Sulphur Organic Compound Containing Patents (Class 252/406)
  • Patent number: 10731101
    Abstract: A lubricating oil composition which comprises a sulphur containing anti-oxidant and an alkene which exhibits improved nitrile elastomer seal compatibility.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: August 4, 2020
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Oliver J. Delamore, Nigel A. Male, Alastair A. Cant, Philip J. Woodward
  • Patent number: 10525793
    Abstract: A method and a system (20) for transmitting heat for a vehicle (10) are described. In this case, the waste heat which is contained in the exhaust gas (3) of the vehicle (10) is stored in a heat accumulator (1) of the vehicle (10). The thermal energy stored in the heat accumulator (1) is conducted to at least one heat sink (11-16). The heat accumulator (1) can be thermally coupled to the at least one heat sink (11-16) and uncoupled therefrom. In the coupled state the amount of heat per time unit that is conducted to the at least one heat sink is set.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: January 7, 2020
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Christoph Käppner, Jens Drückhammer
  • Patent number: 10294183
    Abstract: The compound according to the present invention is represented by a specific formula. The compound according to the present invention has a structure according to the specific formula, and therefore can be applied to a wet process and is excellent in heat resistance and etching resistance. In addition, the compound according to the present invention has such a specific structure, and therefore has a high heat resistance, a relatively high carbon concentration, a relatively low oxygen concentration and also a high solvent solubility. Therefore, the compound according to the present invention can be used to form an underlayer film whose degradation is suppressed at high-temperature baking and which is also excellent in etching resistance to oxygen plasma etching or the like. Furthermore, the compound is also excellent in adhesiveness with a resist layer and therefore can form an excellent resist pattern.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: May 21, 2019
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Takashi Makinoshima, Masatoshi Echigo
  • Patent number: 10125212
    Abstract: The present invention relates to a polyisocyanate composition comprising, on the basis of the total mass of the polyisocyanate composition, 97 weight % or more of a polyisocyanate, and 2.0 mass ppm or more and 1.0×104 mass ppm or less of a compound having at least one unsaturated bond in which the compound is a different compound from the polyisocyanate, or 5.0 mass ppm or more and 2.0×104 mass ppm or less of at least one inactive compound selected from the group consisting of a hydrocarbon compound, an ether compound, a sulfide compound, a halogenated hydrocarbon compound, a Si-containing hydrocarbon compound, a Si-containing ether compound, and a Si-containing sulfide compound.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: November 13, 2018
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Masaaki Shinohata, Nobuhisa Miyake
  • Patent number: 9587088
    Abstract: A stabilizer composition having low volatility and high efficiency comprising: (i.) 25.000% to 99.997% by weight of at least one dimethyltin compound of formula (CH3)2Sn(S(CH2)mCOOR1)2 wherein R1 is a linear, branched or cyclic C10-C20 alkyl group and m is 1 or 2, optionally containing unsaturations in the form of double or triple bonds; (ii.) 0.001% to 50.000% by weight of at least one mono-methyltin compound of formula CH3Sn(S(CH2)nCOOR2)3 wherein R2 is a linear, branched or cyclic C10-C20 alkyl group and n is 1 or 2, optionally containing unsaturations in the form of double or triple bonds; (iii.) 0.001% to 10.000% by weight of at least one tri-methyltin compound of formula (CH3)3Sn(S(CH2)pCOOR3) wherein R3 is a linear, branched or cyclic C10-C20 alkyl group and p is 1 or 2, optionally containing unsaturations in the form of double or triple bonds; and (iv.) 0.001% to 15.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: March 7, 2017
    Assignee: Galata Chemicals LLC
    Inventors: Peter Frenkel, Michael Denoux, Garrett Mineo, Joseph Anthony Di Maio
  • Publication number: 20150148462
    Abstract: Stabilized composition comprising: -at least one homopolymer or copolymer of ethylene; -at least one tocotrienol or at least a mixture of tocotrienol isomers.
    Type: Application
    Filed: July 24, 2013
    Publication date: May 28, 2015
    Applicant: Versalis S.P.A.
    Inventors: Francesco Masi, Cosimo Carfagna, Pierfrancesco Cerruti, Paola Persico
  • Publication number: 20150119513
    Abstract: The present invention provides a stabilizer composition comprising a monoester and diester of alkylmercapto carboxylic acid of bisphenol sulfide, which is capable of maintaining good ease of handling without causing precipitation of solids even in low temperature environments.
    Type: Application
    Filed: May 23, 2013
    Publication date: April 30, 2015
    Applicant: ADEKA CORPORATION
    Inventors: Naoshi Kawamoto, Yoshinori Negishi, Takashi Ayabe, Tsuyoshi Urushihara, Tomomasa Teduka, Shingo Yamada
  • Patent number: 8980134
    Abstract: Organic materials which possess outstanding stability to oxidative, thermal or light-induced degradation and/or are able to reduce the surface energy of organic materials comprise at least one compound of the formula (I) wherein the general symbols are as defined in claim 1.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: March 17, 2015
    Assignee: BASF SE
    Inventors: Michèle Gerster, Manuel Mihalic
  • Publication number: 20140329099
    Abstract: Methods of using inhibitor compounds are described. In particular, methods of using inhibitor compounds to inhibit the curing of a silicone composition that is a precursor of a silicone elastomer produced by a hydrosilylation reaction are described.
    Type: Application
    Filed: June 19, 2012
    Publication date: November 6, 2014
    Inventors: Sébastien Marrot, Yassine Maadadi
  • Publication number: 20140323562
    Abstract: The present application provides compound of Formula X wherein A is an optionally substituted aliphatic or an optionally substituted aryl, and B is a moiety that stabilizes the partial positive charge at the carbon adjacent the divalent sulfur. The compound of Formula X is useful as a reversible antioxidant in a variety of applications. Also provided are methods of synthesizing the compound of Formula X.
    Type: Application
    Filed: November 23, 2012
    Publication date: October 30, 2014
    Inventors: Philip Jessop, Paul David Thornton, Shannon Marie Decker, Derek Pratt, Feng Zheng, Donna Lynn Leger
  • Patent number: 8529793
    Abstract: The present invention provides a granular stabilizer for a polymer which is low-dusting and thus is easy to be handled. The present invention relates to a granular stabilizer for a polymer, comprising a compound shown by the formula (1): wherein R1s and R2s each independently represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a cycloalkyl group having 5 to 8 carbon atoms; R3s each independently represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms; and X represents a single bond, a sulfur atom, an oxygen atom, an alkylidene group having 1 to 8 carbon atoms or a cycloalkylidene group having 5 to 8 carbon atoms.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: September 10, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazuhiro Kitamura, Natsuko Sato, Kenji Kimura
  • Publication number: 20130228723
    Abstract: Catalyst deactivating agents and compositions containing catalyst deactivating agents are disclosed. These catalyst deactivating agents can be used in methods of controlling polymerization reactions, methods of terminating polymerization reactions, methods of operating polymerization reactors, and methods of transitioning between catalyst systems.
    Type: Application
    Filed: April 17, 2013
    Publication date: September 5, 2013
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Qing Yang, Max P. McDaniel, Tony R. Crain, Kathy S. Collins
  • Publication number: 20130062569
    Abstract: The invention provides a protein-free solution for cell cryopreservation, which comprises 1-23 w/v % of cell membrane protectant, 1.0-16 w/v % of permeable intracellular protectant, 3.0-28 w/v % of cell sedimentation stabilizer, and the balance of pH buffer solution. The cell cryopreservation solution of the invention consists of chemical substances only, without any protein content. The components are stable and controllable. The cell cryopreservation solution has long shelf life, high stability between different batches and good protection of cells, and has no effect on the characteristics, normal growth and differentiation of cells; besides, the recovery rate of the cells cryopreserved by the cell cryopreservation solution is high.
    Type: Application
    Filed: July 31, 2010
    Publication date: March 14, 2013
    Inventors: Xiaoying Mo, Dunwu Zheng, Baoli Wei, Jiahui Chen, Qingyan Luo
  • Publication number: 20120286212
    Abstract: The present invention provides a granular stabilizer for a polymer which is low-dusting and thus is easy to be handled. The present invention relates to a granular stabilizer for a polymer, comprising a compound shown by the formula (1): wherein R1s and R2s each independently represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a cycloalkyl group having 5 to 8 carbon atoms; R3s each independently represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms; and X represents a single bond, a sulfur atom, an oxygen atom, an alkylidene group having 1 to 8 carbon atoms or a cycloalkylidene group having 5 to 8 carbon atoms.
    Type: Application
    Filed: July 25, 2012
    Publication date: November 15, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuhiro KITAMURA, Natsuko SATO, Kenji KIMURA
  • Patent number: 8303851
    Abstract: Mixtures of additives in granular form comprising: one or more stabilizers for organic polymers; one or more organic or inorganic pigments; and/or one or more dyes; obtained by extrusion at a temperature capable of enabling the partial or total melting of the lowest-melting component. The above mixtures can be used in the stabilization and dyeing of organic polymers.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: November 6, 2012
    Assignee: Great Lakes Chemical (Europe) GmbH
    Inventors: Carlo Neri, Corrado Callierotti
  • Patent number: 8303850
    Abstract: A rust preventive oil composition includes at least one base oil selected from the group consisting of mineral oils and synthetic oils, having a 5%-distillation temperature of not less than 140° C. and not more than 250° C., a 95%-distillation temperature of 250° C. or less, a difference between the 5%-distillation temperature and the 95%-distillation temperature of 90° C. or less, an aromatic content of 5% by volume or less, a naphthene content of not less than 30% by volume and not more than 95% by volume, a density at 15° C. of 0.75 g/cm3 or more, and a kinematic viscosity at 40° C. of not less than 0.3 mm2/s and not more than 5.0 mm2/s; at least one base oil selected from the group consisting of mineral oils and synthetic oils; and a rust-preventing additive.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: November 6, 2012
    Assignee: JX Nippon Oil & Energy Corporation
    Inventors: Junichi Shibata, Tadaaki Motoyama, Kazuhiko Endou
  • Patent number: 8287765
    Abstract: Systems and compositions have a three component antioxidant blend for extending color and clarity of a thermoplastic polymer. The antioxidant blend includes a zinc dithiocarbamate, a phenolic and a thioether with a weight ratio range of about 1-2:1-2:1-2. A loading level of the antioxidant blend is from about 0.01 wt. % to about 1 wt. % of the systems and compositions.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: October 16, 2012
    Assignee: R.T. Vanderbilt Company, Inc.
    Inventor: John DeMassa
  • Patent number: 8246858
    Abstract: A process for inhibiting polymerization of an aromatic vinyl compound during the stage of producing, purifying, storing or transporting the aromatic vinyl compound which not only inhibits an initial polymerization but also inhibits polymerization efficiently over a long period of time and which is excellent in the handleability. The process involves the step of adding a nitrogenous aromatic compound in combination with a sulfonic acid compound to the aromatic vinyl compound during the production, purification, storage of transportation thereof.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: August 21, 2012
    Assignee: Hakuto Co., Ltd.
    Inventors: Junichi Nakajima, Seiji Tanizaki
  • Patent number: 8246859
    Abstract: The invention describes a process for reducing the surface energy of organic materials such as for example increasing the oil and water repellency and stain release of organic materials, which comprises treating the organic material with at least a compound of the formula I wherein the general symbols are as defined in claim 1; especially wherein at least one of the radicals R2, R3 or R4 is —CH(R11)—S(O)p—R12; R11 is hydrogen, C1-C8alkyl, unsubstituted or with C1-C4alkyl substituted phenyl; R12 is a monovalent perfluorinated alkyl or alkenyl, linear or branched organic radical having four to twenty fully fluorinated carbon atoms, and p is 0, 1 or 2.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: August 21, 2012
    Assignee: BASF SE
    Inventors: Michèle Gerster, Manuel Mihalic
  • Patent number: 8226819
    Abstract: An extraction aid has been found which provides for enhanced contaminate removal, such as metals and amines, from crude oils that uses components that are desirable in desalting processes as the components are water soluble, have low toxicity, are highly biodegradeable and exhibit high thermal stability. According to one embodiment of the invention, an extraction aid that provides enhanced extraction properties is comprised of a blend of acids, particularly water soluble acids. More specifically, a combination of two acids chosen from the group consisting of acetic acid, sulfuric acid, glycolic acid, citric acid and methanesulfonic acid.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: July 24, 2012
    Assignee: General Electric Company
    Inventors: Alan E. Goliaszewski, Cato R. McDaniel
  • Publication number: 20120108679
    Abstract: The present invention relates to a branched copolymer comprising a hydrophilic component obtainable by an addition polymerisation process and compositions and uses thereof said copolymer comprising: i) a residue of at least one monofunctional monomer comprising one polymerisable double bond per molecule and a molecular weight of less than 1000 Daltons; ii) a residue of at least one multifunctional monomer comprising at least two polymerisable double bonds per molecule and a molecular weight of less than 1000 Daltons; and wherein the end termini of the copolymer chains comprise one or more of a residue of a chain transfer agent; an initiator or a terminal group derived from a termination reaction; wherein; the molar ratio of the monofunctional monomer to multifunctional monomer is between 50:1 to 2.
    Type: Application
    Filed: February 9, 2010
    Publication date: May 3, 2012
    Applicant: UNILEVER PLC
    Inventors: Paul Hugh Findlay, Brodyck James Lachlan Royles, Neil John Simpson, Sharon Todd, Steven Paul Rannard, Jonathan Victor Mark Weaver, Roselyne Marie Andree Baudry
  • Publication number: 20120108678
    Abstract: The present invention relates to a branched copolymer obtainable by an addition polymerisation process and uses and compositions thereof comprising: i) a residue of at least one monofunctional monomer comprising one polymerisable double bond per molecule and a molecular weight of less than 1000 Daltons; ii) a residue of at least one multifunctional monomer comprising at least two polymerisable double bonds per molecule and a molecular weight of less than 1000 Daltons; and wherein the end termini of the copolymer chains comprise one or more of a residue of a chain transfer agent; an initiator or a terminal group derived from a termination reaction; wherein; the molar ratio of the monofunctional monomer to multifunctional monomer is between 50:1 to 2.
    Type: Application
    Filed: February 9, 2010
    Publication date: May 3, 2012
    Applicant: UNILEVER PLC
    Inventors: Paul Hugh Findlay, Brodyck James Lachlan Royles, Neil John Simpson, Sharon Todd, Steven Paul Rannard, Jonathan Victor Mark Weaver, Roselyne Marie Andree Baudry
  • Patent number: 8057707
    Abstract: The invention relates to a combination of compounds and a process using such combination useful for reducing or preventing coke formation in thermal cracking furnaces such as ethylene steam crackers. The combination is comprised of one or more compound of the formula R—Sx—R? and one or more compound selected from the following group: R1R2CS3; R1R2C?CR3R4; RSH; R1SxR2; R1R2CH2; R1R2R3R4(C4S); and R1R2R3R4R5R6Si2O.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: November 15, 2011
    Assignee: Arkems Inc.
    Inventors: Vijay R. Srinivas, Francis Humblot
  • Patent number: 7955522
    Abstract: An extraction aid has been found which provides for enhanced contaminate removal, such as metals and amines, from crude oils that uses components that are desirable in desalting processes as the components are water soluble, have low toxicity, are highly biodegradeable and exhibit high thermal stability. According to one embodiment of the invention, an extraction aid that provides enhanced extraction properties is comprised of a blend of acids, particularly water soluble acids. More specifically, a combination of two acids chosen from the group consisting of acetic acid, sulfuric acid, glycolic acid, citric acid and methanesulfonic acid.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: June 7, 2011
    Assignee: General Electric Company
    Inventors: Alan E. Goliaszewski, Cato R. McDaniel
  • Publication number: 20110101280
    Abstract: A rust preventive oil composition is provided, which includes: (A) a base oil that is at least one oil selected from a mineral oil and a synthetic oil; (B) 0.1 to 10% by mass of water based on a total mass of the composition; and (C) one or more specific rust preventive additives selected from the group consisting of a sarcosine-type compound, a nonionic surfactant, a sulfonate salt, an ester, an amine, a carboxylic acid, a fatty acid amine salt, a carboxylate salt, paraffin wax, a salt of oxidized wax, and a boron compound, wherein the rust preventive oil composition has a kinetic viscosity of 20 to 100 mm2/s at 40° C. The rust preventive oil composition can suppress rust development over a long period of time even when there remains a rust-causing agent, which adheres to the metal parts assembled by bare hands, such as steel sheets, bearings, steel balls, and guide rails.
    Type: Application
    Filed: May 21, 2009
    Publication date: May 5, 2011
    Inventors: Tadaaki Motoyama, Junichi Shibata, Yukio Matsuzaki
  • Patent number: 7824575
    Abstract: The present invention provides for liquid antioxidant mixtures of octylated/butylated diphenylamine, phenothiazine and octadecyl (3,5-di-tert-butyl-4-hydroxyphenyl)-propionate. The antioxidant mixtures are useful for polyurethane stabilization.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: November 2, 2010
    Assignee: Ciba Corporation
    Inventor: Walid Al-Akhdar
  • Patent number: 7820076
    Abstract: The invention relates to an oleaginous mildew and corrosion-inhibiting composition, and the use of said composition to protect metal from corrosion and mildew. The composition comprises, in parts by weight, from about 20 to 60 parts of an oleaginous material such as a lubricating oil, 10 to 40 parts of organic solvent, 20 to 60 parts of corrosion-inhibitor consisting of a sulfonic acid-carboxylic acid metal complex or a mixture of said metal complex with a small but effective amount of an oil soluble alkyl phosphate, from 0.1 to 2.0 parts of an oil soluble antioxidant, from 0.0 to 5.0 parts of a water-displacing compound, an effective amount of a mildew-inhibiting compound, and from 0.0 to 1.0 part of a heterocyclic metal deactivator.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: October 26, 2010
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: El Sayed S. Arafat, Craig A. Matzdorf, James A. Whitfield
  • Patent number: 7776233
    Abstract: The invention relates to an oleaginous corrosion-inhibiting composition, and the use of said composition to protect metal from corrosion. The composition comprises, in parts by weight, from about 20 to 60 parts of lubricating oil, 10 to 40 parts of organic solvent, 20 to 60 parts of corrosion-inhibitor consisting of a sulfonic acid-carboxylic acid metal complex or a mixture of said metal complex with a small but effective amount of an oil soluble alkyl phosphate, from 0.1 to 2.0 parts of an oil soluble antioxidant, from 0.1 to 5.0 parts of a water-displacing compound and from 0.0 to 1.0 part of a metal deactivator.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: August 17, 2010
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: El Sayed Arafat, Judy Butler-Kowalik, Kenneth Clark, David L. Gauntt
  • Publication number: 20100187481
    Abstract: The invention relates to the use of ionic liquids for improving the lubricating effect of synthetic, mineral and native oils. The invention relates in particular to an improved lubricating composition that is protected from thermal and oxidative attack.
    Type: Application
    Filed: May 20, 2008
    Publication date: July 29, 2010
    Inventors: Günther Bodesheim, Martin Scgnudt-Amelunxen, Dieter Sohn, Stefan Grundei, Andrea Höpke
  • Patent number: 7686980
    Abstract: Compositions for actively inhibiting corrosion are described herein that include at least one active corrosion inhibitor compound, and at least one conventional corrosion inhibitor compound. In addition, methods for producing a composition that actively reduces corrosion are described herein and include providing at least one active corrosion inhibitor, providing at least one conventional corrosion inhibitor compound or corrosion protection compound, and blending the at least one active corrosion inhibitor and the at least one conventional corrosion inhibitor compound or corrosion protection compound to form the composition. In addition, a composition for actively inhibiting corrosion is described herein that includes at least one active corrosion inhibitor compound, wherein the at least one active corrosion inhibitor compound comprises a derivative or salt of a thio-, thia- or dithiocarbarnic acid, or a combination thereof and at least one conventional corrosion inhibitor compound.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: March 30, 2010
    Assignee: Teledyne Scientific & Imaging, LLC
    Inventors: Martin Kendig, Melitta Hon, Les Warren
  • Publication number: 20090246158
    Abstract: The present invention relates to the use of compounds of the formula (I) where R stands for [lacuna] with radicals defined in the description, as antioxidants, to corresponding novel compounds and compositions, and to corresponding processes for the preparation of compounds and compositions.
    Type: Application
    Filed: April 5, 2007
    Publication date: October 1, 2009
    Inventors: Thomas Rudolph, Herwig Buchholz
  • Publication number: 20090238436
    Abstract: The invention provides a composition comprising a buffer and an aminoluciferase bioluminescent imaging reagent. More specifically, the invention relates to a formulation for use with an aminoluciferase bioluminescent imaging reagent. The invention also provides a method for evaluating the efficacy of an anti-apoptotic agent over multiple time points comprising the in vivo use of a composition comprising a buffer and an aminoluciferase bioluminescent imaging reagent.
    Type: Application
    Filed: March 19, 2009
    Publication date: September 24, 2009
    Applicant: ABBOTT LABORATORIES
    Inventors: Jonathan A. Hickson, Scott L. Ackler
  • Patent number: 7575695
    Abstract: An additives package for use in an MR fluid formulation is provided, as well as an MR fluid formulation containing the additives package. In one embodiment, the additives package comprises an organomolybdenum dithiocarbamate, an ashless dithiocarbamate, and a triazole compound, such as a tolutriazole compound. In another embodiment, the additives package may further include an aminic antioxidant, such as an alkylated diphenylamine. In another embodiment, the additives package is free of an organomolybdate ester. In another embodiment, the additives package consists of the organomolybdenum dithiocarbamate, the ashless dithiocarbamate, the triazole compound, and optionally the aminic antioxidant. In addition to the additives package, the magnetorheological fluid formulation comprises magnetizable particles, a carrier fluid, and a thickening agent.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: August 18, 2009
    Assignee: Delphi Technologies, Inc.
    Inventors: Robert T. Foister, Vardarajan R. Iyengar, Sally M. Yurgelevic
  • Patent number: 7531587
    Abstract: Stabilizer compositions are used to stabilize halogen-containing vinyl polymers from, for example, degradation and discoloration. The stabilizer compositions comprise a mercaptoester, a reverse mercaptoester, and a Lewis acid.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: May 12, 2009
    Assignee: Rohm and Haas Company
    Inventor: Gene Kelly Norris
  • Patent number: 7109261
    Abstract: Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan which include a free mercaptan. Other products of the degradation are believed to include carbocations of the blocking moiety which are stabilized by a molecular structure in which the electron deficiency is shared by several groups. The latent mercaptan may be the sole heat stabilizer additive but the free mercaptan released during processing may also synergize the activity of metal-based heat stabilizers such as metal salts and organometallic stabilizers such as organotin carboxylates and mercaptides in the polymer composition. The odor of primary mercaptan-containing heat stabilizers in halogenated polymer compositions is masked by a small amount of a latent mercaptan.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: September 19, 2006
    Assignee: Rohm and Haas Company
    Inventors: Tod C. Duvall, Paul B. Adams, Gene K. Norris
  • Patent number: 7105109
    Abstract: Compositions useful as heat stabilizers comprising at least one latent mercaptan-containing compound and at least one zinc compound are provided. Halogen-containing polymer compositions comprising such heat stabilizers are also provided.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: September 12, 2006
    Assignee: Rohm and Haas Company
    Inventors: Paul Brian Adams, Gene K. Norris, Tod C. Duvall
  • Patent number: 7087193
    Abstract: A stabilizer composition, for use in polyvinyl chloride formulations, that is a mixture of: at least one organotin sulfide; at least one organotin chloride; and at least one free mercaptan.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: August 8, 2006
    Assignee: Akzo Nobel N.V.
    Inventor: Henry J. Barda
  • Patent number: 7025904
    Abstract: Flexible and semi-rigid vinyl chloride resin compositions comprising a combination of a latent mercaptan and a zinc salt of oxidized polyethylene (a zinc ionomer) as a heat stabilizer are substantially free from the offensive odor typically associated with mercaptans and are protected during processing by the degradation products of the latent mercaptan and the zinc ionomer. The oxidized polyethylene is split out from the ionomer to act as an adhesion promoter for aqueous inks and paints, and the residual zinc carboxylate functions as a co-stabilizer with the latent mercaptan in the composition. The latent mercaptan is exemplified by a 2-S-(tetrahydropyranyl)thioalkanol, a carboxylic acid ester thereof, a 2-S-(tetrahydropyranyl)-thiocarboxylic acid, an ester thereof, and the furanyl homologs of each.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: April 11, 2006
    Assignee: Rohm and Haas Company
    Inventors: Tod C. Duvall, Jeffery L. Carpenter
  • Patent number: 6919392
    Abstract: The heat and light stability imparted to vinyl halide polymers by metal compounds conventionally employed for this purpose is considerably improved by the presence of a mercapto ester such as 2-mercaptoethyl stearate. The esters can replace a substantial portion of the metal compound with no significant reduction in stability.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: July 19, 2005
    Assignee: Arkema Inc.
    Inventors: Jean-Yves Chenard, Jean-Claude Mendelsohn
  • Patent number: 6897254
    Abstract: Halogen-containing polymer compositions containing a heat stabilizer comprising a latent mercaptan, a zinc salt, and a free mercaptan as a separate entity are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan. A free mercaptan is among those products. The separate free mercaptan (i.e., an alien free mercaptan) enhances the activity of the latent mercaptan in a synergistic manner.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: May 24, 2005
    Assignee: Rohm and Haas Company
    Inventors: Paul Brian Adams, Gene Kelly Norris
  • Patent number: 6878310
    Abstract: A stabilizer composition, suitable for use in polyvinyl chloride compositions, can be formed by reacting a mixture of monoalkyltin trichloride, such as butyltin trichloride, and dialkyltin dichloride, such as dibutyltin dichloride, with at least one carboxylic acid, such as 2-ethylhexanoic acid, and 2-mercaptoethanol, in the presence of base, followed by reaction of the resulting product with a sulfide reagent, such as sodium sulfide. The final composition comprises a complex mixture of alkyl tin carboxylates and/or mercaptides, and of monoalkyltin sulfides and dialkyltin sulfides.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: April 12, 2005
    Assignee: Akzo Nobel N.V.
    Inventor: Henry J. Barda
  • Patent number: 6770219
    Abstract: An antifoulant composition comprising (meth)acrylic acid and one or more (meth)acrylate or (meth)acrylamide antifoulant polymers and a method of preventing fouling in (meth)acrylic acid processes comprising adding the (meth)acrylate or (meth)acrylamide antifoulant polymers to the (meth)acrylic acid process stream.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: August 3, 2004
    Assignee: Nalco Energy Services
    Inventor: David Youdong Tong
  • Publication number: 20040142827
    Abstract: A lubricating oil comprising a major amount of at least one of Group II, III, and IV base oil and a minor amount of 2-(4-hydroxy-3,5-di-t-butyl benzyl thiol) acetate. A method of making this lubricating oil and a method of lubricating a natural gas engine with this lubricating oil.
    Type: Application
    Filed: November 29, 2001
    Publication date: July 22, 2004
    Inventors: John D. Palazzotto, Mark R. Logan
  • Patent number: 6761833
    Abstract: Vinyl monomers are stabilized by a composition which includes an alkyl hydroxyl amine and a sulfide compound or at least two alkyl hydroxyl amines and a phenolic compound.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: July 13, 2004
    Assignee: Atofina Chemicals, Inc.
    Inventors: Jianfeng Lou, Martin Nosowitz
  • Patent number: 6706214
    Abstract: A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an additive selected from the group consisting of phosphorus-containing compounds and sulfur-containing compounds and mixtures thereof. More preferably, the phosphorus-containing compound is a phosphonic acid and the sulfur-containing compound is a mercapto, thio, or thienyl containing compound or a mercapto functional silane. The composition and process are particularly useful in providing corrosion protection for aluminum and aluminum alloys.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: March 16, 2004
    Inventor: Gerald Wojcik
  • Patent number: 6592781
    Abstract: A novel composition of thiazolidines of the following formula and a method to prepare the same are disclosed. The method involves reacting a dihydrothiazole with a mixture comprising formic acid and an aldehyde. These new thiazolidines are useful as corrosion inhibitors.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: July 15, 2003
    Assignee: Baker Hughes Incorporated
    Inventors: Bernardus Antonius Maria Oude Alink, Benjamin T. Outlaw
  • Patent number: 6583091
    Abstract: The present invention relates to a method for inhibiting high temperature corrosion of corrosion prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of 4-sulfophthalic acid, typically up to 1000 wppm, to the metal surface.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: June 24, 2003
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Guido Sartori, David Craig Dalrymple, Saul Charles Blum, Liza Marie Monette, Mohsen S. Yeganeh, Andreas Vogel
  • Patent number: 6555023
    Abstract: A high voltage capable, insulating and resinous composition is disclosed. An epoxy-anhydride resin is prereacted with an antioxidant oligomer selected from the group consisting of organophosphorus compounds, sterically-hindered alkylated phenolics, alkyl and aryl thio-esters, alkyl and aryl thio-phosphites, thiazoles, lactones, hydroxylamines, and maleimides.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: April 29, 2003
    Assignee: Siemens Westinghouse Power Corporation
    Inventor: James D. B. Smith
  • Patent number: 6537466
    Abstract: Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan which include a free mercaptan. Other products of the degradation are believed to include carbocations of the blocking moiety which are stabilized by a molecular structure in which the electron deficiency is shared by several groups. The latent mercaptan may be the sole heat stabilizer additive but the free mercaptan released during processing may also synergize the activity of metal-based heat stabilizers such as metal salts and organometallic stabilizers such as organotin carboxylates and mercaptides in the polymer composition. The odor of primary mercaptan-containing heat stabilizers in halogenated polymer compositions is masked by a small amount of a latent mercaptan.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: March 25, 2003
    Assignee: Rohm and Haas Company
    Inventors: Tod C. Duvall, Paul B. Adams, Gene K. Norris
  • Patent number: 6537467
    Abstract: The present invention relates to free radical captors, especially to radical polymerization inhibitors or retarders which, characteristically, are immobilized on a solid support. The present invention also relates to a method of preparing said immobilized captors, and to a method of stabilizing, at least temporarily, molecules or mixtures of molecules which makes use of said immobilized captors.
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: March 25, 2003
    Assignee: Corning Incorporated
    Inventor: Marc Moroni