Nitrogen Containing Substituent Patents (Class 544/222)
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Patent number: 11352460Abstract: A waterborne poly(alkynyl carbamate) prepolymer is provided which comprises a reaction product of a polyisocyanate comprising a first portion and a second portion of isocyanate groups; an isocyanate-reactive component comprising 0.1 mol % to 6 mol % of a C10-C50 glycol ether; and 99.9 mol % to 94 mol % of an alkynol, wherein the mol % is based on the moles of isocyanate in the polyisocyanate, wherein the first portion of isocyanate groups reacts with the C10-C50 glycol ether, wherein the second portion of isocyanate groups reacts with the alkynol, and wherein reaction occurs optionally in the presence of a catalyst. The reaction of long chain glycol ethers with the polyisocyanate at a level of from 0.1 mol % to 6 mol % imparts water dispersibility to the prepolymer, and when the prepolymer is dispersed in water, the performance of waterborne alternative polyurethane compositions made therefrom, such as coatings, adhesives, sealants, films, elastomers, castings, foams, and composites, are not compromised.Type: GrantFiled: November 25, 2019Date of Patent: June 7, 2022Assignees: COVESTRO LLC, THE UNIVERSITY OF SOUTHERN MISSISSIPPIInventors: Alan Ekin, Robson F. Storey, Jie Wu
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Patent number: 11292866Abstract: An alternative polyurethane composition is provided which comprises a reaction product of an azidated polyol and a poly(alkynyl carbamate) prepolymer, wherein reaction occurs at a temperature of from 20° C. to 200° C., optionally in the presence of a CuI-containing catalyst and wherein the poly(alkynyl carbamate) prepolymer comprises a reaction product of a polyisocyanate, an alkynol, and a glycol ether, wherein from 1 mol % to 33 mol % of isocyanate groups are reacted with glycol ether and the remaining isocyanate groups are reacted with the alkynol. The inclusion of glycol ethers into the polyisocyanate chain of the poly(alkynyl carbamate) prepolymer at a level of from 1 mol % to 33 mol %, is efficient in reducing the viscosity of the composition without compromising its performance in coatings, adhesives, sealants, films, elastomers, castings, foams, and composites made with the inventive alternative polyurethane compositions.Type: GrantFiled: November 25, 2019Date of Patent: April 5, 2022Assignees: Covestro LLC, The University Of Southern MississippiInventors: Alan Ekin, Robson F. Storey, R. Hunter Cooke, III, Harrison A. Livingston, Jie Wu
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Patent number: 11267927Abstract: The present invention provides alternative polyurethane composition comprising the reaction product of an azidated polyol and a poly(alkynyl carbamate) prepolymer, wherein the poly(alkynyl carbamate) prepolymer comprises the reaction product of a polyisocyanate, an alkynol, and an oxysilane. The reaction of the polyol and the prepolymer may occur in the presence of a catalyst or at a temperature of from 20° C. to 120° C. The inventive oxysilane and azido-alkyne hybrid click formulations provide comparable performance, and in some cases better performance, to/than urethane and azido-alkyne control click formulations in terms of pencil hardness, MEK double rubs, and glass transition temperature. The inventive alternative polyurethane compositions may be used to provide coatings, adhesives, sealants, films, elastomers, castings, and composites.Type: GrantFiled: November 25, 2019Date of Patent: March 8, 2022Assignees: Covestro LLC, The University Of Southern MississippiInventors: Alan Ekin, Robson F. Storey, R. Hunter Cooke, III, Harrison A. Livingston
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Patent number: 11174337Abstract: The present invention provides an isocyanate composition including an isocyanate compound having an ethylenically unsaturated bond, a compound represented by formula (1) (in the formula, R1 represents an a-valent organic group, R2 represents a monovalent organic group, a represents an integer of 1 or 2), and/or a compound having a UV absorption in a spectral region of a decamer or higher isocyanate measured by gel permeation chromatography; and an isocyanate composition including an isocyanate compound having an ethylenically unsaturated bond, or a compound having at least one unsaturated bond other than an unsaturated bond constituting an aromatic ring or an inert compound such as a hydrocarbon compound or the like and having a carbon-carbon unsaturated bond other than an unsaturated bond constituting an aromatic ring; or the like R1—(COO—R2)a??(1).Type: GrantFiled: October 13, 2017Date of Patent: November 16, 2021Assignee: Asahi Kasei Kabushiki KaishaInventors: Nobuhisa Miyake, Masaaki Shinohata, Atsushi Ohkubo, Koichi Nakaoka, Yuji Kosugi
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Patent number: 10738188Abstract: Disclosed is a linear low-density polyethylene grafted with maleic anhydride (MAH-g-LLDPE). The MAH-g-LLDPE has a unique combination of properties including a low density and a high melt index.Type: GrantFiled: July 16, 2018Date of Patent: August 11, 2020Assignee: Westlake Longview CorporationInventors: John H. Brindle, Jr., Richard K. Stuart, Jr., James H. Scott, David B. Conner, Kevin J. Taylor, Scott T. Trochim
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Patent number: 10376859Abstract: The invention is directed to a urea plant with a high pressure synthesis section and a recovery section. The high pressure synthesis section comprises a reactor, a stripper and a condenser, wherein the reactor operates at a higher pressure than the stripper and the condenser. The plant further includes a compression unit between the condenser and the reactor. The compression unit utilizes mechanical energy recovered from a decompression unit positioned downstream of the stripper and upstream of the recovery section.Type: GrantFiled: March 30, 2017Date of Patent: August 13, 2019Assignee: STAMICARBON B.V.Inventors: Juan Coloma González, Luc Louis Maria Dieltjens, Johannes Henricus Mennen
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Patent number: 9981924Abstract: Disclosed is a process for the integrated production of urea and melamine. A urea production zone produces a urea synthesis stream comprising urea, water and ammonium carbamate. This stream is subjected to processing, preferably involving stripping, so as to separate an aqueous urea stream from residual dissociated carbamate vapor comprising ammonia, carbon dioxide, and water. The urea is fed to a melamine synthesis zone and subjected to melamine forming conditions so as to form melamine and off-gas comprising carbon dioxide and ammonia. The dissociated carbamate vapor and the melamine off-gas are subjected to combined condensation so as to form a dilute melamine off-gas condensate.Type: GrantFiled: August 31, 2017Date of Patent: May 29, 2018Assignee: Stamicarbon B.V.Inventor: Johannes Henricus Mennen
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Patent number: 9354355Abstract: The present invention relates to a composition comprising 10 to less than 50 wt.-% of at least one oligomeric polyisocyanate a-1) based on hexamethylene diisocyanate and more than 50 to 90 wt.-% of at least one polyisocyanate a-2) based on isophorone diisocyanate, comprising monomeric isophorone diisocyanate and at least one oligomeric isophorone diisocyanate, and an isocyanate-reactive component selected from the group consisting of polyester polyol, polyether polyol and mixtures thereof. It has been shown that the above mentioned mixture of the specific isocyanate group containing components improves the thermal and mechanical properties of a cured composition. Thus prepared molded articles are particularly suitable for the preparation of spectacle lenses, inter alia due to these properties.Type: GrantFiled: April 22, 2013Date of Patent: May 31, 2016Assignee: COVESTRO DEUTSCHLAND AGInventors: Dorota Greszta-Franz, Hans-Josef Laas, Hartmut Nefzger, Jens Krause
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Patent number: 9353209Abstract: The present invention relates to a composition comprising 10 to 50 wt.-% of at least one polyisocyanate a-1) based on hexamethylene diisocyanat, comprising at least one oligomeric polyisocyanate based on hexamethylene diisocyanate and optionally monomeric hexamethylene diisocyanate and 50 to 90 wt.-% of at least one polyisocyanate a-2) based on isophorone diisocyanate, comprising at least one oligomeric polyisocyanate based on isophorone diisocyanate and optionally monomeric isophorone diisocyanate, with the proviso that at least one of the components a-1) and a-2) additionally comprises monomeric isocyanate of the named kind, as well as at least one sulfur-containing component. It has been shown that the above mentioned mixture of the specific isocyanate group containing components improves the thermal and mechanical properties of a cured composition. Thus prepared molded articles are particularly suitable for the preparation of spectacle lenses, inter alia due to these properties.Type: GrantFiled: April 22, 2013Date of Patent: May 31, 2016Assignee: COVESTRO DEUTSCHLAND AGInventors: Dorota Greszta-Franz, Jens Krause, Hans-Josef Laas
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Patent number: 9200404Abstract: An aqueous leather coating composition having improved storage stability includes 1 to 40 weight percent of an emulsifiable polyisocyanate comprising the reaction product of an isocyanurate and an emulsifier, wherein the average isocyanate functionality of the emulsifiable polyisocyanate is 2 to 4.5; and 60 to 99 weight percent of an aqueous polymer dispersion having a Tg of ?70 to 40° C. and selected from a (meth)acrylic polymer dispersion, a polyurethane dispersion, a (meth)acrylic polymer/polyurethane hybrid dispersion and a combination comprising one or more of the foregoing aqueous polymer dispersions, wherein all weight percents are on a dry basis, and based on the total dry amount of the emulsifiable polyisocyanate and the aqueous polymer dispersion. The aqueous polymer dispersion can be free of hydroxyl groups. Also disclosed are a method of coating leather with the composition, and a coated leather article.Type: GrantFiled: October 28, 2013Date of Patent: December 1, 2015Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Adam L. Grzesiak, Joseph M. Hoefler, Debkumar Bhattacharjee, Bradley K. Hageman
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Publication number: 20150105553Abstract: The present invention is directed to a monomer useful in preparing therapeutic compounds. The monomer includes a diversity element which potentially binds to a target molecule with a dissociation constant of less than 300 ?M and a linker element connected to the diversity element. The linker element has a molecular weight less than 500 daltons, is connected, directly or indirectly through a connector, to said diversity element, and is capable of forming a reversible covalent bond or non-covalent interaction with a binding partner of the linker element. The monomers can be covalently or non-covalently linked together to form a therapeutic multimer or a precursor thereof. Also disclosed is a method of screening for therapeutic multimer precursors which bind to a target molecule associated with a condition and a method of screening for linker elements capable of binding to one another.Type: ApplicationFiled: July 29, 2014Publication date: April 16, 2015Inventors: Francis BARANY, Maneesh PINGLE, Donald BERGSTROM, Sarah Filippa GIARDINA
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Patent number: 8957176Abstract: The invention provides innovative blocked polyisocyanates whose crosslinking is initiated thermally and photochemically. The polyisocyanates comprise at least one thermally reversibly blocked NCO group whose blocking agent contains at least one group which on exposure to actinic radiation reacts, with polymerization, with ethylenically unsaturated compounds. A process for preparing the polyisocyanates, and their use in binders, is also provided.Type: GrantFiled: September 2, 2005Date of Patent: February 17, 2015Assignee: ALLNEX IP S.à.r.L.Inventors: Thomas Fäcke, Jan Weikard, Wolfgang Fischer
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Patent number: 8952120Abstract: 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: GrantFiled: September 21, 2006Date of Patent: February 10, 2015Assignee: Asahi Kasei Chemicals CorporationInventors: Yoshiyuki Asahina, Masakazu Yamauchi
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Publication number: 20150018550Abstract: Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed.Type: ApplicationFiled: September 29, 2014Publication date: January 15, 2015Inventors: Steven J. Hobbs, Gregory J. McCollum, Juexiao Cai, Marfi Ito, Lawrence G. Anderson, Renhe Lin
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Publication number: 20140371447Abstract: Mercapto-containing organosilicon compounds of specific structure are low volatile and serve to enhance the adhesion of resins to inorganic substrates.Type: ApplicationFiled: April 22, 2014Publication date: December 18, 2014Applicant: Shin-Etsu Chemical Co., Ltd.Inventor: Munenao HIROKAMI
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Publication number: 20140275410Abstract: The invention relates to an isocyanate-terminated polysiloxane material that can preferably be used as a curing agent, hardener or co-reactant in coatings. The invention further relates to a method of manufacturing the isocyanate-terminated polysiloxane material by partially hydrolyzing a methoxy-functional polysiloxane such as a methyl phenyl polysiloxane, and reacting it with a polyisocyanate to yield the isocyanate-terminated polysiloxane hardener. The hardener can preferably be used with any isocyanate-reactive functional group of another component to form coating systems, including acrylics, polyesters, epoxies and urethanes.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: Jones-Blair companyInventors: Jasmine Keuk, Chiew W. Koay, Douglas E. Johnston, Carolina A. Flanigan, Larry Dale Wyman, Roland L. Gasmena, Paul Anthony Lum
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Publication number: 20140249273Abstract: The below compound, which may be made by reacting a 3-trialkoxysilylpropyl amine with an acrylic acid ester, a methacrylic acid ester, a diester of maleic acid, a diester of fumaric acid, or acrylonitrile to form a secondary amino propylalkoxysilane, and reacting the secondary amino propylalkoxysilane with an isocyanate. R1 is an alkyl group, X is —CHR3—CHR4—CO—O—R2 or —CH2—CH2—CN, R2 is an organic group, R3 is —H or —CO—O—R2, R4 is —H or —CH3, but R4 is —H if R3 is —CO—O—R2, R5 is an aliphatic group or a residue of hexamethylene diisocyanate cyclic trimer or hexamethylene diisocyanate cyclic dimer, and n is 2 or 3. The below compound, which may be made by reacting a 3-trialkoxysilylpropyl amine with acrylonitrile. R1 is an alkyl group.Type: ApplicationFiled: February 26, 2014Publication date: September 4, 2014Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Arthur A. Webb, Jozef Verborgt
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Publication number: 20140206866Abstract: Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed.Type: ApplicationFiled: February 11, 2014Publication date: July 24, 2014Inventors: Steven J. Hobbs, Gregory J. McCollum, Juexiao Cai, Marfi Ito, Lawrence G. Anderson, Renhe Lin
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Publication number: 20140163165Abstract: The invention relates to low molecular mass products and to the use thereof as reversible or permanent low-temperature crosslinkers in Diels-Alder reactions.Type: ApplicationFiled: June 29, 2012Publication date: June 12, 2014Applicant: Evonik Degussa GmbHInventors: Friedrich Georg Schmidt, Stefan Hilf, Emmanouil Spyrou, Jiawen Zhou, Nathalie Guimard, Christopher Barner-Kowollik, Kim Klaus Oehlenschlaeger, Andre Hennig
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Patent number: 8716426Abstract: 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: GrantFiled: December 8, 2009Date of Patent: May 6, 2014Assignee: Perstorp FranceInventors: Jean-Marie Bernard, Johannès Schwarz, Philippe Olier
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Patent number: 8647538Abstract: The present invention relates to photochromic compounds that include at least two photochromic moieties that are linked together by a multivalent linking group. The multivalent linking group can be selected so as to be flexible and/or substantially prevent electronic interaction between any two photochromic moieties through the multivalent linking group. The present invention also relates to photochromic compositions and articles that include at least a photochromic amount of one or more photochromic compounds of the present invention.Type: GrantFiled: November 22, 2011Date of Patent: February 11, 2014Assignee: Transitions Optical, Inc.Inventors: Yunyi Lu, Wenjing Xiao, Robert W. Walters, Feng Wang, M. Frank Haley, Jason R. Lewis, Anu Chopra, Beon-Kyu Kim, Huayun Yu
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Publication number: 20130296455Abstract: Disclosed are a dye that is excellent in solubility and heat-resistance, and a novel compound that is suitable for the dye, and specifically provides a yellow dye having a maximum absorption wavelength in the region of 420 to 470 nm. Also disclosed are a colored (alkali-developable) photosensitive composition and an optical filter using the dye, and specifically provides a color filter that does not decrease luminance and thus is preferable for an image display device such as a liquid crystal display panel. Specifically, disclosed are a novel compound represented by the following general formula (1), a dye using the compound, and a colored (alkali-developable) photosensitive composition and a color filter. The content of the above-mentioned general formula (1) is as described in the description.Type: ApplicationFiled: December 27, 2011Publication date: November 7, 2013Applicant: ADEKA CORPORATIONInventors: Yosuke Maeda, Masaaki Shimizu, Koichi Shigeno
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Patent number: 8445622Abstract: The present invention relates to a process for preparing polyisocyanates by oligomerization of isocyanates.Type: GrantFiled: November 30, 2007Date of Patent: May 21, 2013Assignee: BASF SEInventors: Horst Binder, Hubert Graf
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Patent number: 8415471Abstract: This invention relates to flexible cycloaliphatic diisocyanate trimers and a process for the preparation of these. These flexible products are allophanate-modified, partially trimerized cycloaliphatic diisocyanates and are characterized by a low Tg. More specifically, the Tg of the resultant product ranges from about ?30° C. to about 40° C., after the excess monomer has been removed from the product.Type: GrantFiled: November 29, 2007Date of Patent: April 9, 2013Assignee: Baver MaterialScience LLCInventors: Myron W. Shaffer, Michael K. Jeffries, David P. Zielinski
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Patent number: 8415265Abstract: A process for the preparation of melamine by decomposition of urea with the use of a catalyst, the catalyst comprising a) 10-90% by weight of zeolite, b) 10-90% by weight of a matrix comprising silica, alumina, silicon aluminum oxides and/or clay minerals, and c) 0-10% by weight of additives and the total content of nickel and vanadium in the catalyst being less than 500 ppm.Type: GrantFiled: May 21, 2008Date of Patent: April 9, 2013Assignee: BASF SEInventors: Christian Kuhrs, Andreas Kern, Tilo John, Wolfgang Steiner, Heiko Maas
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Publication number: 20130059941Abstract: Presently described are methods of surface treating inorganic oxide particles, hardenable (e.g. dental) compositions comprising a polymerizable resin composition and surface treated particles, as well as surface treated (e.g. nanocluster) inorganic oxide particles, and silane surface treatment compounds. In one embodiment, the method comprises forming a surface treatment compound by reacting a first functional group of a (meth)acrylate monomer having a molecular weight of at least 350 g/mole with a second functional group of a silane compound wherein the first and second functional group react to form a covalent bond; and combining the surface treatment compound with inorganic oxide particles.Type: ApplicationFiled: May 6, 2011Publication date: March 7, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Bradley D. Craig, Ahmed S. Abuelyaman, Sumita B. Mitra
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Patent number: 8373004Abstract: The present invention relates to a novel process for preparing colorless, isocyanurate group-comprising polyisocyanates of (cyclo)aliphatic diisocyanates.Type: GrantFiled: March 27, 2008Date of Patent: February 12, 2013Assignee: BASF SEInventors: Harald Schaefer, Carl Jokisch, Horst Binder, Matthias Kroner, Alexander Bayer
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Publication number: 20120296001Abstract: An object to be attained by the present invention is to provide an active energy ray-curable composition that is capable of producing a cured coating film having high scratch resistance and excellent transparency. The present invention relates to an active energy ray-curable composition containing a reactive particle (A) obtained by reacting a silica fine particle (a-1) and a hydrolysable silane (a-2) having one or more (meth)acryloyloxy groups and one or more isocyanurate ring structures in a molecule. The present invention also provides the active energy ray-curable composition according to the above, containing a photopolymerization initiator (B).Type: ApplicationFiled: January 5, 2011Publication date: November 22, 2012Inventors: Yoshinari Matsuura, Akinori Nagai, Atsuya Kato
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Publication number: 20120234205Abstract: Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed.Type: ApplicationFiled: March 6, 2012Publication date: September 20, 2012Applicant: PRC-DeSoto International, Inc.Inventors: Stephen J. Hobbs, Gregory J. McCollum, Juexiao Cai, Marfi Ito, Lawrence G. Anderson, Renhe Lin
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Publication number: 20120231376Abstract: The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photoinitiators, to the use of the photopolymer formulation for producing optical elements, in particular for producing holographic elements and images, to a method for illuminating holographic media made of the photopolymer formulation, and to special fluorourethanes.Type: ApplicationFiled: November 2, 2010Publication date: September 13, 2012Applicant: Bayer Intellectual Property GmbHInventors: Thomas Rölle, Friedrich-Karl Bruder, Thomas Fäcke, Marc-Stephan Weiser, Dennis Hönel
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Publication number: 20120164338Abstract: An isocyanurate compound for forming an organic anti-reflective coating layer, which has superior stability and etch rate at a high temperature, and which has a high refractive index, is represented by following Formula 1. In Formula 1, R is independently a hydrogen atom or a methyl group, R1 is independently a chain type or ring type saturated or unsaturated hydrocarbyl group of 1 to 15 carbon atoms containing 0 to 6 of hetero atoms, and R2 independently a chain type or ring type saturated or unsaturated hydrocarbyl group of 1 to 15 carbon atoms containing 0 to 15 of hetero atoms, wherein, R1 can have at least two bonding parts, and in the case that R1 has at least two bonding parts, the rest parts except R1 of the compounds represented by Formula 1 can connect to the R1 to form a polymer structure.Type: ApplicationFiled: September 14, 2010Publication date: June 28, 2012Applicant: Dongjin Semichem Co., Ltd.Inventors: Hyo-Jung Roh, Dong-Kyu Ju, Hyun-Jin Kim, Deog-Bae Kim
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Publication number: 20120136148Abstract: The present invention relates to photochromic compounds that include at least two photochromic moieties that are linked together by a multivalent linking group. The multivalent linking group can be selected so as to be flexible and/or substantially prevent electronic interaction between any two photochromic moieties through the multivalent linking group. The present invention also relates to photochromic compositions and articles that include at least a photochromic amount of one or more photochromic compounds of the present invention.Type: ApplicationFiled: November 22, 2011Publication date: May 31, 2012Applicant: TRANSITIONS OPTICAL, INC.Inventors: Yunyi Lu, Wenjing Xiao, Robert W. Walters, Feng Wang, M. Frank Haley, Jason R. Lewis, Anu Chopra, Beon-Kyu Kim, Huayun Yu
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Patent number: 8148488Abstract: 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: GrantFiled: March 1, 2005Date of Patent: April 3, 2012Assignee: Asahi Kasei Chemicals CorporationInventors: Yoshiyuki Asahina, Masakazu Yamauchi, Hironori Katagawa
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Patent number: 8119799Abstract: The present invention relates to novel catalysts for preparing polyisocyanates having isocyanurate groups by a partial trimerization of (cyclo)aliphatic diisocyanates.Type: GrantFiled: March 9, 2005Date of Patent: February 21, 2012Assignee: BASF AktiengesellschaftInventors: Horst Binder, Hubert Graf, Frank Braun, Bernd Spies, Heinrich Kieslich
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Patent number: 8106195Abstract: There are disclosed urethane acrylates of Formula 1: where R1a, R1b and R1c each independently represent C2-15hydrocarbylene, preferably linear C3-12alkylene (such as, C4-8alkylene; e.g. hexylene); a isophorone unit and/or a tolyl unit. R2a, R2b and R2c each independently represent: a divalent moiety of (Formula 2) where X and Y independently represent C2-10hydrocarbylene, preferably C2-8alkylene; and k is from 0 to 30; l is from 0 to 30; and ‘k+l’ is from 1 to 30; and/or a divalent moiety of Formula 3 where V and W independently represent C2-10hydrocarbylene, preferably C2-8alkylene; and i is from 0 to 30; j is from 0 to 30; and ‘i+j’ is from 1 to 30; p is from 1 to 10; and r is from 1 to 10; and R3a R3b and R3c each independently represent H or methyl (i.e.Type: GrantFiled: October 25, 2006Date of Patent: January 31, 2012Assignee: Cytec Surface Specialties, S.A.Inventors: Toru Konishi, Noboru Maejima, Makiya Ito
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Publication number: 20110275802Abstract: 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: ApplicationFiled: November 26, 2009Publication date: November 10, 2011Applicant: BAYER MATERIALSCIENCE AGInventors: Frank Richter, Reinhard Halpaap
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Publication number: 20110082226Abstract: Disclosed is a multi-isocyanate prepolymer formed by reacting diisocyanate and/or diisocyanate trimer with diol and/or triol. Because the prepolymer and the diol/triol have similar molecular weights, additional crosslink agents such as diamine, multi-amine, or combinations thereof are not necessary. Furthermore, the prepolymer can be blown to form foam, or directly gelled to form an unbubbled product such as film.Type: ApplicationFiled: December 30, 2009Publication date: April 7, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Fan Jeng Tsai, Yih-Her Chang, Chih-Chien Chen, Yuung-Ching Sheen, Kai-Wen Chang
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Patent number: 7906606Abstract: Solvent-containing formulations including NCO-containing prepolymers based on TDI isocyanurate polyisocyanates and diphenylmethane diisocyanates where some prepolymers are prepared using a polyetherdiol containing ethylene oxide blocks and having an ethylene oxide content of from 2 to 18% by weight, based on all the alkylene oxide units. The formulation have an NCO content of 1% to 7% by weight, a solids content of 20% to 70% by weight, a monomeric TDI content of less than 0.2% by weight and a monomeric methylenediphenyl diisocyanate content of less than 2% by weight. The solvent-containing formulations can be prepared in organic solvents by reacting at least one of A) a TDI component comprising TDI isocyanurate polyisocyanates and B) an MDI component comprising diphenylmethane diisocyanates with C) a polyetherdiol. The solvent-containing formulations can be used in moisture-curing coating compositions, adhesive bonds and/or seals with substrates.Type: GrantFiled: March 23, 2005Date of Patent: March 15, 2011Assignee: Bayer MaterialScience AGInventors: Meike Niesten, Christoph Irle, Federico Comajuan, Maria Almató Guiteras, Amadeo Vicente
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Publication number: 20110009270Abstract: A composition to enhance efficiency of Photosynthesis and thereby increase agriculture/horticulture yield, containing approximately 5% to 90% Melamine, approximately 10% to 80% Ortho Phosphoric acid, approximately 8% POTASSIUM HYDROXIDE, approximately 8% Sodium Hydroxide, and up to approximately 30% POTASSIUM SULPHATE, with approximately 5% of 0.5% DIETHYL AMINOETHYL HEXANOTE, approximately 10% ZINC SULPHATE MONOHYDRATE, approximately 8% to 15% Octoborate with IGSURF 6000, and approximately 5% to 10% wetting agent to get a product for boosting Photosynthesis in liquid, soluble powder, and/or granule form.Type: ApplicationFiled: August 21, 2008Publication date: January 13, 2011Applicant: SREE RAMCIDES CHEMICALS PVT LTDInventor: Sundaresan Subramanyan
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Publication number: 20110003990Abstract: The present invention concerns process for obtaining melamine at high purity characterized by comprising the steps of:—quenching a melamine melt, deprived of off-gases of the melamine synthesis and containing melamine impurities such as ammeline, ammelide and polycondensates, with an aqueous solution comprising ammonia under conditions such to substantially convert polycondensates into melamine, obtaining a melamine solution substantially free of polycondensates, recovering melamine from said melamine solution by melamine crystallisation, obtaining melamine crystals and a melamine crystallization mother liquor,—treating said crystallization melamine mother liquor under conditions such to convert at least a portion of its ammeline content into ammelide and melammine, obtaining a treated mother liquid having at least a reduced ammeline content.Type: ApplicationFiled: February 24, 2009Publication date: January 6, 2011Applicant: Urea Casale S.A.Inventor: Giancarlo Sioli
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Publication number: 20100319580Abstract: The invention relates to alcohol-modified glycidyl carbamate resins wherein at least some of the glycidol groups in the resin have been replaced with an alcohol. The invention also relates to coating compositions containing the resins.Type: ApplicationFiled: September 29, 2008Publication date: December 23, 2010Inventors: Dean C. Webster, Umesh Harkal, James Garrett
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Publication number: 20100307378Abstract: The present invention relates, generally, to monomers containing carbamate-methacrylates or derivatives of carbamate-methacrylates, processes for making the monomers, and compositions comprising the monomers. The present invention also relates to methods of using the monomers, such as in dental applications, and in particular, dental restorative resins.Type: ApplicationFiled: April 8, 2010Publication date: December 9, 2010Applicant: SEPTODONT CONFI-DENTAL DIVISIONInventors: Marianela Trujillo-Lemon, Kristin Lindsay Wall, Kristina Esquibel, Jordan Boulden, Amy J. Docktor, Zachary R. Shelton, Cora Bracho-Troconis
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Patent number: 7767624Abstract: Disclosed are 3-heterocyclyl substituted benzoic acid derivatives of general formula (I), in which the variables R1 to R8 and X have the meanings indicated in claim 1, and the use thereof as herbicides or for desiccating/defoliating plants.Type: GrantFiled: July 22, 2003Date of Patent: August 3, 2010Assignee: BASF AktiengesellschaftInventors: Michael Puhl, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Werner Seitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
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Publication number: 20100184976Abstract: A process for the preparation of melamine by decomposition of urea with the use of a catalyst, the catalyst comprising a) 10-90% by weight of zeolite, b) 10-90% by weight of a matrix comprising silica, alumina, silicon aluminum oxides and/or clay minerals, and c) 0-10% by weight of additives and the total content of nickel and vanadium in the catalyst being less than 500 ppm.Type: ApplicationFiled: May 21, 2008Publication date: July 22, 2010Applicant: BASF SEInventors: Christian Kuhrs, Andreas Kern, Tilo John, Wolfgang Steiner, Heiko Maas
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Publication number: 20100160557Abstract: An object of the present invention is to provide a reactive urethane compound having superior curability, adhesion to substrates, transparency, molecular flexibility, and mechanical properties, a curable composition containing the compound, and a cured material formed from the composition. An ethylenically-unsaturated-group containing reactive urethane compound of the present invention is represented by formula (I): wherein R1 and R2 are each independently a hydrogen atom or an alkylene group; R3 is a hydrogen atom, a alkyl group, or an aryl group; R4 is a single bond or an alkylene group; R5 is a hydrogen atom or a methyl group; R6 is an oxygen atom, a sulfur atom, or an imino group; n is 2 to 12; m is 1 to 300; and X is an aliphatic, aromatic or heterocyclic compound residue.Type: ApplicationFiled: May 21, 2008Publication date: June 24, 2010Applicant: SHOWA DENKO K.K.Inventors: Katsumi Murofushi, Nobuaki Ishii, Miyuki Tomita, Yotaro Hattori, Yoshifumi Urakawa
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Patent number: 7700775Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.Type: GrantFiled: March 1, 2002Date of Patent: April 20, 2010Assignee: Emisphere Technologies, Inc.Inventors: Jun Liao, David Gschneidner, John J. Weidner, Nai Fang Wang
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Publication number: 20100087611Abstract: It is an object of the present invention to provide a urethane compound capable of providing a cured product which is excellent in surface hardness, scratch resistance, flexibility and bending property, has reduced curling property and also has good transparency, a curable composition containing the same and a cured product thereof. The curable composition of the present invention is characterized by containing a specific urethane compound having an isocyanurate ring skeleton and a polymerization initiator.Type: ApplicationFiled: April 24, 2008Publication date: April 8, 2010Applicant: SHOWA DENKO K.K.Inventors: Yoshifumi Urakawa, Nobuaki Ishii, Nobuyuki Mitarai, Yotaro Hattori, Hiroko Oi, Katsumi Murofushi
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Publication number: 20100081604Abstract: The present invention relates to a liquid hard surface cleaning composition comprising melamine foam fibres, wherein said composition is packaged in a container.Type: ApplicationFiled: September 28, 2009Publication date: April 1, 2010Inventors: Bruce Barger, Jacqueline Marie Duderstadt, Denis Alfred Gonzales, Stefano Scialla
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Publication number: 20100081605Abstract: The present invention relates to a liquid hard surface cleaning composition comprising melamine foam fibres, wherein said compositions has a pH of from about 7 to about 12.Type: ApplicationFiled: September 28, 2009Publication date: April 1, 2010Inventors: Bruce Barger, Jacqueline Marie Duderstadt, Denis Alfred Gonzales, Stefano Scialla
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Publication number: 20100069631Abstract: In an integrated process for urea and melamine production, urea is produced in a urea plant (10) comprising a high pressure urea synthesis section (11) from which an aqueous solution comprising urea, ammonium carbamate and ammonia is obtained and a urea recovery section (21) operating at low pressure, and melamine is produced in a melamine plant (40) wherein off-gases resulting as by-products of the melamine synthesis are discharged from said plant at a medium pressure and recycled to the high-pressure urea synthesis section (11).Type: ApplicationFiled: October 9, 2007Publication date: March 18, 2010Applicant: Urea Casale S.A.Inventors: Federico Zardi, Paolo Sticchi, Paolo Brunenbo