Organic Silicon Atom Compound Contains An Atom Other Than Oxygen, Hydrogen, Silicon, Or Carbon Patents (Class 521/111)
  • Patent number: 11104776
    Abstract: A liquid resin composition may include a base resin (A) in an amount of 100 parts by weight, a chemical foaming agent (B) in an amount of 2 parts by weight or more and 100 parts by weight or less, and water (C) in an amount of 1 part by weight or more and 30 parts by weight or less. The base resin may be a polymer that includes a hydrolyzable group bonded to a silicon atom, at least one reactive silicon group that is capable of being crosslinked by forming a siloxane bond, and a main chain that is constituted by an oxyalkylene-based monomer unit. The chemical foaming agent (B) may include a bicarbonate (B-1) and an acidic compound (B-2) having an acid dissociation constant pKa of 3.0 or less.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: August 31, 2021
    Assignee: KANEKA CORPORATION
    Inventor: Hiroshi Kamiyama
  • Patent number: 10975211
    Abstract: Disclosed is a composition and process for making a water blown semi-rigid polyurethane foam wherein the polyisocyanate side and the polyol side are combined under ambient temperature conditions. Said foams are particularly suited for sound and vibration management, especially in motor vehicles.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: April 13, 2021
    Assignee: Dow Global Technologies LLC
    Inventor: Ali J. El-Khatib
  • Patent number: 10464056
    Abstract: The present technology provides a foam-forming composition comprising at least one polyol, at least one isocyanate, at least one copper catalyst composition, and at least one surfactant. The copper catalyst composition may comprise a copper (II) compound dissolved in a solvent. In one embodiment, the copper catalyst composition comprises (Cu(II)(acac)2) dissolved in DMSO.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: November 5, 2019
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventor: Jason Stengel
  • Patent number: 10011698
    Abstract: Various uses of fluoroalkenes, including tetrafluoropropenes, particularly HFO-1234ze, in a variety of applications, including as blowing agents are disclosed.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: July 3, 2018
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: James M. Bowman, David J. Williams
  • Patent number: 9428617
    Abstract: An ?,?-functionalized polyoxyalkylene-siloxane polymer having the general structural Formula (I): provides improved hydrophilicity and hemocompatibility. The ?,?-functionalized polyoxyalkylene-siloxane polymer may be used to make various polycarbonate/?,?-functionalized polyoxyalkylene-siloxane copolymers and polymer blends, as well as articles including such copolymers and blends.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: August 30, 2016
    Assignee: Momentive Performance Material Inc.
    Inventors: Anuj Mittal, Laxmi Samantara, Samim Alam, Anubhav Saxena, Indumathi Ramakrishnan, Roy U. Rojas-Wahl
  • Patent number: 9416214
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth mono- or dithiocarbamate or mono- or dithiocarbonate salt.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: August 16, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Richard J. Keaton, Peter M. Margl, Rajat Duggal, Scott D. Boelter, Duane R. Romer, Nathan Wilmot
  • Patent number: 9403963
    Abstract: The invention relates to particle-comprising polyether alcohols which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol, wherein the polymerization is carried out in the presence of at least one compound (A) comprising a polysiloxane chain to which at least one polyether chain comprising at least one reactive hydrogen atom and a polyether chain comprising at least one olefinic double bond are bonded.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: August 2, 2016
    Assignee: BASF SE
    Inventors: Andreas Emge, Daniel Freidank, Dejan Petrovic, Marta Reinoso Garcia, Stefan Winnig, Markus Schütte
  • Patent number: 9328210
    Abstract: The present invention relates to an additive composition useful as additive for controlling the foam properties of polyurethane foams which is characterized in that it contains at least one ionic surfactant A selected from those of formula A?M+ where A?= anion selected from the group comprising alkyl and aryl sulphates, polyether sulphates and sulphonates, sulphonates, alkyl and aryl sulphonates, alkyl and aryl carboxylates, saccharinates and polyether phosphates, and M+= cation, and/or at least one anionic surfactant B selected from a quaternized ammonium compound, and at least one tertiary amine compound C, which has a molar mass of at least 150 g/mol, and/or at least one oxazasilinane D, a process for production of polyurethane foam by using this additive composition and also correspondingly produced polyurethane foams and use thereof.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: May 3, 2016
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Annegret Terheiden, Roland Hubel, Michael Ferenz
  • Patent number: 9150764
    Abstract: Single component compositions for making a moisture-cured polyurethane foam are disclosed. Foam produced from the compositions of the present invention produce very low foaming pressure due to their 60-95 percent open-cell content. After these compositions are applied and cure, they form a permanent seal around the perimeter of installed fenestration products.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: October 6, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Robert G. Braun, Jess M. Garcia, Deborah A. Schutter
  • Patent number: 8906974
    Abstract: A method for producing polyurethane foams by reacting at least one organic isocyanate moiety, at least one polyol, a blowing agent consisting of halogen-containing (fluorine-containing) olefins and at least a siloxane of Formula I b, c and d are defined herein, as well as compositions made by said method are described.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: December 9, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Martin Glos, Carsten Schiller, Christian Eilbracht
  • Patent number: 8901186
    Abstract: Process for producing silica-comprising dispersions comprising a polyetherol or a polyether amine, which comprises the steps of (i) admixing an aqueous silica sol (K) having an average particle diameter of from 1 to 150 nm and a silica content, calculated as SiO2, of from 1 to 60% by weight and a pH of from 1 to 6 with at least one polyetherol (b1) and/or polyether amine (b2) based on ethylene oxide and/or propylene oxide and having an average OH or amine functionality of from 2 to 6 and a number average molecular weight of from 62 to 6000 g/mol, (ii) distilling off at least part of the water, (iii) admixing the dispersion with at least one compound (S) having at least one at least monoalkoxylated silyl group and at least one alkyl, cycloalkyl or aryl substituent, where this substituent may have groups which are reactive toward an alcohol, an amine or an isocyanate in an amount of from 0.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: December 2, 2014
    Assignee: BASF SE
    Inventors: Berend Eling, Zeljko Tomovic, Stefan Auffarth
  • Patent number: 8796345
    Abstract: A method to form a urethane material, the method comprises blending and reacting at least one isocyanate, at least one isocyanate reactive compound and a metallized polyhedral oligomeric silsesquioxane to provide said urethane material, the metallized polyhedral oligomeric silsesquioxane is a dimeric structure with general formula wherein M represents a metal providing a 6-coordinated metal center, x and y being 1, R1O and R2O represent an alkoxide bridging the 6-coordinated metal centers, R3OH and R4OH represent an alcohol ligand and each of R5, to R18 is selected from the group consisting of alkyl-, polyether- and polyester ligands.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: August 5, 2014
    Assignee: Huntsman International LLC
    Inventors: Rene Alexander Klein, Christina Marinus, Chris Ian Lindsay, Hendrikus Abbenhuis, Jos Wilting, Gijsbert Gerritsen
  • Patent number: 8748501
    Abstract: A polyurethane foam composition that includes polyol, isocyanate, a catalyst, a surfactant, a physical blowing agent, a chemical blowing agent, a nucleating agent and a silsesquioxane compound is provided.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: June 10, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Woo Hwang, Myung-Dong Cho, Sang-Ho Park
  • Patent number: 8735458
    Abstract: Aqueous cold-cure flexible foam stabilizer including the following components: a) from ?0.1 to ?80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ?300 g/mol to ?10 000 g/mol, b) ?2% by weight of water, c) ?0.1% by weight of surfactant, d) from ?0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ?0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: May 27, 2014
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Martin Glos, William Bunting, Harald Modro, Mladen Vidakovic
  • Publication number: 20140093721
    Abstract: The invention relates to high-temperature-resistant foams having low thermal conductivity, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.
    Type: Application
    Filed: April 27, 2012
    Publication date: April 3, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Dirk Wegener, Stephen Reiter, Harald Rasselnberg, Marcel Schornstein, Hans-Detlef Arntz, Dirk Brüning
  • Publication number: 20130190414
    Abstract: The present invention relates to an additive composition useful as additive for controlling the foam properties of polyurethane foams which is characterized in that it contains at least one ionic surfactant A selected from those of formula A?M+ where A?=anion selected from the group comprising alkyl and aryl sulphates, polyether sulphates and sulphonates, sulphonates, alkyl and aryl sulphonates, alkyl and aryl carboxylates, saccharinates and polyether phosphates, and M+=cation, and/or at least one anionic surfactant B selected from a quaternized ammonium compound, and at least one tertiary amine compound C, which has a molar mass of at least 150 g/mol, and/or at least one oxazasilinane D, a process for production of polyurethane foam by using this additive composition and also correspondingly produced polyurethane foams and use thereof.
    Type: Application
    Filed: July 26, 2012
    Publication date: July 25, 2013
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Annegret Terheiden, Roland Hubel, Michael Ferenz
  • Patent number: 8415403
    Abstract: The invention relates to a process for manufacturing porous materials, which comprises the following steps: preparation of a solution of at least one structuring agent, having at least two structuring parts linked by at least one type of reversible non-covalent interaction; formation of the structured or porous material; separation of the at least two parts of the structuring agent at low temperature; and recovery of at least 50% by weight of the two non-degraded structuring parts and the porous material.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: April 9, 2013
    Assignees: Total Raffinage Marketing, Centre National de la Recherche Scientifique
    Inventors: Niki Baccile, Martin In, Corine In-Gerardin, Francis Luck, Julien Reboul, Sander Van Donk
  • Patent number: 8399532
    Abstract: Embodiments of the disclosure include aromatic polyol compositions, resin blend compositions, and spray foam compositions.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: March 19, 2013
    Assignee: Invista North America S.A R.L.
    Inventor: David K. Mulkey
  • Patent number: 8303843
    Abstract: The present invention relates to aqueous cold-cure flexible foam stabilizer formulations for use in the production of highly elastic cold-cure polyurethane foams or for use in the production of cold-cure flexible foam activator blends for highly elastic cold-cure polyurethane foams, wherein the aqueous cold-cure flexible foam stabilizer formulation comprises the following components a) from ?0.1 to ?80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ?300 g/mol to ?10 000 g/mol, b) ?2% by weight of water, c) ?0.1% by weight of surfactant, d) from ?0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ?0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: November 6, 2012
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Martin Glos, William Bunting, Harald Modro, Mladen Vidakovic
  • Publication number: 20120264840
    Abstract: A method to form a urethane material, the method comprises blending and reacting at least one isocyanate, at least one isocyanate reactive compound and a metallized polyhedral oligomeric silsesquioxane to provide said urethane material, the metallized polyhedral oligomeric silsesquioxane is a dimeric structure with general formula wherein M represents a metal providing a 6-coordinated metal center, x and y being 1, R1O and R2O represent an alkoxide bridging the 6-coordinated metal centers, R3OH and R4OH represent an alcohol ligand and each of R5, to R18 is selected from the group consisting of alkyl-, polyether- and polyester ligands.
    Type: Application
    Filed: December 8, 2010
    Publication date: October 18, 2012
    Applicant: Huntsman International LLC
    Inventors: Rene Alexander Klein, Christina Marinus, Chris Ian Lindsay, Hendrikus Abbenhuis, Jos Wilting, Gijsbert Gerritsen
  • Patent number: 8258196
    Abstract: To provide a method for producing a rigid polyurethane foam, whereby it is possible to reduce the density without causing deterioration in dimensional stability, and a rigid polyurethane foam. A method for producing a rigid polyurethane foam, which comprises a step of reacting a polyol having a hydroxyl value of from 200 to 800 mgKOH/g with a polyisocyanate compound in the presence of an amino-modified silicone, a catalyst, a blowing agent and a surfactant.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: September 4, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Katsuhiko Shimizu, Teruhiko Yasuda, Hiroshi Wada
  • Publication number: 20120201806
    Abstract: Disclosed are compositions-of-matter composed of a continuous elastomeric matrix and a liquid; the matrix entrapping the liquid therein in the form of closed-cell droplets dispersed throughout the matrix. The disclosed compositions-of-matter are characterized by a low tensile/compressive modulus and are capable of retaining the liquid for exceedingly long periods of time. Further disclosed are processes for forming the compositions-of-matter and uses thereof.
    Type: Application
    Filed: February 9, 2012
    Publication date: August 9, 2012
    Applicant: Technion Research & Development Foundation Ltd.
    Inventors: Michael S. Silverstein, Inna Gurevitch
  • Patent number: 8063113
    Abstract: The present invention relates to polyurethane foam-forming composition containing polysilsesquioxanes that provide high resilience flexible polyurethane molded foams having improved foam dimensional stability.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: November 22, 2011
    Assignee: Momentive Performance Materials Inc.
    Inventors: Bright Dai, Lijun Feng, Paul Austin
  • Patent number: 7825166
    Abstract: To provide a flexible polyurethane foam having good vibration characteristics and suitable particularly for a seat for an automobile. A flexible polyurethane foam obtained by reacting a high molecular weight polyoxyalkylene polyol or a polymer-dispersed polyol containing fine polymer particles in the high molecular weight polyoxyalkylene polyol, with a polyisocyanate compound, in the presence of a catalyst, a blowing agent and a foam stabilizer, characterized in that an amino-modified silicone (F) having a silicon atom and a nitrogen atom in its molecule is used in an amount of from 0.00001 to 1 part by mass per 100 parts by mass of all active hydrogen compounds.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: November 2, 2010
    Assignee: Asahi Glass Company, Limited
    Inventors: Takayuki Sasaki, Takashi Ito, Yoshinori Toyota, Naohiro Kumagai
  • Patent number: 7482391
    Abstract: Room-temperature vulcanized (RTV) foaming compositions are disclosed. The compositions include at least one enoxysilyl functional group and/or at least one alkoxysilyl functional group, at least one amine catalyst, and at least one silicon hydride functional group. Also disclosed are methods of preparing such compositions and methods of using such compositions, methods for making a gasket, and articles of manufacture.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: January 27, 2009
    Assignee: Henkel Corporation
    Inventors: Robert Cross, Lester D. Bennington, Bahram Issari, John Kerr
  • Patent number: 7393879
    Abstract: A method for producing a novel silicone foam by reaction of a polyisocyanate with a silicone oligomer having a plurality of functional end groups with active hydrogens, optionally in the presence of fire-retardants, under foam forming conditions which creates a new silicone foam for use in items such as residential upholstered furniture industry, seat cushions and bedding etc., and specifically for use in applications that require, high resilience and fire-retardant properties such as aircraft and surface transportation seat cushioning, military and shipboard mattresses etc.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: July 1, 2008
    Assignee: Chestnut Ridge Foam, Inc.
    Inventors: Jiri E. Kresta, David Munoz Rojas, Ramon Moliner, Chandrasiri Jayakody, Dan Myers
  • Patent number: 6818674
    Abstract: There are disclosed an elastic member which comprises (A) polyurethane foam obtained by agitationally mixing a foaming agent, a foam stabiizer and a urethane prepolymer synthesized from a polyol and a polyisocyanate in the presence of a modified silicone, or (B) polyurethane foam obtained by agitationally mixing a polyol, a polyisocyanate, a modified silicone oil bearing a functional group reactive with a polyisocyanate, a foaming agent and a foam stabiizer comprising a polyether modified silicone containing 50 to 100% by weight of a polyoxyethylene unit in the polyether moiety; image formation equipment equipped with the above elastic member; and a toner supply roller which is composed of a foamed elastic member mounted on a developing apparatus and which has a compression spring constant in the range of 0.25 to 5.0 N/mm and a surface friction resistance in the range of 0.4 to 1.2 N.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: November 16, 2004
    Assignee: Bridgestone Corporation
    Inventors: Junji Sakata, Hirotaka Yamazaki
  • Patent number: 6660780
    Abstract: A method of making a molecularly imprinted porous structure makes use of a surfactant analog of the molecule to be imprinted that has the imprint molecule portion serving as the surfactant headgroup. The surfactant analog is allowed to self-assemble in a mixture to create at least one supramolecular structure having exposed imprint groups. The imprinted porous structure is formed by adding reactive monomers to the mixture and allowing the monomers to polymerize, with the supramolecular structure serving as a template. The resulting solid structure has a shape that is complementary to the shape of the supramolecular structure and has cavities that are the mirror image of the imprint group. Similarly, molecularly imprinted particles may be made by using the surfactant to create a water-in-oil microemulsion wherein the imprint groups are exposed to the water phase.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: December 9, 2003
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Michael A. Markowitz, Paul E. Schoen, Bruce P. Gaber, Banahalli R. Ratna, Paul R. Kust, David C. Turner, Douglas S. Clark, Jonathan S. Dordick
  • Patent number: 6653359
    Abstract: Silicone surfactants for use in inert gas blown polyurethane foams comprise low to moderate molecular weight comb-type flame-retardant silicone copolymers possessing no high ethylene oxide content branches. The silicone surfactants yield Dissolved Gas Technology foams having improved consistency as compared to other surfactant compositions.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: November 25, 2003
    Inventors: Brian L. Hilker, Lee F. Lawler, Susan B. McVey
  • Patent number: 6583191
    Abstract: A method of making a molecularly imprinted porous structure makes use of a surfactant analog of the molecule to be imprinted that has the imprint molecule portion serving as the surfactant headgroup. The surfactant analog is allowed to self-assemble in a mixture to create at least one supramolecular structure having exposed imprint groups. The imprinted porous structure is formed by adding reactive monomers to the mixture and allowing the monomers to polymerize, with the supramolecular structure serving as a template. The resulting solid structure has a shape that is complementary to the shape of the supramolecular structure and has cavities that are the mirror image of the imprint group. Similarly, molecularly imprinted particles may be made by using the surfactant to create a water-in-oil microemulsion wherein the imprint groups are exposed to the water phase.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: June 24, 2003
    Inventors: Michael A. Markowitz, Paul E. Schoen, Bruce P. Gaber, Banahalli R. Ratna, Paul R. Kust, David C. Turner, Douglas S. Clark, Jonathan S. Dordick
  • Patent number: 6541534
    Abstract: Polyurethane foams containing a syntactic phase and a cellular, non-syntactic phase are useful as reinforcing foams, such as in automotive applications. The foams are conveniently made in the reaction of a high viscosity isocyanate-reactive component and a high-viscosity polyisocyanate component, at least one of which contains a plurality of hollow microspheres.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: April 1, 2003
    Assignee: Essex Specialty Products, Inc.
    Inventors: Mark P. Allen, Roney J. Matijega
  • Patent number: 6518324
    Abstract: Polymer foams containing nanoclay are provided, the foams having improved properties such as thermal insulation values.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: February 11, 2003
    Assignee: Atofina Chemicals, Inc.
    Inventors: Jiri E. Kresta, Jinhuang Wu, Richard M. Crooker
  • Patent number: 6506810
    Abstract: The invention relates to the use of mixtures of organofunctionally modified polysiloxanes with branched alcohols in the production of flexible polyurethane foams.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: January 14, 2003
    Assignee: Goldschmidt AG
    Inventors: Rob Borgogelli, Oliver Eyrisch
  • Publication number: 20020169227
    Abstract: Polyurethane foams containing a syntactic phase and a cellular, non-syntactic phase are useful as reinforcing foams, such as in automotive applications. The foams are conveniently made in the reaction of a high viscosity isocyanate-reactive component and a high-viscosity polyisocyanate component, at least one of which contains a plurality of hollow microspheres.
    Type: Application
    Filed: May 9, 2002
    Publication date: November 14, 2002
    Inventors: Mark P. Allen, Roney J. Matijega
  • Publication number: 20020132867
    Abstract: The invention relates to the use of mixtures of organofunctionally modified polysiloxanes with branched alcohols in the production of flexible polyurethane foams.
    Type: Application
    Filed: November 26, 2001
    Publication date: September 19, 2002
    Inventors: Rob Borgogelli, Oliver Eyrisch
  • Patent number: 6423755
    Abstract: Polyurethane foams containing a syntactic phase and a cellular, non-syntactic phase are useful as reinforcing foams, such as in automotive applications. The foams are conveniently made in the reaction of a high viscosity isocyanate-reactive component and a high-viscosity polyisocyanate component, at least one of which contains a plurality of hollow microspheres.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: July 23, 2002
    Assignee: Essex Specialty Products, Inc
    Inventors: Mark P. Allen, Roney J. Matijega
  • Publication number: 20020065334
    Abstract: A method of making a molecularly imprinted porous structure makes use of a surfactant analog of the molecule to be imprinted that has the imprint molecule portion serving as the surfactant headgroup. The surfactant analog is allowed to self-assemble in a mixture to create at least one supramolecular structure having exposed imprint groups. The imprinted porous structure is formed by adding reactive monomers to the mixture and allowing the monomers to polymerize, with the supramolecular structure serving as a template. The resulting solid structure has a shape that is complementary to the shape of the supramolecular structure and has cavities that are the mirror image of the imprint group. Similarly, molecularly imprinted particles may be made by using the surfactant to create a water-in-oil microemulsion wherein the imprint groups are exposed to the water phase.
    Type: Application
    Filed: September 19, 2001
    Publication date: May 30, 2002
    Inventors: Michael A. Markowitz, Paul E. Schoen, Bruce P. Gaber, Banahalli R. Ratna, Paul R. Kust, David C. Turner, Douglas S. Clark, Jonathan S. Dordick
  • Patent number: 6310110
    Abstract: A method of making a molecularly imprinted porous structure makes use of a surfactant analog of the molecule to be imprinted that has the imprint molecule portion serving as the surfactant headgroup. The surfactant analog is allowed to self-assemble in a mixture to create at least one supramolecular structure having exposed imprint groups. The imprinted porous structure is formed by adding reactive monomers to the mixture and allowing the monomers to polymerize, with the supramolecular structure serving as a template. The resulting solid structure has a shape that is complementary to the shape of the supramolecular structure and has cavities that are the mirror image of the imprint group. Similarly, molecularly imprinted particles may be made by using the surfactant to create a water-in-oil microemulsion wherein the imprint groups are exposed to the water phase.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: October 30, 2001
    Inventors: Michael A. Markowitz, Paul E. Schoen, Bruce P. Gaber, Banahalli R. Ratna, Paul R. Kust, David C. Turner, Douglas S. Clark, Jonathan S. Dordick
  • Patent number: 6031012
    Abstract: Provided is a curable composition comprising (A) a phenolic compound having a carbon-carbon double bond, (B) a compound having an SiH group, and (C) a foaming agent. The composition can be foamed and cured at room temperature or under heat at relatively low temperatures, and is poorly corrodable and poorly toxic.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: February 29, 2000
    Assignee: Kaneka Corporation
    Inventors: Naoaki Nakanishi, Koji Himeno, Shintaro Komitsu
  • Patent number: 5789454
    Abstract: Disclosed is a method of using inert gas as an auxiliary blowing agent in the production of flexible polyurethane foams, in the presence of a blend of a silicone surfactant stabilizer and a second silicone compound. The disclosed method provides better stabilization of the foams made by such processes. Also disclosed are foam formulations containing such blends.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: August 4, 1998
    Assignee: OSi Specialties, Inc.
    Inventor: Susan B. McVey
  • Patent number: 5650449
    Abstract: This invention may be described as follows. (1) A defoaming agent for the production of highly elastic soft and semi-rigid polyurethane foam, having as a main component thereof an organio silicone compound represented by the following formula (I) ##STR1## wherein each R.sup.1 is a monovalent hydrocarbon group of one to eighteen (18) carbon atoms, R.sup.2 is a monovalent hydrocarbon group of one to eighteen (18) carbon atoms or an organic substituent, and x and y are each not less than 1, providing x+y equals a number between 3 to 8. A method for the production of a highly elastic soft and semirigid polyurethane foam with said defoaming agent per formula (1) and a highly elastic soft polyurethane foam and a semirigid polyurethane foam produced by this method are also taught.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: July 22, 1997
    Inventors: Torahiko Mukuno, Yoshio Ofuji, Masao Takase
  • Patent number: 5312845
    Abstract: In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane or polyurethaneurea elastomer by reaction injection molding, the improvement which comprises a mold release composition consisting essentially of (1) the reaction product of a mixture of a carboxylic acid, a tertiary amine, and a reactive epoxide and (2) a carboxy functional siloxane.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: May 17, 1994
    Assignee: Air Products and Chemicals, Inc.
    Inventor: John E. Dewhurst
  • Patent number: 5308880
    Abstract: An active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane, polyurethaneurea and/or polyurea elastomer by reaction injection molding, which B-side composition comprises an acidic mold release composition, diethyltoluenediamine chain extender and, as a catalyst, a diorganotin dicarboxylate in which the carboxylate contains at least one alpha halogen atom.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: May 3, 1994
    Assignee: Air Products and Chemicals, Inc.
    Inventors: John E. Dewhurst, James D. Nichols, Ann C. L. Savoca
  • Patent number: 5236961
    Abstract: The invention pertains to a water blown integral skin polyurethane foam having a skin with good abrasion resistance. The foam is manufactured by employing as a polyol composition a polyol having a functionality of from 1.75 to 2.65 and a molecular weight of from 1500 to 5000 along with a surfactant and water as a blowing agent. The particular surfactant is a particular siloxane or an ethylene oxide adduct of octylphenol.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: August 17, 1993
    Assignee: BASF Corporation
    Inventors: David J. Ho, David B. McCulloch
  • Patent number: 5216041
    Abstract: The invention relates to energy absorbing, water blown, rigid polyurethane foams. The foams of the present invention are low density, predominantly open-celled foams which exhibit a relatively constant consistency of compressive strength over deflection. Such foams are suitable as light weight alternatives in traditional energy absorbing applications.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: June 1, 1993
    Assignee: BASF Corporation
    Inventors: Richard C. Rossio, Mark A. Easterle, Michael L. Jackson
  • Patent number: 5192812
    Abstract: Compositions including silicone surfactants of the type used in manufacturing urethane foams and certain siloxane-oxyalkylene copolymers which act as cell openers when employed in combination with silicone surfactants in urethane foam manufacture are disclosed and claimed, as are urethane foam compositions including such cell operers, a method of preparing urethane foams using such cell operers, and urethane foams prepared by the method.
    Type: Grant
    Filed: February 12, 1991
    Date of Patent: March 9, 1993
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: David D. Farris, James D. Reedy, Raymond L. Cobb
  • Patent number: 5187204
    Abstract: The invention relates to water blown, low density, energy absorbing rigid polyurethane foam articles which exhibit minimal springback or hysteresis characteristics. The articles produced from the foams of the present invention maintain a constant crush strength of material up to about 70% deflection and are useful in appropriate automotive applications such as side impact bolsters.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: February 16, 1993
    Assignee: BASF Corporation
    Inventors: Michael L. Jackson, Mark A. Easterle
  • Patent number: 5182034
    Abstract: Internal mold release compositions for use in preparing molded polymeric products are disclosed which contain (a) a primary or secondary amine, (b) a carboxylic acid or amido carboxylic acid salt of a group II metal or of aluminum, lithium, copper, iron, cobalt or nickel, and optionally (c) a carboxylic acid or amido carboxylic acid.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: January 26, 1993
    Assignee: The Dow Chemical Company
    Inventors: Louis W. Meyer, J. Alan Vanderhider, Robert Carswell
  • Patent number: 5177116
    Abstract: The invention pertains to drip retardant flexible polyurethane foams prepared by the reaction of an isocyanate with a polyol resin containing a drip retardant made of either a trialkyl end-capped amine functional silicone polymer or a trialkly end-capped carbinol functional silicone polymer to effectively prevent the foam from dripping while burning and encourage char formation.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: January 5, 1993
    Assignee: BASF Corporation
    Inventors: Manfred Genz, Andreas Rothacker
  • Patent number: 5169872
    Abstract: What is disclosed is a process for obtaining polyurethane foams having enhanced benefits. The invention disclosed herein provides a system flowability of the reacting foam mixture to give foams with an insulating capablity equal to the foams that are provided by chlorofluorocarbon blown system, while doing away with the chlorofluorocarbons.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: December 8, 1992
    Assignee: Dow Corning Corporation
    Inventors: Lenin J. Petroff, James D. Thornsberry