at least two acid functional groups, with at least one of the acid functional groups having a pKa value of less than or equal to 3, and at least one of the acid functional groups having a pKa value of more than 3 and less than or equal to 6, at a temperature at least equal to 50 ° C., wherein the acid functional group having a pKa value of less than or equal to 3 and the acid functional group having a pKa value of more than 3 and less than or equal to 6 are present on two different acids or on the same acid.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: April 17, 2012
    Assignee: Perstorp France
    Inventors: Jean-Marie Bernard, Denis Revelant, Cédric Amouyal
  • Patent number: 8153838
    Abstract: An isocyanate is produced by: (a) reacting chlorine with carbon monoxide to form phosgene, (b) reacting the phosgene with an organic amine to form an isocyanate and hydrogen chloride, (c) separating the isocyanate and hydrogen chloride, (d) optionally, purifying the hydrogen chloride, (e) preparing an aqueous solution of the hydrogen chloride, (f) optionally, purifying the aqueous solution of hydrogen chloride, (g) subjecting the aqueous hydrogen chloride solution to electrochemical oxidation to form chlorine, and (h) returning at least a portion of the chlorine produced in (g) to (a).
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: April 10, 2012
    Assignee: Bayer MaterialScience AG
    Inventors: Andreas Bulan, Rainer Weber, Wolfgang Lorenz, Gerhard Moormann, Friedhelm Kämper, Berthold Keggenhoff
  • Patent number: 8148488
    Abstract: Disclosed is a polyisocyanate composition which is excellent in both curability and drying characteristic. The polyisocyanate composition contains at least one compound selected from aliphatic diisocyanates, at least one compound selected from alicyclic diisocyanates and at least one compound selected from polyols, while satisfying all of the following conditions; i) the diisocyanate monomer concentration is not more than 3 mass %, ii) the polyol component concentration is 1-50 mass %; and iii) the glass transition temperature is from ?50° C. to 0° C.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: April 3, 2012
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Yoshiyuki Asahina, Masakazu Yamauchi, Hironori Katagawa
  • Patent number: 8143325
    Abstract: Absorbable polyurethanes, polyamides and polyester urethanes prepared from at least one compound selected from: or the diamines and diisocyanates thereof, wherein each X represents a member independently selected from —CH2COO— (glycolic acid moiety), —CH(CH3)COO— (lactic acid moiety), —CH2CH2OCH2COO— (dioxanone), —CH2CH2CH2CH2CH2COO— (caprolactone moiety), —(CH2)yCOO— where y is one of the numbers 2, 3, 4 or 6-24 inclusive, and —(CH2CH2O)z?CH2COO— where z? is an integer between 2 and 24, inclusive; each Y represents a member independently selected from —COCH2O— (glycolic ester moiety), —COCH(CH3)O— (lactic ester moiety), —COCH2OCH2CH2O— (dioxanone ester), —COCH2CH2CH2CH2CH2O— (caprolactone ester), —CO(CH2)mO— where m is an integer between 2, 3, 4 or 6-24 inclusive, —COCH2O(CH2CH2O)n— where n is an integer between 2 and 24, inclusive; R? is hydrogen, benzyl or an alkyl group, the alkyl group being either straight-chained or branched; p is an integer between 1 and 4, inclusive; and Rn represents one or more
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: March 27, 2012
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20120045390
    Abstract: The present invention is directed to compositions of matter useful for the diagnosis and treatment of tumor in mammals and to methods of using those compositions of matter for the same.
    Type: Application
    Filed: September 5, 2003
    Publication date: February 23, 2012
    Applicant: Genentech, Inc.
    Inventors: Frederic J. DeSauvage, William I. Wood, Zemin Zhang
  • Patent number: 8119831
    Abstract: The invention relates to a novel poly(ethylene oxide)imine; a novel amine reactive moiety; a novel moisture activated latent curing adhesive or sealant mixture comprising (1) a ketimine or aldimine, and (2) an amine reactive moiety; and a novel moisture activated latent curing adhesive or sealant comprising the reaction product of (1) and (2).
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: February 21, 2012
    Assignee: Ethicon, Inc.
    Inventor: Chetan Anirudh Khatri
  • Patent number: 8071663
    Abstract: The present invention is directed to a medically acceptable formulation comprising a diisocyanate terminated macromer or mixture thereof, and bio-absorbable desiccant comprising a hygroscopic and/or hydrophilic or combination thereof. The present invention is also directed to methods of use for such formulations for medical procedures.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: December 6, 2011
    Assignee: Ethicon, Inc.
    Inventors: Benjamin D. Fitz, Elizabeth Vailhe, Joseph Zavatsky, Christopher M. Westergom
  • Patent number: 8058382
    Abstract: The invention relates to a process for preparing polyisocyanates having a high uretdione group content by phosphine-catalysed isocyanate oligomerization in the presence of organic carbonates and/or nitriles.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: November 15, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Frank Richter, Hans-Josef Laas, Reinhard Halpaap, Andreas Hecking
  • Publication number: 20110275802
    Abstract: The present invention relates to a process for modifying diisocyanates for preparing polyisocyanates, where the diisocyanate is reacted using a catalyst, wherein the diisocyanate used is obtained by quenching a gaseous reaction mixture in the phosgenation of diamines in the gas phase, wherein the gaseous reaction mixture comprises at least a diisocyanate, phosgene and hydrogen chloride, wherein a quenching liquid is sprayed into the gas mixture which flows continuously from a reaction zone into a downstream quenching zone, and wherein the quenching liquid is sprayed in by at least two spray nozzles which are arranged at the inlet of the quenching zone at equal intervals along the circumference of the quenching zone.
    Type: Application
    Filed: November 26, 2009
    Publication date: November 10, 2011
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Frank Richter, Reinhard Halpaap
  • Patent number: 8044234
    Abstract: Compounds are provided which can form bioabsorbable compositions useful as adhesives or sealants for medical/surgical applications. In embodiments, suitable compositions may possess various functional groups, including groups derived from multifunctional compounds, aliphatic or aromatic groups, groups derived from aliphatic diacids, groups derived from a dihydroxy compound, and combinations thereof. Methods for forming these compositions, as well as uses thereof, are also provided.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: October 25, 2011
    Assignee: Tyco Healthcare Group LP
    Inventors: Ahmad R. Hadba, Walter Skalla, Nadya Belcheva
  • Patent number: 8044235
    Abstract: A monomer is provided which is excellent in reactivity, can give high heat resistance and high refractive index, and has two or more polymerizable functional groups with different polymerization properties and an aromatic ring in the molecule. An industrial advantageous process for producing the monomer is also provided. The monomer is an aromatic isocyanate compound containing a (meth)acryloyl group, and is represented by Formula (I): wherein R1 is a single bond or a linear or branched alkylene group of 1 to 5 carbon atoms, R2 is a hydrogen atom or a methyl group, R3 is a single bond or a linear or branched alkylene group of 1 to 3 carbon atoms, X is independently a halogen atom or an electron-withdrawing group, m is an integer ranging from 0 to 4, n is an integer ranging from 1 to 3, and 1?m+n?5.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: October 25, 2011
    Assignee: Showa Denko K.K.
    Inventors: Kaneo Nozawa, Katsutoshi Ohno, Yotaro Hattori
  • Publication number: 20110251423
    Abstract: The present invention relates to a process for preparing colorless polyisocyanates, in particular for reducing the color of polyisocyanates.
    Type: Application
    Filed: October 19, 2009
    Publication date: October 13, 2011
    Applicant: BASF SE
    Inventors: Horst Binder, Matthias Kroner, Alexander Bayer
  • Publication number: 20110251424
    Abstract: The invention relates to low monomer 1:1 monoadducts of reactive olefinic compounds and diisocyanates, to the production and to the use thereof.
    Type: Application
    Filed: October 22, 2009
    Publication date: October 13, 2011
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Emmanouil Spyrou, Stephan Kohlstruk, Elke Gollan, Andrea Henschke, Nicole Fresmann
  • Patent number: 8022200
    Abstract: The invention relates to a process for the preparation of liquid, storage-stable isocyanate mixtures which are characterized by a low color number and which contain carbodiimide (CD) and/or uretonimine (UI) groups. This invention also relates to the isocyanate mixtures obtained by this process, to their use for the preparation of blends with further isocyanates, and to the preparation of prepolymers containing isocyanate groups and of polyurethane plastics, preferably polyurethane foams from these isocyanate mixtures.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: September 20, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Stefan Wershofen, Manfred Schmidt, Hans-Georg Pirkl, Nobuhiro Kamiyama, Shinichi Murakami, Tetsuo Harada
  • Publication number: 20110224395
    Abstract: The present invention relates to a process for manufacturing isocyanates from an amine compound. The process comprises the steps of a) Providing chlorine; b) Providing carbon monoxide; c) Reacting said chlorine and said carbon monoxide for providing phosgene, the carbon monoxide being provided in an adjustable molar excess; d) Providing an amine compound and phosgenating said amine compound using said phosgene thereby providing said isocyanate; the process further comprises adjusting said adjustable molar excess, i.e. the molar excess of carbon monoxide, for adjusting the colour of the isocyanate.
    Type: Application
    Filed: November 5, 2009
    Publication date: September 15, 2011
    Applicant: Huntsman International LLC
    Inventors: Robert Henry Carr, Johannes Lodewijk Koole, Udo Brian Dave Mike Rodger Bruinsma
  • Patent number: 7994361
    Abstract: The invention relates to a process for preparing aromatic diisocyanates by reaction of phosgene with diamines in the gas phase, in which the reaction is carried out in a reaction zone at moderate pressures, i.e. the pressure in this reaction zone is more than 3 bar and less than 20 bar.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: August 9, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Woelfert, Christian Mueller, Eckhard Stroefer, Markus Weber, Joachim Pfeffinger, Carsten Knoesche